*SHOW. Cactaceae, Items. October 2021. 
 
*ITEM DESCRIPTIONS 
 
# Acanthocalycium <Backeb.>/
2<\i{}Lobivia\i0{}, cf. Hunt, 1967> 3<\i{}Spinicalycium\i0{} Fric (nom.
inval.)> 8,2 9,1 13,1 14,2-3/5 16,1 23,1 26,1 38,2 40,1 41,16-20 42,2
43<acute> 45<fairly>,1-2 49,1 50,2 51,1 52,1 55,2 56,1 57<1-2 cm. apart,
usually yellowish brown,>,1 64,1 65,3 66,7-20 67,1.5-2 68,1/2<the
centrals shorter in \i{}A. ferarii\i0{}> 69,1-4 71,6-9 73,2 75,1-2
76,2<acicular or awl-like> 78,3 84,2 87,2 88<more or less>,1 90,2/3 92,1
93,3 94,3-5.5 96,1 99,1 100,2 101,1 106,2 107,1 108,1 109<woolly,>,2
114,2&7 117,2 118,2 119,1 135<about>,10 136,1 138<with persistent
scales,>,2 142<hard,>,2 144,1 145,1/2 147<with a small sunken
hilum,>,2-3 149,2 155,2 160,1 162,3 168<Argentina> 169,3 172,3 173,4
175,9 178<accalyci> 
 
# Acanthocereus <(Engelm. ex A. Berger) Britton & Rose>/
1<Triangle cactus, Sword cactus> 3<\i{}Dendrocereus\i0{} Britton & Rose,
\i{}Monvillea\i0{} Britton & Rose (p.p.)> 8,1 9,2 13,1 14,6 18<clambering,
trailing or>,3/1 20<many>,1 23,2/1<often, at least at first>/3 24,2/3
25,1<\i{}Dendrocereus\i0{}>/2 31,1/2 33,5<or ribbed, 3-4 sided>/2 38,1/2
40,1<or angled> 41,3-5(-7) 42<more or less>,2<sometimes wavy> 43<thin or
rarely flattened> 44,1 45,1-2<i.e., with conspicuously notched ribs>
49,1 50,2<sometimes wavy> 51,1<i.e., in the notches> 52,1<2-6 cm apart>
55,2<along the ribs> 56,1 57,1 64,1<usually>/2<sometimes, \i{}A.
subinermis\i0{}> 65<when present,>,3 66,(2-)6-10(-15) 67,0.5-7 68,1<with
1-2(-4) centrals longer>/2 69,1-2/4 71,1-8 78,3 84,1 87,1 88,2 89,1 90,2
92,1 93,4 94,12-25 96,1 99,1 100,2 101,1 102,1 103<subtending
conspicuous areoles with short spines> 104<stout, elongate, rather
rigid, bearing small scales> 106,2 107,1 109,2 110,1 113<members
numerous> 114,1&2 115,1 116,2<widely> 117,1 118,2 120<numerous>
121,2<inserted in the tube and throat> 123,1 136,1/3/5 137,2/6 138,1/2
139,1/3 142,1<with red pulp> 144,1/2 155,2 162,3 168<tropical America
and Cuba, with \i{}A. pentagonus\i0{} constituting an introduced weed
elsewhere> 169,2&3&4 172<about>,6 173,4 175,7 176<cf. Hunt, 1967>
178<acanthoc> 
 
# Acharagma <(N. P. Taylor) Glass>/
2<\i{}Escobaria\i0{}> 8,2 9,1 10,1<\i{}A. roseana\i0{}>/3<\i{}A.
aguirreana\i0{}> 13,1 14,2-5 23,1 26,1<usually>/2 27,0.04-0.06 38,2 40,1
41<numerous> 42,1 43<largely comprising tubercles> 44,2 45<very>,1
46<fleshy, 3-5 mm long> 49,1 50,1 51,1 54,1<\i{}A. roseana\i0{}>/2
55<born on the tubercle tips,>,1 56,1 57,1 64,1 65<numerous>,3 66,15-40
67,0.8-2 68,1<somewhat>/2 69,2-6(-12) 71<sometimes in two series,>,13-30
75,1-2 78,3 87,1/2 88,1 92,1 93,2-3 94,1.5-2 96,1 99,1 104<short>
114<not ciliate,>,3/4/7<or reddish yellow> 117<fairly>,2 118,4
135<about>,8-12 136,4 137,2/9 155,2 162,3 168<Mexico> 169,2 172,3 173,4
175,2 178<acharagm> 
 
# Ariocarpus <Scheidw.>/
1<Living rock> 3<\i{}Anhalonium\i0{} Lem., \i{}Neogomesia\i0{}
Castaeda,\i{} Neogomezia\i0{} Buxb. (orth. var.),\i{} Roseocactus\i0{}
A. Berger, \i{}Stromatocactus\i0{} Karw. ex Rmpler (nom. inval.)>
8<small, tap-rooted, more or less>,2/- 9,1 10,2 11,1 13,2 14<in outline
more or less depressed>,1/- 18,2 20,2 26,1/2<i.e., sometimes clump
forming> 38,2 40,2 45<very>,1 46<large, triangular, sometimes leaflike>
47,3 49,2 50<rosetted,>,1 51,1 55,1 56,2 57,1/3<comprising woolly
grooves on the upper surfaces of the tubercles, or round pads near their
tips, and absent from some of them> 64<at least when mature,
usually>,2/1<occasionally, in \i{}A. agavoides\i0{}> 67<when present,
small> 78,3 84,2<lasting more than one day> 87,1 88,1<borne at the
woolly bases of young tubercles> 89,1 90,2 92,1 93,3 94,1.5-5<and in
diameter> 96,1 99,1/2<?> 100,1 114,2/4/7/8 116,2 117,2 118,1/4
120<numerous> 121,2<inserted in the tube and throat> 123,1 128,1
135,0.8-2.5 136<sub->,1/4 137<where recorded,>,5<or pinkish or purplish
when immature>/- 138,1 142,1-2<fleshy at first> 144,2<disintegrating>
147,3 149,4 155,2 160,2 162,3 168<northern Mexico, western Texas>
169,1&2 172,6 173,4 175,2 176<cf. Hunt, 1967> 178<ariocarp> 
 
# Armatocereus <Backeb.>/
6,1 8,1 13,1/2<rarely> 14,6 20,1 23,1 24,2-3 26<commonly>,2
27,(2-)4-10(-12) 28,1 32,5 33,2/2&5 38,1 39,1<more or less> 40,1<or
winged> 41,3-16 42,2 43<strongly developed sometimes as wings> 44,1 45,2
51,2 52,2-1 55,2<along the ribs> 56,1 57<large,>,1 64,1<usually, these
stout>/2 65<when present,>,3 66,5-30 67,0.4-10(-12) 68<variously>,1/2
69<when detectable,>,1-8 71,6-25 78,3 84,1 88,2 90<narrowly>,2/1 92,1
93,3-4 94,4-10 96,1 99,1 100,2 101,2 102,1/2 103<with numerous densely
felted and often spiny areoles> 104<bearing fewer of the densely felted
and often spiny areoles than the pericarpel> 107,2 110,1/2 111,1
114,1/6<rarely> 116<short, more or less>,1-2 117,2 121,2<inserted in the
throat and upper part of the tube> 123,1 135,(2-)4-15 136,1-2 137,2/6
138,1-2 139,1/3<then the spines deciduous> 140,1 142,1 144<with white,
fleshy pulp,>,2 147<"large", with basal hilum,>,3 149<sub->,5 155,2
157,2 160,5&6 162,3 168<Ecuador, Peru> 169,3 172<about,>,11 173,4 175,1
176<cf. Hunt, 1967> 178<armatoce> 
 
# Arrojadoa <Britton & Rose>/
2<\i{}Cephalocereus\i0{}, cf. Hunt (1967)> 3<\i{}Pierrebraunia\i0{}
Esteves> 8,1<sometimes tuberous-rooted> 9,2 13,1 14,5-6 17,1
18,1/3/4<occasionally> 20<little>,1<basally>/2 23,2/1 24<low,>,2
27,1.1-2 32,5 33<slender,>,2<mostly>/4 38,1/2 40,1 41,7-17 42,2 43<low>
44,1 45,2 51,2 52,2-1 55,2<along the ribs> 56,1 57<close-set,>,1 58,1
61,1<at first>/2<later> 64,1 65<small,>,3 66,7-26 67,0.4-3 68,1/2
69<when detectable,>,1-8 71,6-23 78,3 84,2 85,3 87<often>,2/1-2 88,1
89,1 90,1 92,1 93,3-4 94,3-4.5 96,1 99,1 100,1 113<barely expanding>
114<variously>,2/4/6/7/8/9 115,2 117,2 118,1 123<and style>,1 135,1-3
136,1/2/3/5 137<rose>,10/7/6 138,1 139,3 140,2 142<berry-like,
smooth,>,1<with white pulp> 144,2 146<to>,1.5 147,3 149,2-4 155,2 157,2
160,2 162,3 168<eastern Brazil> 169,3 172,4 173,4 175,4 178<arrojado> 
 
# Arthrocereus <A. Berger>/
6,1 8<dwarf>,1<often with a thick woody root> 9,2 13,1 14<slender>,6
15,1.5-6 18,1/3 20,1/2 23,2-1 24,2 33<ellipsoid or>,2 36<low> 38,1 40,1
41,10-18 42,2 44,1-2 45,2 51,2 55,2<along the ribs> 56,1 57<small,>,1
64,1 65<many,>,3 66,20-50 67,0.5-7 68,1/2 69<when detectable,>,1-2/6-8
71,18-50 73<awl-shaped, stout or thin> 78,3 84,1 87,1 88,1-2<mostly on
the sides of the terminal segments> 89,1 90<very elongate>,1 92,1 93,4
94,6-8 96,1 99,1 103<bearing a few acute scales and areoles sparsely to
densely woolly with hairlike spines> 104<with wool, hairlike spines and
a few pointed scales> 106,2 107,1 110,1 114<pale>,7/2 116<elongate,
widely>,2 117,1-2 118,2-3 120<numerous> 121,2<variously inserted in the
throat and tube> 123,1 124<sometimes>,1<with the uppermost displaced and
forming a separate ring>/2 135,2-3 136,1/4<"inverted pear-shaped"> 137,2
138,2 139,1<with hairlike spines>/3 140,1 142<globose to obovoid or
clavate, with persistent floral remains, with scales and hairlike
spines, somewhat>,1 144,2 147,3 149,3 150,1/2<?> 155,2 159,2 160,5<with
low warts and wavy depressions>/- 162,3 168<western and southeastern
Brazil> 169,3 172,5 173,4 175,9 176<cf. Hunt, 1967> 178<arthroce> 
 
# Astrophytum <Lem.>/
3<\i{}Astrophyton\i0{} Lawr. (orth. var.), \i{}Maierocactus\i0{}
E.C.Rost> 8,2 9,1 13,1/2 14,1<or flattened>/2 20<basally>,1/2/3 23,1
26<usually>,1 27,0.02-1 38,2 40<4-10>,1<and furrowed> 42<and furrows>,2
45,2<the 4-8 ribs prominent or broad, flat, more or less floccose> 51,2
55,2<along the ribs> 56,1 57<close-set on the ribs,>,1 61,1
64<variable,>,1/2 66,6-11 67,3-7 68,1/2 69<when detectable, in \i{}A.
ornatum\i0{},>,1 71<in A. ornatum,>,5-10 73,1/2 76,1/2<acicular or
papery> 78,3 84,2 88,1<from nascent areoles> 89,1 90<shortly>,2<with
spreading petals>/6/3 92,1 93,3-4 94,6-8 96,1 99,1 106,2 107,1<these
narrow, pointed, imbricate, scarious> 109,2<finely long-woolly> 110,2
112,3/4 114,4/4&6<then reddish in the throat> 116,2 117<fairly>,2 118,1
120<numerous, inserted in the tube> 123,1 136,1 138,2<with dry scales
and dense hair> 139,3 140,1 142<slightly>,1 144<irregularly>,1-2
146<to>,2.5 147,2-3 149<somewhat cap-shaped with an inrolled edge around
the hilum> 155,2 159,1 160<more or less>,10 162,3 169,1&2 172,4-6 173,4
175,2 176<cf. Hunt, 1967> 178<astrophy> 
 
# Austrocactus <Britton & Rose>/
6,1 8,1-2<soft-fleshy> 9,1/2 13,1 14<low, slender,>,5-6
20<basally>,1/2/3 23,2/1 26,1/2 27,0.03-0.06 38,2 40<prominently low->,1
41,6-12 42,2 45,1 49,1 50,2<along the ribs> 51,1 55,2<along the ribs>
56,1 57,1 61,1 62,2 64,1 65,3 66,6-19 67,0.5-6 68,1<radial spines
acicular, the centrals often hooked> 69,1-4 71,6-15 74<usually>,1
75,1/2/3 78,3 84,2 88,1/2 89,1 90<shortly>,1/3/4 92,1 93,3-4 94,3.5-6
96,1 99,1 104<short, bearing small scales and areoles with wool and
hairs or bristly spines> 106,2 107,1 110,1/2 114<pinkish>,4/- 117,2
118,1<or retuse>/4 121,2<inserted in the throat and tube> 124,1<in two
series, the lower ones forming rings around the styles> 128,4
135<to>,5<in the only species recorded ...> 136,1/3 137,2<-ish>
138,2<with wool and bristles> 139,3 140,1 142,2 144<dry, irregularly or
basally>,1 146,2-2.5 147,2-3 149<broadly oval> 155,2 157,2 160,6 162,3
168<western and southen Argentina, central and southern Chile,
Patagonia> 169,3 172,5 173,4 175,6 176<cf. Hunt, 1967> 178<austroca> 
 
# Austrocylindropuntia <Backeb.>/
2<\i{}Opuntia\i0{}, cf. Hunt(1967)> 8,3<mostly>/2 9,2 10,1/3
13,1<usually>/2 20,1 23,2/1 24,1<from tuberous roots, usually, loosely
branched or forming dense cushions>/2 27,0.5-5 28,- 32,5 33<thick or
thin,>,2/4 38,1/2 40,2 45,1<as represented by swellings and grooving of
the stems> 49,2 50,1 51,1 54<and hairs>,1<in \i{}A. floccosa\i0{}>/2
55,1 56,1 57,1 60,1 63,1 64,1 65,1/2/3 66<1-25> 67,1-8 68<mostly>,2 72,2
73<variable in size and stiffness> 78,1<fairly so, more or less
persistent> 79,1-2<but to more than 4 mm long> 80,2<though subsequently
drying off> 81,2 84,1 88<ostensibly>,2/1<or not truly terminal?> 89,1
91<opening widely or not> 92,1 93,3-4 94,2.5-7(-8) 96,1 99,1-3<?>
113<segments short> 114,4/5/6/7 117,2 118,1/4 123,1 134,1 135,1.5-10
136,3 138,1/2 139,1/1&2/3 142<thick walled,>,1 144,2 146,3.5-7 147<with
smooth to slightly rugose funicular envelopes and a rudimentary
funicular girdle> 148<fairly>,1<the funicular envelopes finely so>
149,1/2/4<sometimes laterally ridged> 153,2 155,1 162<fleshy,>,1
168<Argentina, Bolivia, Ecuador, Peru> 169,3 172<about>,20 173,2 174,1
178<austcyli> 
 
# Aztekium <Boed.>/
6,1 8,2 9,1 13,1-2<the spines ephemeral> 14<more or less>,2/4-5<the apex
woolly> 16<somewhat>,1 17,1<at least, the apex woolly> 18,5<growing on
steep limestone and gypsum cliffs> 23,1 26,1/2 27,0.08-0.12<to 10 cm in
diameter> 38,2 40<deeply grooved, conspicuously 6-15>,1<often with
smaller riblets between> 42,2 45,2 51,2 55,2<along the ribs> 56,1
57<numerous and close-set,>,1 58,1<being woolly> 64<at first>,1 65,1/2/3
66,1-3 68,2 75<twisted,>,1/2/- 78,3 84,2 88,1 89,1 90<widely>,3/4 92,1
93,2-3 94<0.7-3 cm in diameter> 96,1 99,1 106<slender,>,1 114,2&5/6<or
magenta> 117,2 118<slightly>,4/1 136<slightly>,3/1 138,1 142,2 144<dry
when mature,>,2 146<to>,1 147,2-3 155,2 156,1 159,1 160,2 162,3
168<Mexico> 169,3 172,2 173,4 175,2 176<cf. Hunt, 1967> 178<aztekium> 
 
# Bergerocactus <Britton & Rose>/
1<Snake cactus, Golden Cereus, etc.> 2<\i{}Echinocereus\i0{}, cf. Hunt
(1967)> 3<\i{}Bergerocereus\i0{} Fric & Kreuz. (orth. var.)>
8<slender>,1 13,1 14,6 20<freely>,1<near ground level> 23<more or
less>,1<or ascending> 24,2 26,2<low and spreading, freely suckering,
forming colonies> 27,0.6<remaining under 1m> 28,1-2 31,2 33,2 34,20-60
35,3-6 38,2 40<inconspicuously low->,1 41,20-25 42,2 45<more or
less>,1-2<the ribs somewhat warty, the areoles less than 1 cm apart>
49,1 50,2 51,1 54,1 55,2<along the ribs> 56,1 57,1 64,1 65,3 66,10-50
67,1-5 68,1<the centrals longer and thicker than the radials, the main
one bent backwards> 69,1-4 71,9-46 73,1 75,1 76<acicular,>,2 77<golden-
or yellowish-brown> 78,3 84,2 88,1 89,1 90,5<to fully expanded> 92,1
93,2-3 94,3-5.5 96,1 99<shortly but>,1 103<felted and spiny like the
tube> 106,2 107,1<these minute> 109,2 110<with axillary felt
and>,1<these abundant> 111,1 114,4 115,1 117,2 135,2.5-6 136,1 138,2
139<very>,1 142,2 149,4<obovoid> 152,1-2 155,2 162,3 168<California,
Mexico> 169,1&2 172,1<\i{}B. emoryi\i0{}> 173,4 175,7 178<bergeroc> 
 
# Blossfeldia <Werderm.>/
6,1 8,2<the smallest of all cacti> 9,1 12,1 13,2 14<with tuberous
rootstock, tiny>,1 18,5<growing in crevices and surviving desiccation>
26<to about 12 mm in diameter,>,1/2 38,2 40,2 45,2 51,2 55,1 56,1 57,1
61,1 64,2 78,3 84,2 88,1 89,1 92,1 93<very>,2 94,0.6-1.5<0.5-0.7 in
diameter> 96,1 99,1-2 103<scaly and woolly like the tube> 106,2
107,1<these small> 109,2<woolly> 110,2 114,7<-ish, rarely>/2 135<small>
136,1 137,6 138,2<with wool and scales persisting> 139,3 140,1 142,1
144,2<deliquescent> 147<very small, arillate,>,2 155,2 157,2 160,3 162,3
168<Argentina, Bolivia> 169,3 172,1<\i{}B. liliputana\i0{}> 173,4 175,6
176<cf. Hunt 1967> 178<blosfeld> 
 
# Brachycereus <Britton & Rose>/
6,1 8,1 9,2 13<densely>,1 14,6 20<basally much>,1 23,1 24<more or
less>,2/- 26<densely>,2 27,0.4-0.6<the clusters to 2 m wide> 28,- 32,5
33,2 38,2 40<low 16-22>,1 42,2 45,2 51,2 55,2<closely set along the
ribs> 56,1 57,1 61,1<cushioned> 64,1 65,3 66,35-45<"about 40">
67,0.5-3(-5) 68<radiating,>,2 73,1-2 75,1 77<yellowish, darkening with
maturity> 78,3 84,2 88,2 89,2 90<narrowly>,2/1 92,1 93,4 94,6-11 96,1
99,1 103<scaly and spiny like the tube> 106,2 107,1<these small>
109,2<subtending numerous large areoles> 110,1 111,1 114,2-3 115,1
121,2<inserted in the throat> 135,1.5-3.5 136<sub->,1 138,2
139<densely>,1<the spines yellow> 140,1 142,1 144,2 146,1-1.5
147<small,>,2-3 149<rounded-ellipsoidal or obovate> 155,2 160,10 162,3
168<Galapagos Is.> 169,3 172,1<\i{}B. nesioticus\i0{}> 173,4 175,9
176<cf. Hunt, 1967> 178<brachyce> 
 
# Brasilicereus <Backeb.>/
2<\i{}Monvillea\i0{}, cf. Hunt(1967)> 8,1 9,2 13,1 14,6 20<mostly>,2
23<leaning to more or less>,1/- 24,2 27,1-4 33,2 38,2 40,1 41,8-13 42,2
43<flattened or narrow> 45,2 51,2 55,2<along the ribs> 56,1 57,1
61<grey- to white->,1 64,1 65,3 66,10-22 67,0.6-4 68,1<the centrals
longer> 69,1-4 71,10-18 73,1 75,1 76,2<acicular> 78,3 84,1 88,2 89,1
90<conspicuously curved, shortly>,2-3 92,1 93,3-4 94,5-6.5
96<conspicuously curved,>,2<the tubes bent upwards and the mature
anthers lying abaxially on the perianth> 99,1 103<like the tube, with
fleshy scales and naked areoles> 104<bearing conspicuous, fleshy scales
and naked areoles> 106,2 107,1<these fleshy> 109,1 110,2 114,2/1-2
115,1-2 116,2<widely so> 117,2 118,1-2 120<numerous> 121,2 124,1<with a
circle in the throat> 135<to>,1.5 136,2/5 137,2/7 144,2 155,2 157,2
162,3 168<eastern Brazil> 169,3 172,2 173,4 175,4 178<brasilic> 
 
# Brasiliopuntia <(K. Schum.) A. Berger>/
2<Opuntia, cf. Hunt (1967)> 8,3 9,2 13,1 20,1<the branches more or less
whorled> 21,1 22,2 23,1 24,3 25,1 26,1 27,15-24 30,1<the intermediate
segments cylindrical, the ultimate ones irregular in outline, rhomboid
to ovate distally to a narrow base, producing thin, deciduous leaflike
cladodes> 31,1 32,5<comprising the cylindrical trunk> 33,1<thin> 35,35
37,2 38,1 40,2 45<fairly>,1-2 49,2 50,1/4<?> 51,1/2 55,3&4 56,1 57,1
63,1 64,1/2 65<when present,>,1-2/3 66,1-3 67<to>,1.5 68,2 78,2 79,1-2
84,2 88,2 89,1 92,1 93,3-4 94<to>,6 99,1/2/3<?> 100,2 101,1 102,1/2
106,2 107,1 110,1/2<i.e., the tube and pericarpel bearing leaflike
scales, and areoles with glochids and sometimes spines? - cf.
\i{}Opuntia\i0{}> 119,1<these hair-like> 120<numerous> 121,2 123,1<?>
134,1 135,3-4<or in diameter> 136<variously shaped> 137,3/4/6/7
138,2<areolate> 139,2<the areoles bearing dark brown clusters of these>
144,2 146,6.5 147<1-5 per fruit, with a prominent funicular girdle>
148,1<the funicular envelope woolly> 152,1<disklike> 154,1-2<reduced>
155,1 162<fleshy,>,1 168<Brazil, Paraguay, Peru, Bolivia, Argentina>
169,3 172<about>,4 173,2 174,3 178<brasilio> 
 
# Browningia <Crdenas>/
3<\i{}Azureocereus\i0{} Akers & Johnson, \i{}Castellanosia\i0{}
Cardenas, \i{}Gymnocereus\i0{} Rauh & Backeb.> 8,1 9,2 13,1<sometimes on
the main stems only> 20,1 23,1 24,3 25,1<often>/2 26,1 27,10 28,1/2
30,1-2 31,1 32,5 33,2 38,2 40<usually many->,1 42,2 45,2 51,2
55<large,>,2<along the ribs> 57,1 58,1<the vegetative ones heavily
spined, the reproductive ones less so or spineless> 64<(at least
some)>,1 65<when present,>,3 66,5-50 67,0.5-8 68,1/2 69,0-6 70,1/2
71,0-16 78,3 84,1 88,2 89,1 90,1-2 92,1 93,4 94,8-12 96,1 99,1
103<ornamented like the tube> 106,2 107,1<these broad, acute> 109,1
110,2 114,2/6/7/8<white to purplish red> 115,1 116<rather short,>,2
121,2<inserted in the throat and tube> 135<where recorded,>,2-7
136<where described,>,1-2 137,2/3 138,2<covered with deciduous scales>
144,2<?> 147<"diverse"!> 155,2 157,2 162,3 168<Bolivia, Peru, Chile>
169,3 172<about>,11 173,4 175,1 176<cf. Hunt, 1967> 178<browning> 
 
# Calymmanthium <F. Ritter>/
3<\i{}Diploperianthium\i0{} F. Ritter (nom. inval.)> 8,1 9,2 13,1 14,6
20<densely>,1<forming numerous ascending branches> 23,1 24,2/3 27,8 32,5
33,2&5 34,100 38,1 39,1 40<thinly 3-4>,1<or winged> 42,2 45<more or
less>,1<the ribs conspicuously notched> 49,1 50,2 51,1 55,2<in the
notches> 56,1 57,1<3-6 mm in diameter> 64,1 65,3
67,1-5<centrals>/0.5-1<radials> 68,1 69<strong,>,1-6 71<more or less
erect,>,3-8 73,1 75,1 76,2<acicular> 78,3 84,1 88,2 89,2 90<narrow,>,1-2
92,1 93,4 94,9.5-11 96,1 99,1 103<ornamented like the tube> 106,2
107,1<these small> 109,2<with felted areoles and spines> 110,1<these
bristly> 111,2 113<segments numerous> 114,2&11<the inner members white,
the outer members reddish brown> 116,2<over the tubes, at maturity>
120<very numerous> 121,2<inserted in the throat and tube, the lowermost
on a slight ridge partially covering the deep nectar chamber> 124,-
136,2-3<ovoid-cylindric, somewhat 4-angled> 137<light>,2 138,2<with
scattered areoles> 142,1 144,2 147<few, obovate with basal
hilum,>,3<-ish> 155,2 160,5 162,3 168<northern Peru> 169,3 172,1<\i{}C.
substerile\i0{}> 173,4 175,3 176<cf. Hunt, 1967> 178<calymant> 
 
# Carnegiea <Britton & Rose>/
1<Giant Saguaro> 8,1 9,2 13,1 14,6 20,1 23,1 24<large,>,3 27,16 28,1
32,5 33,2 38,2 40<12-30>,1 42,2 45,2 55<very numerous and closely spaced
along the ribs,>,2 56,1 57,1<the flowering ones more or less continuous
and densely felted with clustered spines, the non-flowering ones with a
single, longer central spine> 58,1 64,1 65<densely>,3 66,15-30
67,2.5-3.8 68<at least in the non-flowering areoles>,1 73,1
75<diverging,>,1 76,2 77<grey to blackish> 78,3 84,1&2 85,2&3&4
86,2<e.g., bees> 88<more or less>,1-2<arising near the stem tips> 89,2
90,1-2 92,1 93,4 94,8.2-12.5 96,1 99,1 103<pericarpel covered with
distinct scales and felted areoles> 106,2 107,1 109,2<felted> 110,2
111,2<see illustration> 114,2 115,1 116<short, widely>,2 120<very
numerous, estimated by Bessey (1914) at almost 3,500 in a single flower>
121,2<inserted in the throat and tube> 135,5-7.5 136,2 137,6 142<at
maturity>,1<edible> 144,1 145,2<along 3-4 lines> 146,2 147<with truncate
hilum, shiny>,3 149,4<obovoid> 155,2 162,3 168<Arizona and southern
California south into Mexico> 169,1&2 172,1<\i{}C. gigantea\i0{}> 173,4
175,7 176<cf. Hunt, 1967> 178<carnegia> 
 
# Cephalocereus <Pfeiff.>/
1<Old man cactus> 3<\i{}Haseltonia\i0{} Backeb., \i{}Neodawsonia\i0{}
Backeb., \i{}Pilocereus\i0{} Lem.> 8,1 9,2 13<densely>,1<often so as to
obscure the stem tips> 14,6 17,1-2 20,1/2 23,1 24,2/3 27,10-12 28,1
32,5<to 40 cm in diameter> 33,2<light green, greying with age> 38,1/2
40,1 41,20-30<or more> 42,2 45,2 51,2 52,2/3<in the cephalia> 53,2/3
54,1-2 55,2<along the ribs> 56,1 57<more or less>,1<when not
confluent>/- 58,1<the flowering ones in the cephalia without spines>
64,1<the sterile ones>/2 65<of the non-flowering areoles>,3 66,10-35
67,0.5-12 68,1<the centrals yellowish to grey, to 8 cm long, the more
numerous, bristle- or hairlike radials longer or shorter, white, usually
densely covering the stem> 69,1-6 71,9-20(-30) 78,3 84,1 88,1/2 89,1
90<unarmed,>,1-2 92,1 93,3-4 94,3.5-8 96,1 99<shortly but>,1 103<often
naked below the tube> 106,2 107,1<these small> 109,2<small, short-haired
and woolly, often nectariferous> 110,2 114,2/4/6-7<commonly rose> 115,1
120<numerous> 121,2<inserted in the tube and throat> 124<with the
lowermost arising from a receptacular rim more or less covering the
nectar chamber> 135,2.5-3<where recorded> 136,2 138,2<with small scales
and wool> 140,1 147<numerous,>,3 149,4 155,2 159,1 160,10 162,3
168<southern Mexico> 169,2 172,4 173,4 175,7 176<cf. Hunt, 1967>
178<cephaloc> 
 
# Cephalocleistocactus <F. Ritter>/
2<\i{}Cleistocactus\i0{} Lem.> 8,1 9,2 13,1 14,6 15,3-5 17,1 18,1/2/3/5
20<basally>,1 23,1/2<sometimes bending over> 24,2 27,5 32,5
33<slender,>,2 38,2 40,1 41,11-14 42,2 43<to 5 mm high> 44,1 45,1-2
46<represented by V-shaped transverse furrows> 49,1 50,2 51,1-2
52<fairly>,2 55,2 56,1 57,1 58,1<being woollier in the cephalia> 64,1
65,3 66,16-24 67,0.4-3 68,1<0.7-3 cm long, the radials shorter>
69,4-7<"about 6"> 71,12-18<"about 15"> 75,1 78,3 84,2 85,3<pollinated by
Hummingbirds> 88,1&2 89,1 90,1 92,1 93,3-4 94<to>,5 96,1 99,1 103<with
narrow overlapping scales subtending wool or hairs> 106,2 107,1
109,2<subtending wool or hairs> 110,2 114,4 115,2 116,1<unexpanded, the
imbricate segments not spreading apically> 119,2 121,2<inserted in the
throat and tube> 123<and style>,2 124,U 135<to>,2<to 3 cm in diameter>
137<reddish> 142,1 146<small> 147,3 149,2/4<?> 155,2 159,1 162,3
168<Bolivia> 169,3 172,1<\i{}C. chrysocephalus\i0{}> 173,4 175,9 176<cf.
Anderson, 2001> 178<cephclei> 
 
# Cereus <Mill.>/
1<Sweet potato cactus> 3<\i{}Mirabella\i0{} F. Ritter,\i{}
Monvillea\i0{} Britton & Rose,\i{}
Piptanthocereus\i0{} (A. Berger) Riccob., \i{}Subpilocereus\i0{}
Backeb.,> 8,1 9,2 13,1<usually>/2 14,6 20,1 23,2<rarely>/2-1/1 24,2/3
25,1<often>/2 27,(0.4-)1-15 28,1/2 30,1-2 31,1<often>/2 32,5 33,2/5
38,1/2 40<strongly>,1<or angled> 41,3-14 42,2 44,1 45<usually more or
less>,1/1-2/2 49,1 50,2 51,1/2<e.g., the ribs sometimes merely wavy
marginally - e.g., \i{}C. jamacaru\i0{}> 52,2-1 55,2 56,1 57,1
58,1<\i{}C. mortensenii\i0{}>/2 60<usually>,2/- 61<usually>,1
64,1<often>/2 65,3 66,1-15 67,0.2-20 68,1<often, the radials often
shorter>/2 69<when manifest,>,1-5<sometimes absent> 71,3-12 78,3
84,1/1&2 87,1 88,2 89,1 90<usually very elongate->,1 92,1 93,1-4 94,3-30
96,1 99,1 104<and pericarpels elongate, thick> 106,1/2 107,1<a few,
scattered>/2 110,2 113<segments elongate> 114<usually>,1&2<the outermost
segments green>/2&6<rarely> 115,1 117,1-2 118,1/2/3 120<numerous>
121,2<inserted in the tube and throat> 135,3-13 136,1/2-3
137,6<usually>/3<sometimes> 138,1 140,1 141,1 142,1 144,1 145,1<along
one side> 147<large, curved-ovoid,>,3 150,1 155,2 157,2 159,1
160<unevenly>,5 162,3 168<eastern South America, Caribbean> 169,3&4
172<about>,35 173,4 175,4 176<cf. Hunt, 1967> 178<cereus> 
 
# Cintia <Knize & Rha>/
2<\i{}Copiapoa\i0{}> 8,2<with a long, tuberous taproot> 9,1 10,2 13,2
14<green,>,2-4 20,2 23,1 26,1 27,0.3-1<3-5 cm in diameter> 38,2
40<somewhat>,1<being grooved between the rows of tubercles>/-
41<about>,8 42<more or less>,2 44,2 45<very>,1 46<prominent,
hemispherical on the upper parts of the plant> 49<more or less>,1 50,2
51<sunken between the tubercles> 52,1 55,2<more or less>/- 56,1 57,1
58,2 61,1 64,2 78,3 84,2 87,1 88,1 89,1 90,5 92,1 93,3 94,3-4<and in
diameter> 96,1 114,4 117<fairly>,2 118,1 120<numerous> 138,1 142<spindle
shaped> 146,1.2-1.5<about 0.7 mm wide> 147<about 0.7 mm wide and almost
twice as long, slightly convex,>,3 155,2 157,2 162,3 168<high Andes,
Bolivia> 169,3 172,1<\i{}C. knizei\i0{}> 173,4 175,6 176<poorly
described> 178<cintia> 
 
# Cipocereus <F. Ritter>/
2<(e.g.) \i{}Pilosocereus\i0{}> 3<\i{}Floribunda\i0{} F. Ritter> 8,1 9,2
13,1<usually>/2 14,6 20<some much>,1 23,1 24,2 26,2 27,3.5 28,1 31,2
32<woody,>,5 33,2 38,1/2 40,1 41,4-21 42,2<thickened around the areoles>
44,1-2 45<more or less>,1<the ribs often thickened under the areoles, or
transversely furrowed between them>/2 49,1 50,2 51,1-2 52,2/1 55,2 56,1
57,1<round, white or brown> 58,1-2<sometimes with more wool> 64,1<few to
many>/2 65<when present,>,1-3 66,2-25 67,0.3-3.5 68,1<the radials
shorter> 69,1-9 70,1/2 71,3-16 75,1 78,3 84,1/1&2<i.e., sometimes
remaining open> 88,2 89,1 90,1 92,1 93,3/4 94,1.6-7.5 96,1 99,1
104<ribbed, with thick blue wax> 106,2 107,1<these small, widely spaced>
109,1/2<then subtending a litle wool> 110,2 112,2 113<members short>
114,4 117<short,>,2 135,1.6-5.5 136,1-2 137<glaucous>,7-8/11 140,1 142,1
143,1 144,2 155,2 157,2 162,3 168<Brazil> 169,3 172,5 173,4 175,4
178<cipocere> 
 
# Cleistocactus <Lem.>/
3<\i{}Akersia\i0{} Buining, \i{}Bolivicereus\i0{} Crdenas,
\i{}Borzicactella\i0{} H.Johnson ex F. Ritter, \i{}Borzicactus\i0{}
Riccob, \i{}Borzicereus\i0{} Fric & Kreuz. (orth. var.),
\i{}Cleistocereus\i0{} Fric & Kreuz. (orth. var.),
\i{}Clistanthocereus\i0{} Backeb., \i{}Demnosa\i0{} Fric,
\i{}Gymnanthocereus\i0{} Backeb., \i{}Hildewintera\i0{} F. Ritter,
\i{}Loxanthocereus\i0{} Backeb., Maritimocereus Akers,
\i{}Pseudoechinocereus\i0{} Buining (nom. inval.), \i{}Seticereus\i0{}
Backeb., \i{}Seticleistocactus\i0{} Backeb., \i{}Winteria\i0{} F.
Ritter, \i{}Winterocereus\i0{} Backeb.> 8,1 9,2 13,1 14,6 18,1/2/3/5
20,1 23,2/1/3 24,1/2<usually>/3<rarely, more or less> 26,1/2
27,(0.2-)0.5-5.25/- 28,1/2 32,5 33<slender,>,2 34,30 38,1/2 39,2 40,1
41,5-30 42,2 43<low> 44,1 45,1<rarely>/2 46<often represeted by
transverse furrows or notches> 49,1 50,2 51,1-2 52<usually>,2 55,2 56,1
57,1 58,1-2<sometimes woollier in flowering parts> 64,1 65,3 66,(3-)6-60
67,0.2-7 68,1-2 69<when identifiable,>,1-10(-20) 71,5-35 75,1/2 78,3
84,2 85,3<pollinated by Hummingbirds> 88,2 89,1 90<narrowly,>,1<often
flattened> 92,1 93,2-4 94,2.5-9 96,1-2/3<e.g., in \i{}Borzicactus\i0{}>
103<with narrow overlapping scales subtending wool or hairs>
105<sometimes curved, sometimes dorsally dilated,>,2 106,2
107,1<covering it> 109,2<hairy or woolly> 110,2 114,4-5/6/1
116,1<usually unexpanded, the imbricate segments not or only slightly
spreading apically>/2<only in \i{}Borzicactus\i0{}>
119,1<\i{}Borzicactus\i0{}>/2 121,2<inserted in the throat and tube>
123<and style>,2 124<often>,1<in two series>/2 135,0.9-6(-10)
136<small,>,1 137,2/3/6/7/10 138,1/2<sometimes with sparse hair tufts>
142,1 144,1<or bursting open>/2 147<small,>,3 149,4<? - "obovate"> 155,2
159,1 162,3 168<Peru, Bolivia, Argentina, Paraguay, Uraguay> 169,3
172<about>,30 173,4 175,9 176<cf. Hunt, 1967> 178<cleistoc> 
 
# Cochemiea <(K. Brandegee) Walton>/
2<\i{}Mammillaria\i0{} Haw.> 5,2 8,1 9,1 13<very>,1 14,5-6 15<to>,7
20,1/1-2 23,1/2&1 26,1/2<often forming several-stemmed clusters> 33,2
34,100 35,7 38,2 40,2 45,1 47,3 49,2 50,1 51,1 52,2 54,1/2 55,1 56,2
57,3 64,1<terminal on the tubercles> 65,3 66,(9-)13-35 67,0.5-5 68,1
69,1-5 71,7-30 74,1<the centrals, the radials straight> 75,1&3 78,3 84,2
85,3<pollinated by Hummingbirds> 88,2<arising from the bases of older
areoles, but sometimes forming rings around the stem tips> 89,1
90<narrowly>,2 91<bilaterally symmetrical> 92,1 93,3-4 94,2.5-5.5
96,3<with an oblique perianth> 99,1-2<the tube short> 100,1
105<often>,1/2<?> 106,1 114,6 116<narrowly>,2 117<fairly>,1 118,2
120<numerous> 135<globose, ovoid or clavate,>,1.3-3<where recorded ...>
137,6-7<-ish> 138,1 142,1<?> 144,2 147,3 154,1<?> 155,2 156,1/2<?>
160<deeply>,8 162,3 163,2 168<Mexico> 169,2 172<about>,4-5 173,4 175,2
176<cf. Anderson (2001)> 178<cochemie> 
 
# Coleocephalocereus <Backeb.>/
3<\i{}Buiningia\i0{} Buxb.> 8,1 9,1/1-2<C. purpureus> 13,1 14,2-3/5/6
17,1-2<the cephalia continuous, more or less sunken in the stems on
reduced and depressed ribs> 18,1/3<or crawling> 20<basally>,1/2 23,2/1
24,1/2 27,0.2-5 28,1/2 32,2-3/5 33,2 38,1/2 40,1 41,6-35 42,2
43<rounded> 44,1 45,2 51,2 52,2 55,2 56,1 57,1 58,1<with white wool and
long, sturdy bristles> 64,1 66,5-27 67,0.5-11 68,1 69,(0-)1-9 71,4-19
73,1/2<weak or strong, flexible> 75,1 77<variously coloured> 78,3 84,1
88,1/2/1&2 89,1 90,1/2/3 92,1 93,2-4 94,2-8 96,1 99,1 103<small, naked
or with a few small scales> 104<long, naked or with a few small scales>
106,1/2 107,1<these small>/2 110,2 114,1/2-4/6/7/8 135,1.6-3.5
136,1/2/3/4 137,6-7 138,1 142<smooth,>,1 144,1 145,3 146<about>,1 147,3
149,1/2/4 155,2 157,2 160,2 162,3 168<Brazil> 169,3 172,6 173,4 175,4
178<coleocep> 
 
# Consolea <Lem.>/
6,1 8,3 9,2 13,1 20,1<the insertion of branches more or less
cruciform> 21,1<flattened branches> 22,2 23,1 24<tall,>,3<sometimes
with several main stems or trunks> 25,1/2 27,1-10 28,- 30,1 31,1 32<or
trunk>,5/1<at least above> 33,1<in the vertical plane, oblong, somewhat
irregular in outline but the upper margin straight and the lower one
curved> 37,1 38,1 40,2 45,2 51,2 52,1 55,3&4<sometimes concentrated
distally> 56,1 57,1 60,1 61,1 63,1 64,1<usually>/2 65<when
present,>,1/2/3 66,1-9(-45) 67,0.8-15 68,2 78,2/3 79,2 80,2 81,2 84,2
88,2 89,1 91<cup shaped, "globose"(!), or "opening widely with recurved
perianth parts"> 92,1 93,3 94,1-7.5 96,1 99,2/3 100,2 101,1 102,1
103<elongate, sometimes flattened or bent, with spiny areoles> 106<if
present,>,2 107,1 110,1 113<rotate> 114,4/5/6 117<short,>,2 118,1/2
119,2 123,1 134,1 135,2-9 136<oblong to>,3/2 138,1<?>/2<usually> 139,1/3
142,1 144,2 146,3-4<or in diameter ...> 147<with the funicular girdle
strongly protruding, 3-4 mm in diameter, yellowish>,1 148,1<on the
funicular envelope> 152,1 155,1 162<fleshy,>,1 168<Florida, Cuba, Haiti,
Jamaica> 169,1&4 172<about>,8 173,2 174,3 178<consolea> 
 
# Copiapoa <Britton & Rose>/
2<\i{}Cephalocereus\i0{}, Hunt (1967)> 3<\i{}Pilocopiapoa\i0{} F.
Ritter> 8,2 9,1 10,1/3 13<usually>,1/2 14<sometimes tap-rooted,>,2<at
first>/5<subsequently> 17,1<with a dense development of wool at the top,
in which the flowers develop>/3 20,1/2/3 23,1 26,1<mostly, sometimes
spectacularly so>/2 27<12 cm in diameter> 38,2 40,1 41,(8-)10-40 42,2
43<distinct> 44,1-2 45<more or less>,1-2<often shallowly so, bearing the
more or less spiny areoles> 49,1 50,2 51,1 52,2/1 54,1/2 55,2 56,1 57,1
61,1 64,1<usually, variable>/2 65<when present,>,1<rarely>/2/3
66,(1-)6-32 67,0.2-6 68,1/2 75,1/2 78,3 84,2 87,1 88,1<arising near the
retuse, woolly stem apices> 89,1 90<shortly>,2-3 92,1 93<immersed in the
apical wool> 94,1.5-5.5 96,1 99,2-3 100,1/2 101,1/2 102,2 106,1/2
107,1/2 110,2 112,3/4 114,4/4&6<the outer members being sometimes
reddish> 117,2 118,1/2 120<inserted in the tube as a single series>
135,0.8-1.5 136,1/6 137,10 138,1<with only a crown of sepal-like scales>
139,3 140,1 142,1-2<?> 144,1 145,4<"apically">/6<tearing> 146<large>
147<with large hilum,>,3 155,2 157,2 159,1 162,3 168<Chile> 169,3
172,15-20 173,4 175,6 178<copiapoa> 
 
# Corryocactus <Britton & Rose>/
3<\i{}Corryocereus\i0{} Fric & Kreuz. (orth. var.), \i{}Erdisia\i0{}
Britton & Rose, \i{}Eulychnocactus\i0{} Backeb. (nom. inval.)> 8,1 9,2
13<stoutly>,1 14,6 18,1/3 20<freely>,1<basally> 23,2/1<sometimes even
rhizomatous> 24,2-3 26,2<often forming large clumps> 27,1-5/- 28,1/2
31,2 33<stout or slender,>,2 38,2 40<prominently>,1 41,4-10 42,2 44,1
45,2 51,2 52,1 55,2 56<when erect>,1 57,1 58,2 64,1 65,3 66,(3-)8-20
67,0.5-26 68,1/2<often> 69<when manifest,>,1-4 71,5-13 73<sharp,>,1
75<mostly erect>,1 78,2<\i{}C. brevistylus\i0{}>/3 84,2 87,1 88,2 89,1
90<opening widely, broadly>,2-3 92,1 93,3-4 94,4-10 96,1 99,1<but the
tube short> 103<densely covered with small scales, the areoles with
brown or black wool and spines> 106,2 107,1<these abundant, small>
109,2<the areoles with brown or black wool and spines> 110,1 113<parts
short> 114,4/6 115,1 117<fairly>,1-2 118,2/4 121,2<inserted in the broad
throat> 135,1.5-8 136,1 137,2<or reddish green>/3<ish>/6 138,1-2
139,1<with deciduous tufts of needle-like spines>/3 140,2 142,1<edible>
144,2 146<small> 147,2/3 149<obliquely>,2 155,2 158,1/2 160,2/6/10 162,3
168<Peru, Bolivia and Chile, mostly at higher altitudes> 169,3
172<about>,15 173,4 175,7 176<cf. Hunt, 1967> 178<corryoca> 
 
# Coryphantha <(Engelm.) Lem.>/
1<Beehive cactus> 3<\i{}Aulacothele\i0{} Monv. (nom. inval.),
\i{}Cumarinia\i0{} Buxb., \i{}Glandulifera\i0{} (Salm-Dyck) Fric,
\i{}Lepidocoryphantha\i0{} Backeb., \i{}Roseia\i0{} Fric (nom. inval.)>
5,1<\i{}C. macromeris\i0{}>/2<?> 8,1/2 9,1/2 13,1 14,2/5<e.g., \i{}C.
erecta\i0{}, \i{}C. ottonis\i0{}> 20<basally>,1<forming clumps>/2/3 23,1
26,1/2 27,0.2-0.5<but mostly smaller> 28,1/2<mostly> 38,2 40,2
45,1<often very elongate, cylindrical, pyramidal or gibbous> 47,1/3<at
least, sometimes inconsistently or only very inconspicuously so> 48,1/2
49,2 50,1 51,1 54,1<in a few species>/2 56,2 57,2/3 59,1 64,1<at the
ends of the tubercles, sometimes with a few represented by coloured
glands> 65,2/3 66,(4-)6-34 67,0.4-3.5(-5) 68,1<usually, but centrals
sometimes lacking>/2/- 69<when manifest,>,(0-)1-5 71,4-20(-30) 74,1/2
75,1/2/3<e.g., \i{}C. ottonis\i0{}> 78,3 84,2 87,1 88,1 89,1<borne in
the axillary portions of young tubercles> 90,2-3 92,1 93,3-4
94<to>,10<and 6.5 cm in diameter> 96,1 99,1 103<naked or with a few
small scales> 104<naked or with a few small scales> 106,1/2 107,1<these
small>/2 109,1 110,2 114,4/6/7 116,2<showy> 117,1-2 118,1-2 121,2<in the
tube and throat> 135,1-3(-5) 136,1-2/4 137,2-3 138,1 140,1 142,1 144,2
146,1-2 147,2<rarely>/3 149,2/5 155,2 159,1/2 160<not pitted> 162,3
163,1<e.g., in \i{}C. macromeris\i0{}>/2<?> 168<southwestern A.S. and
much of Mexico> 169,1&2 172<about>,55 173,4 175,2 176<cf. Hunt, 1967>
178<coryphan> 
 
# Cumulopuntia <F. Ritter>/
2<\i{}Austrocylindropuntia\i0{}, \i{}Opuntia\i0{}> 8,3 13,1<usually>/2
18,1/3<forming loose to dense clumps or cushions, the stem segments
3.5-7cm long> 20,1 26,2 33,2/4<or ovoid> 38,1 40,2 45,1-2 46<when
present, elongated and prominent to indistinct> 49,2 50,1 51,1-2
52<sometimes concentrated towards the distal parts of the segments,>,2/1
55,1 56,1 57,1 60,1 62,1/2 63,1 64,1<usually>/2 65,1/2/3<usually>
66<when present,>,1-20 67,(1.5-)3-10 68,2 78,2 79<early
deciduous,>,1-2<0.5-3 mm long> 80,2 81,2 84,2 88,2 89,1 92,1 93,3 94,3-5
96,1 99,1-3<?> 114,4/6<never white> 117,2 135,1-6 136,1/2/3 138,1/2<then
more or less spiny, or with a few bristles> 139,1/3 142,1 144,2<?>
146,3.5-5 147<usually with a prominent girdle and lateral ridges, beige
to>,2 149,1/2/4 155,1 160<sometimes>,6/- 162<fleshy,>,1 168<southern
Peru, Chile, Bolivia and northern Argentina> 169,3 172<about>,20 173,2
174,1 178<cumulopu> 
 
# Cylindropuntia <(Engelm.) F.M.Knuth>/
1<chollas> 2<\i{}Opuntia\i0{}, cf. Hunt (1967)> 8,3 9,2 10,1<rarely>/3
13,1 20<little to much>,1<with indefinite growth>
23,1<usually>/2<rarely, more or less> 24,2/3 25,1/2 27,0.2-4 28,- 32,5
33,2 38,1 40,1<the ribs not continuous>/2 45,1-2 49,1/2 50,1/2 51,1
54,1<rarely, e.g. \i{}C. tunicata\i0{}>/2 55,1/4 56,1 57,1 63,1
64,1<usually, at least the upper ones>/2<sometimes, at least from some
areoles> 65,1/3<usually, often numerous, often with one predominating>
66,(1-)4-30 67,1-7(-9) 68<often recognisable as primaries and
secondaries> 72,1<the papery sheaths deciduous> 76,2 78,2/3<or caducous>
79<if present,>,1/2 81,2<or subulate>/- 84,2 88<more or
less>,2<sometimes sub-apical> 89,1 92,1 93,2-4 94,1.5-5<in the pitifully
few species recorded> 99,2-3<?> 112,2/3/4 114,1/4/6 117,2 118,1/2/4
120<numerous> 121,2<inserted in the throat> 123,1 134,1 136,1-2/3/4
137,2-3/6<browning when dry> 138,1/2 139<sometimes tuberculate,>,1/3
142,1/2 146,2.5-5 147<flattened, the funicular girdles smooth or
somewhat ridged, pale yellow to>,2<or grey>/- 152,1-2 155,1
162<fleshy,>,1 168<North America, Mexico> 169,1&2 172<about>,40 173,2
174,2 178<cylindro> 
 
# Denmoza <Britton & Rose>/
6,1 8,1-2 9,1-2 10,1 13<very>,1 14,3/4/5 16,2 20,2<or sparingly
sprouting from the base> 23,1 26,1 27,1.5 28<shortly>,1<eventually>/2
38,2 40<many>,1 41,15-20<as many as 30> 42,1<?> 43<broad basally, to 1
cm high> 44,1 45,1<at first> 49,1<the areoles becoming confluent>
50,1<?> 51<initially>,1/- 52,2<at first>/3<later> 53,2-3 54,1 55,1<?>
56,1 57,1 58<often>,1<often bearing several long brown bristles as well
as spines> 62,1<the flowering ones>/2 64,1 65,3 66,9-11 67,2-7<2-3 cm on
sterile areoles> 68,1<or the single central one absent> 69,0/1 71,8-10
75<uneven, tortuous or>,2 77<reddish> 78,3 84,2 85,3<by Hummingbirds>
88,2<but arising near the apex> 89,1 90<hairy, slender,>,1 92,1 93,2-3
96,2<curved and bilaterally symmetrical, i.e. slightly zygomorphic> 99,1
104<curved> 105<curved above the ovary, but>,2 106,2 107,1<covering it>
109,2<hairy> 110,2 112<unexpanding, with short erect segments>
114,6<scarlet> 119,1<the nectar chamber being plugged with dense
staminodial hairs arising from a thick collar near the base of the tube>
121,2<inserted in the throat and tube> 122,1 123<and style long>,2<the
filaments red> 128,3 136,1 138,2 139<with tufts of short, hairlike
spines> 142,2 144,1 145,1<down one side> 147,3 155,2 159,1-2
160<puckered and irregularly>,8 162,3 168<Argentina> 169,3 172,1<\i{}D.
rhodacantha\i0{}> 173,4 175,9 176<cf. Hunt, 1967> 178<denmoza> 
 
# Discocactus <Pfeiff.>/
6,1 8,2 9,1 13,1-2 14<small, more or less flattened->,1-2 16,1-2
17,1<the cephalium cushion-like, comprising long bristles and woolly
hairs> 20,2 23,1 26<usually>,1 27,0.02-0.09 38,2 40<low->,1 41,10-22
42,1/2 43<rather broad-based> 45,1<in that the ribs are notched into
conical warts> 46<plump, prominent, closely opposed> 49,1 50,1/2 51,1
52,2 54,1/2 55,1/2 56,1 57,1<these small at the tubercle tips> 61,1 64,1
65,1-3<often obscuring the areoles> 66,4-11 67,0.5-5 68,1<the radials
being larger or smaller than the central one>/2 69,1 71,5-12 73,1
75,1/2/1&2 76,2 78,3 84,1 87,2 88,1<associated with the cephalia> 89,1
90,6 92,1 93,4 94,5-10 95,1 96,1 99,1 104<exserted beyond the cephalium>
106,2 107,1 109,1 110,2 112,2/3/4 114,2 116,2<above the tube> 117,1
118,2 121,2<inserted in the upper part of the tube> 135,2.5-4.5
137,1/10/6 142<globose to oblong or clavate, with persistent floral
remains, slightly>,1-2 144,1 145,1/2<"via vertical slits"> 146,2-2.5
147,3 149,1-2 155,2 159,1 160<minutely>,1/2 162,3 168<Brazil, eastern
Bolivia, northern Paraguay> 169,3 172,8 173,4 175,9 176<cf. Hunt, 1967>
178<discocac> 
 
# Disocactus <Lindl.>/
1<Orchid cacti, Epyphyllums> 3<\i{}Aporocactus\i0{} Lem.,
\i{}Aporocereus\i0{} Fric & Kreuz. (orth. var.), \i{}Bonifazia\i0{}
Standl. & Steyerm., \i{}Chiapasia\i0{} Britton & Rose,
\i{}Disisocactus\i0{} Kunze (orth. var.), \i{}Disocereus\i0{} Fric &
Kreuz. (orth. var.), \i{}Heliocereus\i0{} (A. Berger) Britton & Rose,
\i{}Lobeira\i0{} Alexander, \i{}Mediocereus\i0{} Fric & Kreuz. (orth.
var.), \i{}Nopalxochia\i0{} Britton & Rose, \i{}Pseudonopalxochia\i0{}
Backeb., \i{}Trochilocactus\i0{} Linding., \i{}Wittia\i0{} K.Schum.,
\i{}Wittiocactus\i0{} Rauschert> 8,1 9,2 13,1<or bristly>/2 18,1/2/5
19<judging from published photos,>,2<?> 20,1 21,1/2 22,1/2 23,2/1/3
24<more or less>,2 26,1 27<nearly 1 m long> 30,1<often>/2 32,1/5
33,1/2/1&2<often becoming flattened above their cylindrical bases, often
with a pronounce median nerve> 34,15-100 38,1/2 39,2 40,1/2 42<when
present,>,2/- 44<if present,>,1 45,1/2<depending on interpretation of
notched, serrate or crenate ribs or branch margins> 50,2/3 51,1-2 55,2/3
56,1 57,1 58,2 62,1/2 64,1<bristly>/2<commonly> 66<when present,>,1-30
67,0.1-1.5 68,1/2<usually> 69<in \i{}D. martianus\i0{},>,3-4 71<in
\i{}D. martianus\i0{},>,6-10 78,3 84,1/2<\i{}Aporocactus\i0{},
\i{}Heliocereus\i0{}> 88,2 89,1<usually>/2 90<variously narrowly>,3/1-2
92,1 93,3-5 94,3-17 95,1 96,1-2/3<\i{}Aporocactus\i0{}> 99,1-2
106<slender,>,2 107,1<these few, small> 109,1<?> 110,2 112,2/4
113<segments rather few> 114<brightly coloured,>,2/3/4/5/6/7 115,1/2
116,2/3 117<mostly>,1/2<\i{}D. nelsonii\i0{}> 118,2/3/4<\i{}D.
nelsonii\i0{}> 120<few to many> 123<and style>,2 127,3 135,1-14 136,1/2
137<of assorted colours> 138,1/2<then with small scales> 139,3
142<berry-like>,1/2<?> 144,2<?> 147,3 149<slightly>,5/2 155,2 157,3
158,1 160<minutely>,6/9 161<strongly>,2 162,3 168<Central America
(mainly), also northern South America and West Indies> 169,2&3&4 172,16
173,4 175,5 176<cf. Hunt, 1967> 178<disocact> 
 
# Echinocactus <Link & Otto>/
1<Barrel cactus> 3<\i{}Brittonrosea\i0{} Speg.,
\i{}Echinofossulocactus\i0{} Lawr., \i{}Homalocephala\i0{} Britton &
Rose> 8,2 9,1 10,1/3 13,1 14,1-5 16,1/2 17,2/1-2<with a dense
development of wool at the top, in which the flowers develop> 20,1/2/3
23,1 26,1/2 27,0.1-2.5 38,2 40,1 41,(5-)10-30(-60) 42<few to many,>,2
43<narrow> 44<fairly>,1 45,1-2 49<when present,>,1 50,2 51,1-2 52,1-2/3
53,2 54,1<\i{}E. polycephalus\i0{}>/2 57,1 59,2 61,1 64<fiercely>,1 65,3
66,6-15 67,2.5-10 68<usually>,1 69,1/3-5 71,5-11 73,1 75<mostly>,1 78,3
84,2 87,1/2 88,1 89,1<but the areoles often more or less confluent and
densely woolly towards the upper part of the plant>/- 90<shortly>,2/1/3
92,1 93,2-3 94,4-7<and in diameter> 96,1 99,1-2 103<with numerous
narrow, pointed or spine-tipped scales and densely woolly areoles>
104<very short, in some species scarcely produced beyond the ovary>
106,2 107,1<these narrow, acuminate> 108,1/2
109,1<(\i{}Echinofossulocactus\i0{})>/2<then densely felted> 110,2
112,3/4<with the outer members often with spinescent tips>
114<usually>,4/6<rarely reddish>/2/2&8 116,1-2 120<very numerous>
121,1-2<inserted in the tube, or, where the latter is negligible, around
the base of the style> 123,1 135,1.2-7 136,3<or oblong>/6
137,2<-ish>/3<-ish>/6 138,2<apically with dense wool and scales, naked
below but basally copiously surrounded by wool> 139,3 140,1 142,2
144,1/2<thin walled> 146,2.8-4 147<relatively large,>,2/3 149,1-2/4
152<more or less>,1/- 155,2 160,5/6/8/10 162,3 168<California, Texas to
central Mexico> 169,1&2 172,6 173,4 175,2 176<cf. Hunt, 1967>
178<echinoca> 
 
# Echinocereus <Engelm.>/
1<Hedgehog cactus> 3<\i{}Morangaya\i0{} G.D.Rowley, \i{}Wilcoxia\i0{}
Britton & Rose> 8<dwarf, soft and fleshy,>,1<sometimes - \i{}
Wilcoxia\i0{} - with tuberous roots>/2 9,1/2 13<very>,1 14,1<\i{}E.
knippelianus\i0{}>/2<rarely>/5-6 18,1/3/4 20,1-2<grouped or laxly
branching or clustering from the base> 23,2/1 26,1-2<or colony forming>
27,0.1-0.6<when unsupported, but sometimes clambering to 4 m>/-
28,1/2<mostly> 29,1<often>/2 30,2 38,2 40,1 41,4-26 42,2 43<usually well
formed> 44,1/2 45,1-2 49,1 50<usually>,2 51,1<borne at their tips>
52,2-1 54,1/2 55<usually>,2 56,1 57,1 58,2 61<usually>,1
64,1<usually>/2<0-4 in \i{}C. knippelianus\i0{}> 65<usually>,3
66,(1-)7-45(-80) 67,0.1-13 68,1<often>/2<and centrals sometimes lacking>
69,(0-)1-15 70,1<rarely>/2 71,(0-)4-25(-40) 78,3 84,2 87,1/2 88,2 89,1
90<long>,2-3 92,1 93,3-4 94,2-15 96,1 99,1 103<ornamented like the tube>
104<short to elongate> 106,2 107,1<these short> 109,2<with axillary
wool> 110,1<bristly> 114<brightly coloured,>,6/7/8/4<rarely> 115,1
117,1-2 118,1/2/4 121,2<inserted in the tube in a single series> 128,2
135<sizes not recorded ...> 137<of assorted colours> 138,2 139,1<but the
spines easily detachable> 142,1 144<a fleshy berry, often edible,>,2
146,0.8-2 147<with truncate hilum,>,3 149,4 155,2 160<strongly>,5 162,3
168<western North America, Mexico> 169,2&3 172<to>,70<or more> 173,4
175,7 176<cf. Hunt, 1967> 178<echinoce> 
 
# Echinomastus <Britton & Rose>/
2<\i{}Thelocactus\i0{}, cf. Hunt (1967)> 8,2 9,1 10,1 13<very>,1 14,2/5
16,2 20<usually>,2 23,1 26<mostly>,1 27,0.05-0.37 38,2 40,1/2 42<when
present,>,1 43<low> 44,2/- 45,1 47,1 48,1 50,1 51,1 54,1 55,1 57,2
59<often>,1 64,1 65,3 66,12-40 67,0.4-4 68,1<or centrals sometimes
lacking> 69,(0-)1-9 71,9-32 73,1 75,1 76,2<acicular, often interlacing>
78,3 84,2 87,1/2 88,1 89,1<borne at the tips of the tubercles> 90,2 92,1
93,3 94,2-6 96,1 99,2-3 100,2 101,1 102,2 103<with scales> 106<if
present,>,2 107,1 110,2 114,2/7/8 117,2 118,1/2/4 120<numerous> 123,1
135<to>,1<in the one species recorded ...>/- 136,3<elongate> 137<before
drying,>,2 138,2<scaly> 139,3 142,2 144,1 145,1/2/3<? - "via a basal
pore, vertically, or by slits"> 147,3 149,2/5 155,2 160,2 162,3
168<Southwestern United States and northern Mexico> 169,1&2 172,7 173,4
175,2 178<echinoma> 
 
# Echinopsis <Zucc.>/
1<San Pedro cactus> 3<\i{}Acantholobivia\i0{} Backeb.,
\i{}Acanthopetalus\i0{} Y. It, \i{}Andenea\i0{} Fric (nom. inval.),
\i{}Aureilobivia\i0{} Fric, nom. inval., \i{}Chamaecereus\i0{} Britton &
Rose, \i{}Chamaelobivia\i0{} Y. It (nom. inval.), \i{}Cinnabarinea\i0{}
Fric ex F. Ritter, \i{}Echinolobivia\i0{} Y. It (nom. inval.),
\i{}Echinonyctanthus\i0{} Lem., \i{}Furiolobivia\i0{} Y. It (nom.
inval.), \i{}Helianthocereus\i0{} Backeb., \i{}Heterolobivia\i0{} Y. It
(nom. inval.), \i{}Hymenorebulobivia\i0{} Fric (nom. inval.),
\i{}Hymenorebutia\i0{} Fric ex Buining, \i{} Leucostele\i0{} Backeb.,
\i{}Lobirebutia\i0{} Fric (nom. inval.), \i{}Lobivia\i0{} Britton &
Rose, \i{}Lobiviopsis\i0{} Fric (nom. inval.), \i{}Megalobivia\i0{} Y.
It (nom. inval.), \i{}Mesechinopsis\i0{} Y. It, \i{}Neolobivia\i0{} Y.
It, \i{}Pilopsis\i0{} Y. It (nom. inval.), \i{}Pseudolobivia\i0{}
(Backeb.) Backeb., \i{}Rebulobivia\i0{} Fric (nom. inval.),
\i{}Salpingolobivia\i0{} Y. It, \i{}Scoparebutia\i0{} Fric & Kreuz. ex
Buining, \i{}Setiechinopsis\i0{} (Backeb.) de Haas, \i{}Soehrensia\i0{}
Backeb., \i{}Trichocereus\i0{} (A. Berger) Riccob.> 6,1 8,2<often, at
least at first>/1<then sometimes dwarf, e.g. in \i{}Chamaecereus\i0{}>
9,1<e.g., \i{}Pseudolobivia\i0{}>/2 13,1<sometimes fiercely so> 14,2/5/6
16,1<sometimes, when globular>/2 20,1/2 23,2-1 24,2-3<mainly>/1
25,1<rarely, e.g. in \i{}E. terscheckii\i0{}>/2 26,1/2 27,0.02-6 28,1/2
30,1/2 32,5 33,2 38,2 40<at least usually>,1 41<few to many> 42,1/2
44,1-2 45,1<between or beneath the areoles>/2 50,1/2 51,1/2 52,2/1
54,1<e.g., \i{}E. haematantha\i0{}>/2 55,1/2 56,1 57,1 61<usually>,1
64,1<few to many, occasionally absent from some areoles> 65,3
66,(1-)4-100 67,0.1-15 68,1/2 69<when manifest,>,0/1<often>/1-10
70,1<rarely>/2 71,2-30(-55) 74,1/2 78,3 84,2<mostly>/1&2
88<usually>,2<but sometimes subterminal, e.g. in \i{}Leucostele\i0{}>/-
89,1 90<hairy,>,2/3/6 92,1 93,4 94,(2-)4-25 96,1 99,1 100,2 101,1 102,2
103<usually with numerous narrow scales bearing dense hairs, sometimes
bristles, but no spines> 104<ornamented like the pericarpels> 106,2
107,1 109,2<densely hairy, sometimes bristly> 110,2 114,2/4/5/6/7 115,1
117,2<usually>/1<e.g., \i{}E. coronata\i0{}> 118,1/2/4 121,2<variously
inserted in the throat and tube> 123,1 124<usually>,1<with the uppermost
members displaced and their filaments forming a membranous ring in the
throat> 125,1/2 135,1-6.5<poorly recorded> 136,1-2 138<more or
less>,1/2<then with scales and/or hairs> 139,3 142,1 144<globose to
ovoid, with scales and/or hairs to more or less naked> 147,3 149,1-2
155,2 159<dullish> 160,5/9<minutely> 162,3 165,1<at least in some
spp.>/2 168<Ecuador, Chile, S. Brazil, Bolivia, Paraguay, Uruguay,
Argentina> 169,3 172<about>,130 173,4 175,9 176<cf. Hunt, 1967>
178<echinops> 
 
# Epiphyllum <Haw.>/
1<Climbing cactus> 3<\i{}Phyllocactus\i0{} Link, \i{}Phyllocereus\i0{}
Miq.> 8,1 9,2 13,2 18,2<mostly>/4/5 19,1 20,1 21<usually>,1
22,1<usually>/2 23,1/3 24,2 27,1<rarely, when erect - the branches of
other forms to several metres long>/- 30,1/2<the old stems often woody
and more or less cylindrical at the base> 31,1/2 33,1/5<usually
flattened, leaflike or 3-winged, with a stout midrib and crenate,
serrate or lacerate margins> 38,1 39,2 40,2 45,1-2<i.e., depending on
interpretation of the margins> 50,3 52,1 55,3 56,1 57,1<axillary to the
crenations, etc.> 61,1<when young>/- 64,2 78,2 79,1 80,3<scales> 84,1
88,2 89,1 90,2/6<the perianth spreading to rotate> 92,1 93,4 94,10-30
95,1/3 96,1 99,1 103<with small scales, rarely with hairs or bristles>
104<slender, elongate, often very much so> 106,2 107,1<those around the
ovary approximate, small and triangular, the ones above larger,
lanceolate, decurrent> 109,1/2<sometimes arreolate with hairs or
bristles> 110,2 112,2/4 114,2/3/7<the inner members usually white, the
outer sometimes creamy or pinkish> 116,2 117,1/2<(at least the distal
ones)> 118,2/4 120<numerous> 121,2 123,2 124,2<inserted in the tube and
around the throat> 127,3<the style elongated, with the numerous, linear
stigma lobes exserted> 135,4-9 136,2/3 137,6-7 138,2<with small scales
and areoles> 139<somewhat ridged,>,3 140,2 142,1-2 144<usually>,1
145,1<"ultimately splitting along one side"> 147,3 149,2/5 155<numerous,
with pulpy funicles,>,2 157,3 158,1 159,1 160<minutely>,6/9
161<strongly>,2 162,1<flat and fleshy> 168<Central America, Mexico,
Northern South America and Caribbean> 169,1&2&3&4 172<about>,20 173,4
175,5 176<cf. Hunt, 1967> 178<epiphyll> 
 
# Epithelantha <F.A.C.Weber ex Britton & Rose>/
1<Pingpog ball cactus> 8,2 9,1 10,1 13,1 14,2 16,1 20,2/3 23,1
27,0.1-0.6<1-6 cm in diameter> 38,2 40<seemingly>,2<?> 45,1<under the
spines> 46<1-3 mm long> 49,2 50,1 51,1 52,2 55,1 56,1 57<small,>,1<borne
at the tips of the tubercles> 64,1 65,3 66,19-38 67,0.1-0.5 68<flattened
against the stem surface, in several series, but>,2 77<white to pale
yellow> 78,3 87,2 88,1 89,1<but borne on young tubercles around the
apex> 90,3 92,1<?> 93,2<3-12 mm in diameter> 94,1-1.2 96,1 99,1 100,1
106,1 114,2/7 117,2 120<rather few> 121,2<inserted in the tube and
throat> 123,1 135,0.3-1.8 136,4 137,6 138,1 142,2 144,2<with few seeds>
146,1-1.5 147,3 149,2<"oval"> 155,2 159,1 160,1/7 162,3 168<eastern
Arizona, west Texas and Mexico> 169,1&2 172,2 173,4 175,2 176<cf. Hunt,
1967> 178<epitheli> 
 
# Eriosyce <Phil.>/
3<\i{}Ceratistes\i0{} Labour. (nom. inval.), \i{}Chileniopsis\i0{}
Backeb., \i{}Chileocactus\i0{} Fric (nom. inval.),
\i{}Chileorebutia\i0{} Fric (nom. inval.), \i{}Chiliorebutia\i0{} Fric
(orth. var.), \i{}Delaetia\i0{} Backeb., \i{}Dracocactus\i0{} Y. It
(nom. inval.), \i{}Euporteria\i0{} Kreuz. & Buining, \i{}Hildmannia\i0{}
Kreuz. & Buining, \i{}Horridocactus\i0{} Backeb., \i{}Islaya\i0{}
Backeb., \i{}Neochilenia\i0{} Backeb. ex Dlz, \i{}Neoporteria\i0{}
Britton & Rose, \i{}Neoporteria\i0{} Backeb., \i{}Neotanahashia\i0{} Y.
It, \i{}Nichelia\i0{} Bullock (nom. inval.), \i{}Pyrrhocactus\i0{} (A.
Berger) A.W.Hill, \i{}Rodentiophila\i0{} F. Ritter ex Backeb.,
\i{}Thelocephala\i0{} Y. It> 8,2 9,1<mostly>/2 10,1/3 13,1<sometimes
fiercely so> 14<large, solitary or proliferous,>,2/5-6<then often
globose at first> 16,1/2 18,1<mostly>/3<sprawling, in
\i{}Neoporteria\i0{}>/6 20,1<from underground>/2<mostly> 23,1
26,1<mostly>/2 27,0.01-1 38,2 40,1 41,7-30<or more> 42,2/1-2<? - often
obscured> 43<usually notched between the areoles> 44,2 45<mostly>,1
46<variable in form> 49,1 50,2 51,1<on their tips> 52,2 54,1<usually>/2
55<at least usually>,2/- 56,1 57,1 64,1<these very variable, from fierce
and acicular to thin and bristle-like> 66<few to many,>,(3-)8-60
67,0.2-5 68,1/2<and centrals sometimes lacking> 69<when
present,>,(0-)1-12(-20) 70,1<rarely>/2 71,3-24(-40) 78,3 84,2<?>
87,1/2<usually> 88,1-2<on young or older areoles near the stem tips>
89,1<usually>/2<e.g., paired in \i{}Nichelia\i0{}> 90<almost,>,1/2/3
92,1 93,2 94,1-5.5 96,1 99,1 103<ornamented like the tube> 106,2
107,1<these numerous> 109,2<with densely matted white hairs> 110,1<the
upper scales often subtending bristly spines>/2 114,4/6/7 117,1-2
118,1-2 121,2<inserted in the throat and tube> 123,1 124,1<in one
series, but usually in two groups - i.e., in \i{}Neoporteria\i0{}>
135,0.7-5 138,2<often woolly>/1<?> 139,3 140,1 142,1<hollow berries>
144<often with loose seeds within,>,1 145,3 146,0.7-3 147<sometimes
without an obvious micropyle,>,3 152,1 155,2 157,2 159<dullish>
160<minutely>,5-6/10 162,3 168<on slopes of the Andes from central Chile
into southern Peru and east into northwestern Argentia> 169,3
172<about>,35 173,4 175,6 176<cf. Hunt, 1967> 178<eriocyce> 
 
# Escobaria <Britton & Rose>/
1<Foxtail cactus, Pincushion cactus> 3<\i{}Cochiseia\i0{} W.H. Earle,
\i{}Escobesseya\i0{} Heter, Fobea Fric (nom. inval.),
\i{}Neobesseya\i0{} Britton & Rose> 8,2 9,1 10,1/3 13,1 14,1/2/5 16,2
20,1/2/3 23,1 26,1/2 27,0.01-0.25 28,1/2 38,2 40,2 45,1 46<terete, often
becoming corky and deciduous with age> 47,1 48,2 49,2 50,1/2 51,1 52,2/1
54,1/2 55,1/2 56,2 57,2<the groove extending from the tubercle tip to
its axil> 59,1<rarely, in the groove>/2 64,1 65,3<usually numerous,
densely covering the plant> 66,(10-)20-75 67,0.3-1.5(-2.5) 68,1<usually
but not always with the outer radiating and the inner porrect>/2<or
centrals may be lacking> 69,(0-)1-22 71,10-50 73<usually short, fine>
75<usually>,1 78,3 88<sub->,1-2<arising in the axils of nascent
tubercles at the distal ends of the areolar grooves> 89,1
90<erect,>,3<but often not fully opening>/- 92,1 93,2-3 94,2-7 96,1
99,1-2 103<naked or with a few small scales> 106,1/2 107,1<a few, these
small>/2 109,1 110,2 113<having the outer and rarely the inner segments
ciliate> 114<nearly always>,6/7/8<but pale yellow, olive green or
whitish with pinkish midveins in \i{}E. zilziana\i0{}>/- 117,1-2 118,2
121,2<inserted in the tube, the filaments clustered around the style and
sometimes spiralled> 135,0.5-2.5 136,1/2/3 137,6<usually>/2/10
138<usually>,1 140,1 142<initially>,1 146,1-1.7 147<blackish>,2/3
149<reniform or broadly oval to almost circular> 155,2 160<regularly and
deeply, minutely>,8 162,3 168<southern Canada south throughout the
western United States and into northern Mexico, with only \i{}E.
cubensis\i0{} in Cuba> 169,1&2&4 172<about>,24 173,4 175,2 176<cf. Hunt,
1967> 178<escobari> 
 
# Escontria <Rose>/
6,1 8,1 9,2 13,1 14,6 18,1 20<becoming much>,1 23,1 24,3 25,1 27,4-7
28,- 30,2 32,2 33,4 38,2 40,1 41,7-8 42,2 43<more or less triangular in
section, with straight margins> 44<fairly deep and fairly wide> 45,2
51,2 52,2/2&3<closely positioned, sometimes becoming confluent> 55,2
56,1 57,1<dull grey, oblong when not confluent> 58,2 64,1 65,3 66,10-21
67,1-2 68,1<usually with the pectinately arranged radials to 12 mm long,
and a longer, central red-orange to yellow or grey one> 69<usually>,1
71,10-20 75,1 78,3 84,2 88,2<sub-apically> 89,1/2<?> 90<somewuat>,3/1
92,1 93,2 96,1 99,1 100,2 101,2 102,2<?> 103<with distinctive broad
triangular, tan, translucent-membranous bract-scales> 104<ornamented
like the pericarpel> 106,2 107,1 109,1 110,2 113<segments more or less
erect> 114,4 115,1 117,2 118,2 123<and style>,1 135,4-6<"to 4cm or more
in diameter"> 136,1 137,5/7 138,2<with scales> 139,3 140,1
142<edible,>,1 144,2 147<numerous, small, the hilum truncate,>,3
149,4<"obovate in outline"> 155,2 159,1 160,6 162,3 168<southern Mexico>
169,2 172,1<\i{}E. chiotilla\i0{}> 173,4 175,7 176<cf. Hunt, 1967>
178<escontri> 
 
# Espostoa <Britton & Rose>/
3<\i{}Binghamia\i0{} Britton & Rose, \i{}Pseudoespostoa\i0{} Backeb.,
\i{}Thrixanthocereus\i0{} Backeb.> 8,1 9,2 13,1 14,6 17,1<\i{}E.
nana\i0{}>/2<usually, laterally>/1&2<the spectacular lateral cephalia
generally forming over several reduced and modified ribs> 20,1<from the
base or above> 23,1 24,2/3 25,1/2 26,1/2 27,1.5-9 28,1<mostly>/2 30,2
32,5 33,2 38,2 40,1 41<many> 42,2 43<low> 44,1 45,2 52,2-1 55,2 56,1
57,1 58,1<their long bristly hairs and spines forming the conspicuous
beards> 60,1 64,1 65,3<numerous, some stout and others hairlike, the
spines and hairs sometimes forming a webbing over the stems>
66,12-45(-90) 67,0.4-5(-10) 68,1/2 69<when differentiated,>,(0-)1-4
71,(3-)20-90 78,3 84,1/1&2 88,2/1&2<originating in the pseudocephalia>
89,1 90,1/3 92,1 93,2-4 94,2.5-8 96,1 99,1-2<short> 100,2 101,1 102,2
103<spineless, with small acute scales> 106,2 107,1 109<usually
hairy,>,2 110,2 113<parts short> 114,2/4/6<-ish> 115,1 116,2/3
120<numerous> 121,2<inserted in the throat and tube, the lowermost on a
collar that partially encloses the nectar chamber> 135,1.6-5 136,1-2
137,2/6 138<more or less>,1/2<then with hair tufts> 139,3 140,1 142,1
144,2 146<small> 147,2-3 149<diverse in shape, oval to almost
hat-shaped, the hilum large and broad> 155,2 159,2<dull> 160,5&9<more or
less verrucose, minutely spotted> 162,3 168<south of the equator in
Ecuador, Peru and Bolivia> 169,3 172,15 173,4 175,9 176<cf. Hunt, 1967>
178<espostoa> 
 
# Espostoopsis <Buxb.>/
2<\i{}Austrocephalocereus\i0{}, \i{}Cephalocereus\i0{},
\i{}Gerocephalus\i0{}> 3<Gerocephalus F. Ritter> 8,1 13,1 14,6 17,1&2
20,1<mostly basally, producing several unbranched stems> 23,1 24,2
27,2-4 28,1 30,2 32,5 33,2 38,2 40,1 41,20-28 42,2 43<low> 44<fairly>,1
45,2 51,2 52,2-1<with matted yellowish wool and abundant white hairs>
55,2 56,1 57,1 60,1 64,1 65,3 67,2-3 68,1<the fine radials shorter than
the erect, acicular centrals and hidden in the areolar hairs> 69,2-3
71<"numerous"> 78,3 84,1 88,2<in the pseudocephalia> 89,1<?>
90<shortly>,1/3 92,1 93,3 94<to>,4 96,1 99,1 103<naked> 106,2
107,1<these very small> 109,1 110,2 114,2 135<2.5 cm in diameter>
136<broadly>,2 137,10<with white pulp> 138,1-2<"nearly naked"> 139,3
140,1<these blackening> 142,1 144,2 147,3 149,2/4 155,2 160<rough,>,2
162,3 168<northern Bahia, Brazil> 169,3 172,1<\i{}E. dybowskii\i0{}> 
173,4 175,9 178<espostop> 
 
# Eulychnia <Phil.>/
3<\i{}Philippicereus\i0{} Backeb.> 8,1 9,2 13,1 20<mostly freely>,1
23,2/1 24,2-3 25,1/2 27,1-7 28,1 30,1/2 32,5 33,2 38,1 39,2 40,1 41,9-16
42,2 44,1 45<somewhat>,1/2 49,1 50,2 51,1/2 52,2-1 55,2 56,1 57,1
58,2<?> 60<with wool or long hairs> 64,1 65,3 66,10-30 67,0.5-20
68,1/2<usually with one spine much elongated> 69<when
differentiated,>,1-2 71,6-20 73<often long and stout> 78,3 84,1&2 88,2
89,1 90<shortly, broadly>,2/2<with hairs or bristles> 92,1 93,3-4
94,5-7.5 96,1 99<shortly but>,1-2 103<more or less globular, with
numerous scales and axillary wool, long hairs or bristly spines> 106,2
107,1<these numerous> 109,2<with axillary wool> 110,1<these bristly>/2
111,1 113<members short> 114,2/7 115,1 116<somewhat>,2/1 117,2
120<numerous> 121,2<inserted in the broad throat> 135,3-6.5 136,1
137,2<-ish>/3<-ish>/4<-ish> 138,2<scaly> 139,1<rarely>/3 142,1 144,2<?>
147<gray to>,3 149,3<"ovate"> 155,2 157,2 159,2 160,5 162,3 168<Chile
and southern Peru, rarely to elevations reaching 1000m> 169,3 172,5
173,4 175,6 176<cf. Hunt, 1967> 178<eulynchi> 
 
# Facheiroa <Britton & Rose>/
2<\i{}Espostoa\i0{}, (Hunt, 1967)> 3<\i{}Zehntnerella\i0{} Britton &
Rose> 8<large,>,1 9,2 13<very>,1 14,6 17,2<laterally>/3 20<much>,1<from
near the base, sometimes with as many as 40 branches> 23,1
24,2/3<\i{}Facheiroa\i0{} s. str. to 5 m high, \i{}Zehntnerella\i0{}
with branches to 4 m long> 25<usually>,1<these short>/2 27,1.5-8 28,1
30,1<with short trunks>/2 32,5 38,2 40,1 41,15-20 42,2 43<low, rather
crowded> 44<fairly>,2 45,2 51,2 52<fairly>,1 55,2 56,1 57<small,
round,>,1 58,1<when asociated with lateral cephalia>/2 64,1 65,3
66,10-20 67,0.5-4 68,1<the centrals longer> 69,1-5 71,8-15 73,1 75,1
76,2<acicular> 77<nut-brown> 78,3 84,1 88,2 89,1 90,1 92,1 93,3 94,3-4.5
96,1 99<more or less>,1-2 103<bearing numerous small, imbricate scales
with axillary hairs> 106,2 107,1<these numerous, small, imbricate>
109,2<with hairs> 110,2 113<members short> 114,2/6-7/11 115,1/2 116,3<at
least, in \i{}F. squamosa\i0{}> 117,2 118,2 119,1<in
\i{}Zehntnerella\i0{}>/2 121,2<inserted in the throat> 124,1<the
lowermost members on a collar partially enclosing the nectar chamber>
135<to>,1.5-6 136,1 137<translucent,>,2/5/7 138,2<with small scales and
brownish hairs in \i{}Facheiroa\i0{} s.str.> 139,3
140,1<\i{}Zehntnerella\i0{}>/2 144,2 147,2-3 150<obovate,>,1 155,2 157,2
160<very>,5 162,3 168<northeastern Brazil> 169,3 172,3<\i{}F.
cephaliomelana\i0{}, \i{}F. ulei\i0{}, \i{}Zehntnerella squamosa\i0{}>
173,4 175,9 178<facheiro> 
 
# Ferocactus <Britton & Rose>/
1<Barrel cactus> 3<\i{}Bisnaga\i0{} Orcutt, \i{}Brittonia\i0{} C.A.
Armstr. (nom. inval.)> 8,2 9,1 10,1/3 13,1 14,1/2/4/5 16,1/2 20,1/2/3
23,1 26,1/2 27,(0.1-)0.3-4 38,2 40,1 41,12-40<few to many> 42,2 43<often
large and prominent> 45<fairly>,1-2 49,1 50,2 51,1-2 52,2/1 54,1/2 55,2
56,1 57,1 59,1 64,1 65,3 66,4-35 67,0.5-15 68,1/2 69<when
differentiated,>,1-10(-12)<often 4> 70,1<rarely>/2
71,(0-)5-25<ocasionally represented by bristles> 74,1/2 75<variable,
usually strong>,1/2/3 76,1/2 78,3 84,2<?> 88<more or less>,1 89,1
90<shortly funnelform, or>,2-3 92,1 93,2-4 94,2-10 96,1 99,1 103<with
naked areoles> 106,2 107,1<these numerous, very short, obtuse or acute,
scarious or ciliate> 109,1 110,2 114,4/6/7/11 117,1/2 118,1/2/4 122,1
123,1 135,1.5-6 136,1/2/3 142,1-2 144<thick walled,>,1 145,1/2/3/6<"via
irregular slits or basal pores"> 146,1.4-2.4 147,2-3 149,3/4 152,2-3
155,2 159,1 160<minutely>,8/7 162,3 168<dry regions of southwestern U.S.
and northern to central Mexico> 169,1&2 172,30 173,4 175,2 176<cf. Hunt,
1967> 178<ferocact> 
 
# Frailea <Britton & Rose>/
6,1 8,2 9,1 13,1 14,2/5 16,1/2 27,0.015-0.06 38,2 40<shallowly>,1
41,8-31 42,2 45<usually, more or less>,1-2 49,1 50,2 51,1<but ribs and
tubercles weak> 52,2-1 55,2 56,1 57,1 64,1 65,3 66,3-18(-26) 67,0.1-0.6
68,1-2 69<when differentiated,>,(0-)1-6 71<when differentiated,>,9-20
73<weak,>,1/2 74,2 78,3 84,2 88,1 89,1 90<shortly>,2/3<or sometimes
cleistogamous> 92,1 93,2-3 94,2-4 96,1 99,1-2 104<short> 106,2
107,1<these small> 109,2<with woolly hairs and bristles> 110,2 114,4
117,2 118,1-2/4 123,1 135,0.4-2 138,2<scaly> 139,3 140,1 142<small, thin
walled,>,2 144,1-2 145<if dehiscent,>,6 146,1.5 147,2-3
149,2-3/6/8<hemispherical or hat-shaped, and 1.5 cm in diameter,
sometimes somewhat beaked> 155,2 159,1 160,4/4&5<somewhat verrucose and
sometimes minutely spiculate>/10<apart from a network of darker lines>/-
162,3 168<northeastern Argentina, eastern Bolivia, Columbia, southern
Brazil, Paraguay, Uraguay> 169,2 172,18 173,4 175,6 176<cf. Hunt, 1967>
178<frailea> 
 
# Geohintonia <Glass & W.A. Fitz Maur.>/
6,1 8,2 9,1 13,1 14,1-2/5<sometimes becoming so> 16,2 17<apically
woolly> 20,2 23,1 26,1 27,0.11<and 10 cm in diameter> 38,2
40<conspicuously>,1 41<about>,18-22 42,2 44,2 45,2 51,2 52,2 55,2 56,1
57,1<elliptic, extending along the edges of the ribs>
61<initially>,1<but soon becoming naked> 64,1<but these soon shed> 65,3
66<initially>,3 67,0.5-1.2 68,2 75<slightly>,2 77<light coloured> 78,3
84,2 87,1 88,1 89,1 90,2 92,1 93,2-3 94,2-4 96,1 114<deep>,7/6<to
majenta> 117,2 118,2 135<to>,9 138,1 140,2 142<hidden in the apical
wool, berrylike> 144,1-2 145<if dehiscent,>,6 146,1.2 147,3 149,2 155,2
159,1 162,3 168<Mexico> 169,2 172,1<\i{}G. mexicana\i0{}> 173,4 175,2
178<geohinto> 
 
# Grusonia <F. Rchb. ex Britton & Rose>/
2<\i{}Opuntia\i0{}, cf. Hunt (1967)> 3<\i{}Corynopuntia\i0{} F.M. Knuth,
\i{}Marenopuntia\i0{} Backbg., \i{}Micropuntia\i0{} Daston> 6,1 8,3
9,1/2 13<very>,1 20,1<with indefinite growth and many erect branches>/2
23,1 24,1/2/3<low growing to mat- or cushion-forming, low bushes,
sometimes clump forming or treelike, sometimes with large taproots>
26,2<forming large colonies> 27,0.03-1 28,- 32,4-5 33<elliptical->,2/3/4
38,1 40<longitudinally 8-10>,1<the ribs
sometimes>/2<\i{}Corynopuntia\i0{}> 41,8-10 42<when present,>,2
45,1-2<only slightly so> 49<when present,>,1 50,2 51,1/2 54,1/2 56,1
57<large>,1 63<ostensibly>,2<those of the stems being
fugacious>/1<towards the branch apices and on the ovary only> 64,1<but
sometimes confined to distal areoles> 65,3 66,(1-)5-25 67,0.1-6(-7) 68,2
72,1-2<the sheaths much reduced> 76<basally roughened or bulbous,
somewhat>,1 78,2 79<fugacious,>,1-2 80,2 81,2 84,2 88,1<or both terminal
and lateral> 89,1 92,1 93,3 94,3-4 96,1 99,1-2 100,2 101,1<?> 102,1<and
sometimes glochids>/2<then sometimes with glochids> 104<bearing white
woolly areoles, yellow glochids and often long, slender yellow spines>
106,2 107,1<?> 110,1<and sometimes glochids>/2<then sometimes with only
glochids> 112,2/3/4 114,2/4/7/8 117,2 118,1/2/4 121,2<inserted in the
throat> 123,1 134,1 135,1.5-9 142,1/2 144,1/2 146,2.5-5 147<whitish to
yellowish, the funicular girdle well developed, the funicular envelopes
glabrous or covered with thin trichomes> 148,1/3 154,1<this large> 155,1
162<fleshy,>,1 168<Mexico> 169,2 172<about>,18 173,2 174,2 178<grusonia>
 
# Gymnocalycium <Pfeiff. ex Mittler>/
1<Chin cactus> 3<\i{}Brachycalycium\i0{} Backeb.> 8,2 9,1 13,1 14,1/2/5
16,1 20,2<usually>/3 23,1 26,1<usually>/2 27,0.01-0.2 38,2
40<strongly>,1 41,4-15(-20) 42,1/2 43<usually broadly rounded, notched
into warts or tubercles, with a more or less pronounced protuberance or
chin beneath each areole> 44,1-2 45<variously>,1-2 46<variable>
49<when present,>,1 50,1/2 51,1/2 52,1 55<large,>,1/2 56,1 57,1 58,2
61<slightly>,1-2 64,1 65,3 66,(1-)5-10(-18) 67,0.6-3(-6) 68,1/2<centrals
often absent> 69<when present and differentiated,>,1-3(-7) 71,(3-)5-15
75<variously>,1/2/1&2 76,1/1&2 78,3 84,2 88,1<borne at or near the stem
tips> 89,1 90<glabrous>,2-3 92,1 93<mostly>,4 94,(1-)3-8(-11) 96,1
99,1-2 100,2 101,1 102,2 103<bearing a few broad, obtuse scales with
characteristically hyaline margins and naked axils> 106,2 107,1<a few,
broad, obtuse with hyaline margins> 109,1 110,2 112,2/3/4<?>
114,2/7/6/4<rarely> 116<sub->,1/2 117,2 118,1/2/4 120<very numerous>
121,2<inserted in the tube, or around the style base when the tube is
much reduced> 123,1 124,1<in two groups, the lower surrounding the style
immediately above the nectar chamber, the upper inserted nearer the
mouth of the tube> 135,(0.5-)1-4.2 136,1/3<or "obovate"> 137<usually>,6
138,2<naked below but surounded by copious wool, apically densely woolly
and with scales> 139,3 140,1 142,1/2 144,1/2<variously splitting,
cracking or deliquescent when ripe> 145<if dehiscent, variously>,1/2/6
147,2/3 149,1/2<or lenticular> 155,2 156,1<often>/2 160<minutely>,4/5/10
162,3 168<Brazil, Paraguay, Bolivia, Uruguay, Chile, Argentina> 169,3
172<about>,60 173,4 175,9 176<cf. Hunt (1967)> 178<gymnocal> 
 
# Haageocereus <Backeb.>/
2<\i{}Trichocereus\i0{}, cf. Hunt (1967)> 3<\i{}Floresia\i0{} Krainz &
F. Ritter ex Backeb. (nom. inval.), \i{}Haageocactus\i0{} Backeb. (nom.
inval.), \i{}Neobinghamia\i0{} Backeb., \i{}Peruvocereus\i0{} Akers> 6,1
8,1 9,2 13,1 14,5/6 17,2/3 18,1/3/- 20,1&3<from low down> 23,2<or
creeping or sprawling>/1<or ascending> 24,2-3 26,1/2 27,0.7-3<when
erect>/- 28,1/2 31,1/2 32,5 33,2 38,2 40,1 41,11-26 42,2 44,1-2 45<more
or less>,1-2 49<when present,>,1 50,2 51,1-2 52,2 54,1/2 55,2 56,1 57,1
58,1-2<the flowering ones sometimes with more bristles> 64,1 65,3
66,(8-)20-40(-60) 68,1/2<and centrals sometimes lacking> 69<when
differentiated,>,1-20 71,7-40 78,3 84,1-2 88,2<but toward the stem tips>
89,1 90<more or less>,2<opening to flat-rotate, narrower than in
\i{}Trichocereus\i0{}, only slightly hairy> 92,1 93,3-4 94,5-11 96,1
99,1<elongate> 103<with few to many hairs and numerous scales>
104<stout, ornamented like the pericarpel> 106,2 107,1 109<slightly to
densely hairy,>,1 110,2 114,2/6-7 117,2 118,1 121,2 124,2<in a single
series> 135,2-8 136,1/2 138,2<with a few scales and hairs> 139,3 140,1
142,1 144,2<?> 147,3 149,4 155,2 159,1/2 160<irregularly>,8 162,3
168<Peru> 169,3 172<about>,20 173,4 175,9 178<haageoce> 
 
# Harrisia <Britton>/
1<Apple cactus> 3<\i{}Eriocereus\i0{} (A. Berger) Riccob.,
\i{}Roseocereus\i0{} Backeb.> 8,1 9,2 13,1 14,6 18,1/3/4 19,1/2 20,1<the
branches often upright or arching, up to 25 metres long when clambering>
23,2/1 24,2/3 25<often>,1<these slender>/2 26,1/2 27,1-7<when erect or
clambering>/- 30,1/2 32,5 33,2/5 38,2 40,1<or angled> 41,4-12 42,2 44,1
45,1-2 46<if present, low> 49,1 50,2 51,1/2<then borne on rib
prominences> 56,1 57,1 58,2 64,1 65,3 66,(3-)4-16<few to many, variable>
67,0.4-6(-9) 68,1/2 69<when differentiaed,>,1-4 71,4-10 75,1<often large
and stout> 78,3 84,1 88,2 89,1/2<?> 90,2 92,1 93,4 94,12-22<and 8-12 cm
in diameter> 96,1 99,1 103<bearing scales with areoles and hairs or
wool, but no bristles or spines> 104<slender, as long as or longer than
the perianth, not rigid> 106,2 107,1 109,2<with hairy or woolly areoles>
110,2 114,2 115,1 117,2 118,2/4 120<numerous> 121,2<inserted in the tube
and throat> 135,3-8 136<usually>,1 137,3/4/6 138,1/2<the scales and
areoles often deciduous> 139,1/3 142,1 144,1<splitting at maturity in
subgenus \i{}Eriocereus\i0{}>/2<in subgenus \i{}Harrisia\i0{}> 147<with
deeply impressed hilum areas forming chambers,>,3 149,2<? - "broadly
oval"> 155,2 160,5 162,3 166<irregularly>,1/3 168<Florida, throughout
the Caribbean, Brazil, Paraguay, Argentina, and \i{}H. martinii\i0{} a
noxious weed in other countries> 169,1&3&4 172<about>,20 173,4 175,9
176<cf. Hunt (1967)> 178<harrisia> 
 
# Hatiora <Britton & Rose>/
3<\i{}Epiphyllopsis\i0{} Backeb. & F.M. Knuth, \i{}Hariota\i0{} DC.,
\i{}Pseudozygocactus\i0{} Backeb., \i{}Rhipsalidopsis\i0{} Britton &
Rose> 4<campanulate> 8,1 9,2 13,2 18,2/5 19,1 20<usually much>,1 21,1/2
22<when present,>,1/2 23,1-3<initially erect, but later spreading or
arching, or becoming pendent> 24,2<with determinate growth> 26,1
27,0.3-1<when erect>/- 33<3 to 5->,5/1/2/3/4 38<with segments arising
singly or in clusters from composite areoles at the tips of older
segments,>,1<the segments not exceeding 5 cm long> 39,1 45,2 51,2 52,1&3
53,1&3 55,3&5 56<when not composite,>,1 57<when not composite>,1<mostly
small> 58,1<terminal on the segments and composite> 61,1/2 62,1/2
64,2<soft bristles only> 78,3 84,2 88,1<from composite apical areoles>
89<ambiguously>,1/2 90,3 92,1 93,2-3 94,2-7 96,1 99,2/3<e.g., in
\i{}Pseudozygocactus\i0{}> 100,1 103<naked, angled, winged or round in
transverse section> 106<if present,>,1 109,1<cf. the pericarpel> 110,2
112,1/4 117,2 118,1/2/4 136,1/6 137,1/2/3<-ish>/6 138,1<glabrous> 139,3
140,2 142,1 144,2<?> 146,1 147,2/3 155,2 157,3 158,1 162,3 164,1<e.g.,
as small, circular groups in \i{}H. salicornioides\i0{}>/2<?>
168<southeastern Brazil> 169,3 172,4 173,4 175,8 176<cf. Hunt (1967)>
178<hatiora> 
 
# Hylocereus <(A. Berger) Britton & Rose>/
1<Night-blooming cactus> 3<\i{}Wilmattea\i0{} Britton & Rose> 8,1 9,2
13,1 18<often huge,>,2/3/4/5/1<rarely> 19<often>,1 20,1 23,2/1/3 30,1/2
32<sometimes>,5/- 33<winged or>,5 34<to>,1000<10 metres> 38,1/2 40,1
41,3(-5) 42,2 44<very>,1 45,1-2<depending on interpretation of notched
branch ribs or angles> 49<if present,>,1 50,2 51,1-2 52,1 55,2 56,1
57,1<in notches along the ribs or angles, distant> 58,1<being naked>/2
61<shortly>,1 64,1<these few, short and small or
inconspicuous>/2<rarely> 65,1/2/3 66,1-6(-8) 67,0.1-0.4(-1) 68,2 78,3
84,1 87,1 88,2 89,1 90,2 92,1 93,4-5 94,(3-)20-32 96,1 99,1 103<stout,
with broad, triangular, leaflike scales> 104<clearly produced beyond the
ovary> 106,2 107,1<these broad, foliaceous> 109,1 110,2 112,1/2/4
114,2<mostly>/6<variously with greenish, red or purplish sepals and
usually white petals> 117,1 118,3 120<very numerous> 121,2<inserted in
the tube and throat, the lowermost not basally united> 123,1 124,2<in a
continuous series> 135,(2.5-)4-10 136,1/2 137<usually>,6 138,2<covered
with broad scales having naked axils> 139,3 140,1/2 142<edible,>,1
144,1-2 145<if dehiscent,>,6 147<numerous, small,>,3 149,2/5 155,2 157,3
158,1 159,1 160<minutely>,9/10 162,3 168<southern Mexico, Caribbean,
Centra America, northern South America> 169,2&3&4 172,19 173,4 175,5
176<cf. Hunt (1967)> 178<hylocere> 
 
# Isolatocereus <Backeberg>/
2<\i{}Stenocereus\i0{}> 8,1 9,2 13,1 14,6 20,1 23,1
24,3<candelabra-like> 25,1<the well defined trunk more than 1 m long at
maturity> 26,1 27,5-15 28,1 31,2<the branching basal> 33<blue-green,
slightly incurving,>,2/5 34,10 38,1 40,1 41,5-8 42,1-2 43<triangular,
with straight margins, obtuse, to 2 cm high> 44,1 45,2 51,2
52,2/3<becoming confluent with age> 53,3 55,1-2 56,1 57,1 64,1 65,3
66,7-15 67,0.5-5 68,1<the centrals to 5cm long, the radials radiating,
to 1 cm> 69,1-4 71,6-12<? - "to 9 or more"> 75,1 77<yellowish white,
darkening with age> 78,3 84,1&2 87,2<clustered> 88,1 89,2<from areoles
that flower more than once> 90,1-2 92,1 93,3<to 5 cm long> 95,3 96,1
99,1 103<bristly, with or without felt> 104<without bristles> 106,2
107,1 109,2<with felted areoles> 110,2<and no bristles> 114<pale>,1-2
116,3 117,2 135,2.5-3.5 136,2 137,6 138,1-2<sometimes with a few small
bristles> 139,3 140,2 144,1 155,2 162,3 168<Mexico> 169,2 172,1<\i{}I.
dumortieri\i0{}> 173,4 175,7 178<isolatoc> 
 
# Jasminocereus <Britton & Rose>/
6,1 8,1 9,2 13,1 14,6 20<freely>,1 23,1 24,3 25,1 26,1 27,3-7 28,1 32,5
33,2 34,10-50<and 3-5 cm in diameter> 38,1 39,1 40,1 41,16-22 42,2
43<low> 44,1 45,2 51,2 52,1<typically 6-9 mm apart> 55,2 56,1 57,1 64,1
65,3 66,35-45<"about 40"> 67,0.5-5 68<unequal, radiating,>,2 73,1-2
77<yellowish, ultimately darkening> 78,3 84,1 88,2 89,2 90,2/5/6<with no
more than traces of felt> 92,1 93,3-4<5-9 cm long> 96,1 99,1
103<slender, elongate, only slightly woolly in the axils of the small
broad, scales> 104<slender, and ornamented like the pericarpel> 106,2
107,1<these small, broad> 109,2<but only slightly woolly> 110,2 113<limb
broad, the segments spreading or rotate> 114<creamy>,2/1 115,1 116,2
121,2<inserted in the tube> 135,5-9 136,1/2/3<oblong> 137,2<-ish>/6-7
138,1-2<"nearly naked"> 139,1 140,1 142<slightly>,1/2<hardening at
maturity> 144,2<?> 146,1-2 147<usually>,3 149,5<? - "curved-obovate in
outline"> 150,1 155,2 157,2 159,1 160<strongly>,5 162,3 168<Galpagos
Is.> 169<west of>,3 172,1<\i{}J. thouarsii\i0{}> 173,4 175,1 176<cf.
Hunt (1967)> 178<jasminoc> 
 
# Lasiocereus <F. Ritter>/
2<\i{}Trichocereus\i0{} Ritter> 8,1 9,2 13<very>,1 14,6 15,4.5-7 17,2
20,1&3 23,1/2-1<ascending or somewhat sprawling> 24,2/3 25,2 27,1-4<when
erect>/- 28,1/2 30,2 31,1/2 32,5 33,2 35,4.5-7 38,2 40,1 41,10-21 42,2
44,1-2 45<more or less>,1/1-2<the ribs barely notched in \i{}L.
fulvus\i0{}> 49,1 50,2 51,1-2 52,1-2 55,2 56,1 57,1 58,1<somewhat, the
flowering ones larger and with longer hairs> 60<felted or woolly> 64,1
65,3 66,11-26 67,0.5-5 68,1<the radials shorter> 69,3-6 71,8-20 73,1
75,1<acicular> 78,3 84,1 88,2<but borne toward the stem tips> 89,1 90,1
92,1 93,3-4 94,5-6 96,1 99,1 103<elongate, with dense wool and bristles>
104<stout> 106,2 107,1 109,2<with dense wool and bristles> 110,2 114,2
121,2 124,2<in a single series> 135,2.5-5 136,7 137<in \i{}L.
fulvus\i0{},>,2 142,2 144,1 145<dehiscing basally> 146<small> 147,3
149,4 155,2 159,1/2 160,2 162,3 168<Peru> 169,3 172,2<\i{}L.
fulvus\i0{}, \i{}L. rupicola\i0{}> 173,4 175,9 178<lasiocer> 
 
# Leocereus <Britton & Rose>/
6,1-2<only somewhat so> 8,1 9,2 13,1 14,6 15,1-2.5 20<with one or more
stems arising from a slightly enlarged, woody rootstock, sparsely>,1
23<sprawling or>,2-1 24,2 27,3 28,1/2 34,200 35,1-2.5 38<olive green,
slender, woody, lacking mucilage,>,2 40,1<the numerous fine ribs bearing
crowded areoles> 41,10-19 42,2 43<rounded, obtuse, low, with wavy
sinuses> 44,1 45,2 51,2 52,2-1<4-7mm apart> 55,2 56,1 57,1 58,2 61,2
64,1 65,3 66,8-16 67,0.5-3 68,2 75<slender, acicular,>,1 77<yellowish to
dark brown> 78,3 84,1 88,2<near the stem tips> 90,1/2-3 92,1 93,3-4
94,40-57<20-25 mm in diameter> 96,1 99,1 103<green, scaly, with spines
to 4 mm long in their axils> 104<green> 106,2 107,1<these numerous,
small, acute> 109,2<with dark hairs and bristles to 12 mm long> 110,1/2
111,1 113<limb short, the segments more or less erect> 114,2 115,1 117,2
135,2.3-3.1 136,1-2 137,6 138,1-2 139,1<with fugacious spines>/3 140,1
142,2 144,2 146,1.3-1.8 147<with oblique huilum dark>,2/3 149<"curved
obovate"> 150,1 155,2 159,1 160<somewhat>,5&9<minutely> 162,3
168<Brazil> 169,3 172,1<\i{}L. bahiensis\i0{}> 173,4 175,9 176<cf. Hunt
(1967)> 178<leocereu> 
 
# Lepismium <Pfeiff.>/
2<\i{}Rhipsalis\i0{}, cf. Hunt (1967)> 3<\i{}Acanthorhipsalis\i0{}
(K.Schum.) Britton & Rose, \i{}Acanthorhipsalis\i0{} K. Schum.,
\i{}Pfeiffera\i0{} Salm-Dyck> 8,1 9,2 13,1/2 18,1/2/3/5<often> 19,1
20<much>,1<mesotonically> 21,1/2 22<when present, usually>,1 23,2/1/3
24,2 26,1 27,1-2<when terrestrial and erect>/- 33,1<leaflike>/2/5<then 3
or 4 winged> 38,1<usually>/2 39<often>,1<?>/- 40,2 45,2<bearing areoles
on segment or wing margins, or in the crenations thereon> 51,2 52,1 55,2
56,1 57,1 58,2 60,1<with hair tufts> 61,1/2 62,1/2 64,1/2<sometimes with
bristles only> 65,1/3 66<when present,>,1-10 67,0.1-0.7 68<when
present,>,2 73<variable in form> 78,3 84,2 85<sometimes>,3<by
hummingbirds> 88,2 89,1/1&2<sometimes with small clusters at each
areole> 90<somewhat>,1/3/5 92,1 93,2 94,0.4-2.2 96,1 98<and the
areoles>,1-2 99,1-2<\i{}Acanthorhipsalis\i0{}>/3 100,2 102,1/2 103<often
tuberculate and angled, spiny or not> 114,2/4/5/6/7/8 117,2 118,1-2
135,0.5-1<where recorded ...> 137<brightly coloured or translucent,
veined> 138,1/2 139,1/3 142,1 144<berry-like>,2 146<to>,1 147,2/3
149<"oblong or ovate"> 155,2 157,3 158,1 162,3 164,1<in the angles, in
\i{}L. cruciforme\i0{} and \i{}Pfeiffera\i0{} sp.>/2<?> 168<Eastern
Bolivia to Argentina and Brazil> 172,15 173,4 175,8 178<lepismiu> 
 
# Leptocereus <A. Berger) Britton & Rose>/
3<\i{}Neoabbottia\i0{} Britton & Rose> 8,1 9,2 13,1 17,1/3 18,1/3/4 19,2
20<much>,1<often at angles> 23,2/1 24,2/3<\i{}Neoabbottia\i0{}> 25,1/2
27,8-10<when erect> 28,1/2 33<usually more or less>,2/5<or winged> 38,1
40,1<or winged> 41,3-8 42,2 43<thin, high, prominent> 44,1 45,2/1-2<the
ribs sometimes distinctly notched, or the areoles clearly raised> 49<if
so interpreted,>,1 50,2 51,1<sometimes, in the rib notches>/2 52,1 55,2
56,1 57,1 58,1<associated with cephalia>/2 64,1 65,3 66,6-25 67,0.1-9
68,1/2 69<when differentiated,>,1-4(-6) 71,6-16 75<usually
persisting,>,1 76,2<acicular> 78,3 84,1<\i{}Neoabbottia\i0{}>/2
88,2<usually>/1&2<in \i{}Neoabbottia\i0{}> 89,1-2 90,2-3/1<e.g., in
\i{}Neoabbottia\i0{}> 92,1 93,2-4 94,2-7.2 96,1 99,1-2 103<usually with
scales and spines> 104<usually with decurrent scales with spiny or
bristly axils> 106,2 107<usually>,1 109<usually>,2 110,1/2<then bristly>
111,1 114,2/4/6/7 115,1 117,2 120<numerous> 121,2<inserted in the tube
or throat> 123<and style scarcely exserted> 124<with the lowermost on a
rim partially covering the nectar chamber> 135,1.5-10 136,1/2/3
138,1/1-2<spiny in \i{}Leptocereus\i0{} s. str., turgid and nearly
naked in \i{}Neoabbottia\i0{}> 139,1<usually>/3 140,2 142,1 144,1 147,3
155,2 162,3 168<Hispaniola (\i{}Neoabbottia\i0{}), West Indies> 169,2&4
172,15 173,4 175,7 176<cf. Hunt (1967)> 178<leptocer> 
 
# Leuchtenbergia <Hook.>/
5,1/2<?> 8,2 9,1 11,1 13<very>,1 14,2/5 20,2/1<i.e., occasionally
caespitose> 23,1 24,2<suffrutescent from a thick rootstock, with a short
stout basal trunk covered with withered tubercles> 26,1/2
27,0.2-0.35(-0.7) 38,2 40,2 45<very>,1 46<10-12 cm long, elongate,
three-angled and resembling allioid leaves, apically areolate> 49,2 50,1
51<conspicuously>,1 56,1 57,1 61,2 64,1 65,3 66,6-16 67,2-10 68,1<the
centrals longer> 69,1-2 71,8-14 73,2 76,1<papery, often twisted>
77<yellowish> 78,3 84,2 88,1<arising at the dorsal edges of young
tubercles> 89,1/2<?> 90,2 91<short, 5-6 cm in diameter> 92,1
94<to>,8<and 5-6 cm in diameter> 95,1 96,1 99,1 103<scaly> 106,2
107,1<these short, apiculate> 109,1 110,2 114,4 116,2 118,2 122,1 123,1
135<to>,3 136,2-3 138,2<with persistent scales> 139,3 140,1 142,2
146,2.4 147,2-3 149,2<? - "broadly oval"> 155,2 160<minutely>,5 162,3
163,1<e.g., in \i{}L. principis\i0{}>/2<?> 168<northern and central
Mexico> 169,2 172,1<\i{}L. principis\i0{}> 173,4 175,2 176<cf. Hunt
(1967)> 178<leuchten> 
 
# Lophophora <J.M. Coult.>/
1<Peyote> 8,2 9,1 13,2 14,1-2 15,4-12 16,1 18,6 20,2 23,1 26,1-2<often
in clusters or mounds comprising numerous compacted stems>
27,0.02-0.07<4-12 cm in diameter> 38,2 40,1-2<the podaria sometimes more
or less coalesced into broad, shallow ribs> 41,4-14 42<when present,>,2
43<low> 45,1 46<broad, low and rounded or humped> 49,1-2 50,2 51,1 52,1
55,2 56,1 57,1 61,1 64,2 78,3 84,2 88,1 89,1 90<shortly>,3/2 92,1 93,2-3
94,1-2.4 96,1 99,1 100,1 106,1 107,2 110,2 114,2/4/6/7 116,2 118,2
120<few> 121,2<inserted in the tube> 123,1 135,1.5-2 136,3/4 137<at
maturity whitish>,5/10<earlier> 138,1 142,2 144,2 146,1-1.5 147<with a
large hilum area,>,3 149,4 155,2 160,2 162,3 168<Texas, northern and
central Mexico> 169,1&2 172,2 173,4 175,2 176<cf. Hunt (1967)>
178<lophopho> 
 
# Maihuenia <(Phil. ex F.A.C. Weber) K. Schum.>/
6<somewhat>,1 7<more or less>,2 8<more or less>,1/3 9,- 13,1 20,1&3
26,2<and cushion forming> 27,0.1-0.4<low, forming rounded cushions 2-3 m
wide> 34,1-3 38,1/2 40,2 45,2 51,2 52<numerous> 56,1 57<small,>,1
60<silky->,1 64,1 65,1-2/3<usually> 66,1/2-3 67,0.2-7.5 68,1-2<variable
regarding presence or absence of radials, the single central longer
longer and stronger> 69,1 71<when present,>,1-2 73,1/2 75,1/2 76,1/2
77<variously white, yellowish or brownish, flesh-coloured or becoming
grey> 78,1&2 79,1-2<2-10 mm long> 80,2 81,2<cylindric to ovoid or
globular, persistent> 82,1 84,2 87,1 88<sub-terminal to>,1<terminating
main branches and/or spur shoots, sometimes more or less continuous with
the stem> 89,1 92,1 93,3 94,3-5 96,1-2 99,3 100,2 101,1<the lower
leaflike, the upper sepaloid> 102,1/2 112,3 113,20-100<many> 114,2/4
117,2 120,20-100<numerous> 121,2<at its base> 123,1 124,2 127,1<? -
short, with leaflike bracts> 129,2 130<presumably>,2
132,15-100<numerous> 135,2-6 136<sub->,1/3-4 138,2<with numerous fleshy
bracts in \i{}M. poepigii\i0{}> 139,1<in \i{}M. patagonica\i0{}>/2 140,1
144,2 146,3-4 147<almost circular, smooth to slightly tuberculate,
shiny>,3 149<"almost circular"> 155,2 160<sightly>,2/10 162,2 167,1
168<mostly at high altitudes in Chile, western Argentina and Patagonia,
cold-resistant> 169,3 172,2 173,3 176<cf. Hunt (1967)> 178<maihueni> 
 
# Maihueniopsis <Speg.>/
3<\i{}Puna\i0{} R. Kiesling> 8,3 13,1<usually>/2 18<deep rooted,>,6<with
tuberous roots> 20,1/3<densely branched from below, and cushion forming>
23,2/1 24,1/2 27,0.01-2/- 33<ovoid, shortly>,2/4/1 38<indistinctly>,1/2
40,2 45,2<but sometimes slightly so> 51,2<located in depressions> 52,1
56,1 57,1 60,1/2 63,1 64<usually>,1/2<rarely> 65<when present,>,1-3
66,(1-)2-20 67,0.1-6 68,1/2 76<often>,1 78,2 79,2<caducous> 81,2 84,2
88,2 89,1 92,1 93,2-4 94,2-8.5 96,1 99,1/2 100,2 101,1<leaflike>
102,1<or glochids only?>/2 103<with fewer than 30 areoles, naked or with
bristle-like spines> 114,4<mostly>/4/5/8 117,2 118,1 135,1-5<where
known> 136,1/2/5/6 137,2/3<-ish> 138,1/2 139,1/1&2/3 142,1-2 144,1/2
145<if dehiscent,>,6 146<about>,6 148,1<with a soft and woolly funicular
envelope> 149<"scarcely tapered"> 155,1<?> 162,1<?> 168<Peru, Bolivia,
Chile, Argentina> 169,3 172,18 173,2 174,5 178<maihuops> 
 
# Mammillaria <Haw.>/
1<Fishhook cactus, Globe cactus, Pincushion cactus, Birds nest cactus>
3<\i{}Bartschella\i0{} Britton & Rose, \i{}Cactus\i0{} L.,
\i{}Chilita\i0{} Orcutt, \i{}Dolichothele\i0{} (K. Schum.) Britton &
Rose, \i{}Ebnerella\i0{} Buxb., \i{}Haagea\i0{} Fric, \i{}Krainzia\i0{}
Backeb., \i{}Lactomammillaria\i0{} Fric (nom. inval.),
\i{}Leptocladia\i0{} Buxb., \i{}Leptocladodia\i0{} Buxb.,
\i{}Mamillaria\i0{} F. Rchb. (orth. var.), \i{}Mamillopsis\i0{} (E.
Morren) F.A.C. Weber ex Britton & Rose, \i{}Mammariella\i0{} Shafer
(nom. inval.), \i{}Mammilaria\i0{} Torr. & A. Gray (orth. var.),
\i{}Neomammillaria\i0{} Britton & Rose, \i{}Oehmea\i0{} Buxb.,
\i{}Phellosperma\i0{} Britton & Rose, \i{}Porfiria\i0{} Boed.,
\i{}Pseudomammillaria\i0{} Buxb., \i{}Solisia\i0{} Britton & Rose>
5,1<e.g., many species of \i{}Neomammillaria\i0{}, \i{}Porfiria\i0{},>/2
8,2<sometimes tap-rooted> 9,1 10,1/3 13,1 14,1/2/3/5/6 16,1/2
18,1/5/6<occasionally, almost> 20,2/3 23,1 26,1/2 27,(0.1-)0.4-0.6 38,2
40,2 45,1 46<round, conicle, cylindrical, pyramidal or humped on one
side, not grooved, with apical spines> 47,3 49,2 50,1 51,1 52,2 54,1/2
55,1 56,2 57,3<the basal portions sometimes with felt, hairs or
bristles> 64,1<terminal on the tubercles> 65,3 66,2-72 67,0.2-3(-7)
68,1/2<centrals sometimes lacking> 69<when differentiated,>,0/1-11(-15)
71,9-70 74,1/2 75,1/2/3<sometimes with hooked centrals> 78,3 84,2
88,2<arising from the bases of older areoles, but but often forming
rings around the stem tips> 89,1 90,2-3 92,1 93,2<mostly>/3 94,0.7-7
96,1-2 99,1-2<the tube short> 100,1 106,1 107,2 110,2 114,2/3/4/5/6/7/8
116<usually rather narrow>,2 117<fairly>,1/2<mostly> 118,1/2<mostly>/4
120<numerous> 121,2<inserted in the tube, the filaments clustered around
the style, sometimes spiralled> 123,1 136<sub->,1/3/4 137,6/7/2<-ish>
138,1 140,1/2 142,1<berry-like, at first>/2<ultimately> 144<usually>,2
147,1/3 149,1/2/4 154,1 155,2 156,1/2 159,1/2 160<regularly
minutely>,8<usually>/6/10 162,3 163,1<especially in
\i{}Neomammillaria\i0{}>/2 165,1<e.g., in \i{}Neomammillaria\i0{},
\i{}Porfiria\i0{}>/2 168<mostly Mexico and southwest U.S, but a few in
Central America, West Indies, Venezuela, Columbia> 169,1&2&3&4 172<more
than>,200 173,4 175,2 176<cf. Hunt (1967)> 178<mammilla> 
 
# Mammilloydia <Buxb.>/
2<\i{}Mammillaria\i0{}, cf. Hunt (1967)> 8,2 9,1 10,1 13<very>,1
14<depressed->,1-2/5 15,6-14 16,1/2 23,1 26,1-2 27,0.3 38,2 40,2 45,1
46<broadly cylindrical, blunt> 47,3 49,2 50,1 51,1 52,2 54,1 55,1 56,2
57,3<the axils with 4-7 white bristles> 58,2 64,1 65,3<in several
series> 66<about>,70-130 67,0.2-1.5 68,1<the centrals to 10 mm long and
white with pinkish tips, the very numerous radials to 15 mm long,
spreading, white> 69,8-12 71,50-120<? - "very numerous"> 74,2 78,3 84,2
88,2<but often forming a circle behind the apex> 89,1<at the bases of
the tubercles> 92,1 93,2-3 94,2-3 96,1 99,1 100,1 106,1 107,2 110,2
114,2&6/2/7 117,1-2 118,2 135,0.7-1.4 136,2 137,1<-ish>/6/10 142,1 144,2
146,1 152<"with flat or domed testa"> 154,2 155,2 160<"not pitted">
162,3 168<northeastern Mexico> 169,2 172,1<\i{}M. candida\i0{}> 173,4
175,2 176<Though recently retained by the \i{}International Cactaceae
Systematics Group\i0{} as a monotypic genus, in the 1976 edition of
Backebergs \i{}Lexicon\i0{} this genus was dismissed as having been
based on misidentified seed material> 178<mammillo> 
 
# Matucana <Britton & Rose>/
2<\i{}Borzicactus\i0{}, cf. Hunt (1967)> 3<\i{}Eomatucana\i0{} F.
Ritter> 8,1-2<the juveniles shortly cerioid> 9,1/2 13,1/1-2 14,2/5-6
20,1/2/3 26,1/2<solitary or cushion-forming from basal branches>
27,(0.1-)0.2-0.75 38,2 40,1 41,7-30 42,2 43<ribs broad and low> 45<at
least fairly>,1<sometimes strongly so> 49,1 50,2 51,1 52,1 55<mostly>,2
56,1 57,1 58,2 60,1 64,1<usually>/1-2 65,1-3<very variable, from
"numerous" to absent> 66,1-65 67,1-6 68,1/2 69<if
differentiated,>,0/1-20 71,4-45 73<fine> 74,2 75,1/2 78,3 84,2 88<more
or less>,1<to subapical> 89,1 90<glabrous, stout, narrowly,>,2/1-2<with
the short perianth quite strongly recurved> 92,1 93,2-4 94,4-7
96,1-3<usually more or less bilaterally symmetrical> 99,1 106,2 107,1
109,1<from densely hairy to almost naked>/2<?> 110,2 114,5/6/4<rarely>
115,1 117,1/2 118,2 119,1<e.g., in \i{}Borzicactus\i0{}>/2
121,2<inserted in the throat and tube> 123<and syle shortly>,2/1
125,1<basally, sometimes>/2 135,0.5-2 136,1/2/3 140,1 142<hollow,
somewhat>,1-2 144,1 145,2/6<"opening by longitudinal tears">
149<variable, oval to hat-shaped> 155,2 162,3 168<Peru> 169,3
172<about>,16 173,4 175,9 178<matucana> 
 
# Melocactus <Link & Otto>/
3<\i{}Cactus\i0{} Britton & Rose> 8,1-2 9,1/1-2 13,1 14,1-5 16,1/2
17,1<very conspicuously so, cephalia comprising long woolly hairs and
bristles or spines developed from the apical areoles> 23,1 26,1
27,0.06-1 38,2 40,1 41,8-27 42,2 44,1 45,2/1-2 46<if interpreted as
such, represented by notches in the ribs> 49,1 50,2 51,2/1-2<depending
on interpretation> 52,1 54,1<occasionally>/2<usually> 55,2 56,1
57,1<small to large> 58,1<in the woolly and bristly cephalia> 62,1/2
64<very>,1 65,3 66,3-30<to 21 or more"> 67,0.1-8 68,2 74,2 75,1/2 78,3
84<short lived,>,2 85,2<?>/3<primarily hummingbirds> 88,1 89,1 90,6<the
expanded limb comprising few petals> 92,1 93,2 94,1.5-6 96,1 99,1-2<?>
100,1 104<short, immersed in the cephalium> 106,1 107,2 110,2 112,2/3/4
114,2<to pinkish>/7 121,2<inserted in the upper part of the tube>
135,1-2.8 136,4 137,1/6 138,1 142<exserted from the cephalium when
mature,>,1 144,2<?> 147<with a truncate hilum,>,3 149,1-2 155,2 157,2
159,1 160<more or less>,5 162,3 168<western Mexico through central
America south to Ecuador and southern Peru, east through the Amazon to
eastern Brazil and Venezuela, and into the Caribbean> 169,2&3&4
172<about>,35 173,4 175,4 176<cf. Hunt (1967)> 178<melocact> 
 
# Micranthocereus <Backeb.>/
2<\i{}Cephalocereus\i0{}, cf. Hunt (1967)>
3<\i{}Austrocephalocereus\i0{} Backeb., \i{}Siccobaccatus\i0{} P.J.
Braun & Esteves> 8,1 9,2 13<densely>,1 17,1<with continuous or
discontinuous, sunken or superficial, lateral, woolly and bristly
cephalia> 20<basally>,1/2 23,1 24,2/3 26,1 27,(0.7-)1-6 28,1<mostly>/2
30,2 32,5 33,2 38,2 40,1 41,10-35 42,2 43<narrow> 44,1 45,2 51,2
52<fairly>,2 55,2 56,1 57,1 58,1<close-set in the pseudocephalia, with
long wool and spines> 64,1 65,3 66<several to many,>,8-30
67,0.5-5<occasionally with longer bristles> 68,1/2 69<when
present,>,1/3-10 71,4-30 78,3 84,1&2 87<usually>,2<clustering> 88,2<but
towards the stem apex> 89,1 90,1 92,1 93,2-3 94,2-5 96,1 99,1 103<naked
save for tiny scales> 106,2 107,1<these tiny> 109,1 110,2 114,2/5/6/7/8
117,2 135,1-7 138,1 140,1-2<these shed late> 142,1 144,2 147<dark>,2
155,2 157,2 160,8<but "nearly smooth"> 162,3 168<central and eastern
Brazil> 169,3 172,9 173,4 175,4 178<micranth> 
 
# Mila <Britton & Rose>/
6,1 8<stout-rooted,>,1-2 9,1/2 13,1 14,3-5 15,2.5-5 16,2
20,1&3<caespitose> 23,2&1 26,2 27,0.07-0.3 34,0.07-0.3 35,2.5-5 38,2
40,1 41,10-15 42,2 44,1 45,2 51,2 52<fairly>,2 55,2 56,1 57,1 58,2 64,1
65,3 66,11-50 67,0.5-3 68,1<the centrals 20-30 mm long, the radials 5-20
mm long> 69,3-7 71,8-40 73,1 75,1 78,3 84,2 88<more or less>,1 89,1
90<short-tubed, sub->,3/- 92,1 93,2-3 94,1-2<1.5-2 cm in diameter> 96,1
99,1 103<with small scales and axillary wool> 106,2 107,1<these small>
109,2<woolly> 110,2 114,3-4 117,2 118,2 123,1 135,1.1-1.5 136,1 137,2
138<"nearly">,1<!> 140,1 142,1 144,2 146<small> 147,3 149<semi-elliptic
in outline"> 155,2 159,1 160,5 162,3 168<Adean central Peru> 169,3
172,1/10<depending on interpretation of the variable \i{}M.
caespitosa\i0{}> 173,4 175,9 176<cf. Hunt (1967)> 178<mila> 
 
# Miqueliopuntia <Fric ex F. Ritter>/
2<\i{}Opuntia\i0{}, cf. Hunt (1967), \i{}Cylindropuntia\i0{},
\i{}Austrocylindropuntia\i0{}> 8,3 9,2 13<very>,1 20,1 23,1 24,2
26,2<forming large thickets several metres wide> 27,1.5 32,5 33,2
34,7-20 35,3-6 38,1 40,2 45,1 46<prominent, elongate, well defined> 51,1
54,1 55,4<about 60 per stem segment> 56,1 57,1 63,1 64,1 65,3 66<about
10 according to Backeberg, "numerous" according to Anderson> 67<unequal,
erect, to>,8/- 68,2 75,1 76,2 78,2 79,1<3-5 mm long> 80,2<with pointed,
reddish tips> 81,2 84,2 88<more or less>,1 89,1 91<not opening fully>
92,1 93,4 94<to>,7 96,1<?> 99,1 100,2 101,1<probably, these leaflike,
cf. \i{}Opuntia\i0{}?> 102<pronably>,1<and/or glochids?>
103<cylindrical, with bristles> 104<cylindrical, with bristles> 106,2
110,1<and glochids?> 114,2/7 127,3 130,2 134,1 136,1-2
137<pale>,2/1<-ish> 138,2 139<barely tuberculate,>,1<covered with
bristly spines> 142<globose to ovoid, barely tuberculate, covered with
bristly spines,>,1 144,2 146,3.5-5 147<having the prominent funicular
girdle triangular in section, yellowish>,1-2 148,1<with a tough hairy
funicular envelope> 149<variable in shape> 152<laterally>,1 154,1<large>
155,1 162<fleshy,>,1 168<coastal Chile> 169,3 172,1<\i{}M.
miquelii\i0{}> 173,2 174,3 178<miquelop> 
 
# Myrtillocactus <Cons.>/
6,1 8,1 9,2 13,1 14,6 20<much>,1 23,1 24,2-3<usually with more or less
erect branches and broad crowns from short trunks> 25,1<these initially
short> 27,1-5 28,1/2 31,2 32,5 33,2 38,2 40,1 41,5-8 42,2 43<blunt> 44,1
45,2 51,2 52<fairly>,2 55,2 56,1 57,1 64,1 65,3 66,6-10 67,0.2-7
68,1<the central usually longer> 69,1 71,5-9 75,1/2 78,3 84,2/1&2 88,2
89,2<up to 9 per areole> 90,5 92,1 93,3 94,2.5-4 96,1 99,2 103<with
small scales having woolly axils but no bistles> 106,2
107<basally>,1<these small> 109,2<slightly woolly> 110,2 111,1
113<rotate> 114,1-2/3 120<rather few> 135,1-2 136,1 138,1 140,2
142<sweet tasting,>,1 144<berry-like,>,2 147<truncate at the hilar
end,>,3 149,4<"obovate"> 152,2 155,2 159,2 160,5 162,3 168<Mexico,
Guatemala> 169,2 172<about>,4 173,4 175,7<?> 178<myrtillo> 
 
# Neobuxbaumia <Backeb.>/
2<\i{}Cephalocereus\i0{}, cf. Hunt (1967)> 3<\i{}Pseudomitrocereus\i0{}
Bravo & Buxb., \i{}Rooksbya\i0{} Backeb.> 6,1 8,1 9,2 13<very>,1 14,6
15,30 17,2/3 20,1<usually>/2<\i{}N. euphorbioides\i0{}> 23,1 24,3
25,1<these usually well developed>/2 26,1 27,7-15 28,1 30,2 32<or
trunk>,5 33,2 38,2 40,1 41,8-31 42,2 43<low> 44,1 45,2 51,2 52,2 55,2
56,1 57,1 58,2 64,1 65,3<similar in all areoles, or more abundant in the
flowering region> 66,6-15 67,0.5-5 68,1/2 69<when
differentiated,>,(0-)1-4 71,3-13 78,3 84,1 88,2<towards the stem tips>
89,1 90<cylindrical to>,3/- 92,1 93,2 94,1.2-6(-8) 96,1 99,1 100,2 101,1
102,2 103<with numerous fairly large tubercles and small scales naked or
with a few bristles in their axils> 104<ornamented like the pericarpel>
106,2 107<with numerous fairly large tubercles and>,1 109,2<with a few
bristles>/1 110,2 114,2/4/6/7/8 120<numerous> 121,2<inserted in the tube
and throat> 135,2-6 136,2 138,2 139,1 140,1 142,2 144,1<by vertical
slits> 147<light or dark>,2 155,2 159,1 160<finely sculpted> 162,3
168<eastern and southern Mexico> 169,2 172,9 173,4 175,7 178<neobuxba> 
 
# Neolloydia <Britton & Rose>/
3<\i{}Napina\i0{} Fric (nom. inval.), \i{}Pseudosolisia\i0{} Y. It
(nom. inval.> 8,2 9,1 13<very>,1 14,2/5 15,3-6 16,2 20,2/3 23,1 26,1/2
27,0.05-0.24 38,2 40,2/1-2<the ribs poorly developed or absent> 45,1
46<well developed, conical, 3-10 mm long, 6-10 mm broad, 5-9 mm high>
47,1 48,2 49,2<or scarcely so> 50<more or less>,1 51,1 52,1 55,1 56,2
57,2 58,2 64,1 65,3 66,11-31 67,0.5-2.5 68,1<the centrals variable, 5-25
mm long, black to reddish brown, straight and erect or sometimes absent,
the radials 5-7 mm long, straight, radiating, white or whitish>
69,(0-)1-2(-6) 71,10-25 75,1 78,3 84,2 88,1<arising from the bases of
the areolar grooves of young tubercles> 89,1 90,2 92,1 93,2-3 94,2-4<4-6
cm in diameter> 96,1 99,1 100,1 106,1 107,2 110,2 114,6/7<magenta> 117,2
118,2 135,0.4-0.5 136,1 137<greenish>,5/2 138,1 142,2 144,2 146,1-1.5
147<with an uneven lip over the hilum,>,3 149,4 155,2 160,2 162,3
168<west Texas, Mexico> 169,1&2 173,4 175,2 176<cf. Hunt (1967)>
178<neolloyd> 
 
# Neoraimondia <Britton & Rose>/
3<\i{}Neocardenasia\i0{} Backeb.> 8,1 9,2 12 13,1 14,6 15,40
20<much>,1<from the base, in the absence of a definite trunk> 23,1
24,2-3<candelabra-like, sometimes but not always with trunks> 25,1/2
26,1 27,10-15 28,1 32,5 33,2 38,1/2 40,1 41,4-8 42,2 44,1
45,1-2<depending on interpretation> 46<represented by the peglike
areoles, should these be interpreted> 49,1 50,2 51,1/2<depending on
interpretation> 52<rather>,2 55,2 56,1 57,1<comprising large, round to
elongated, brown-felted, peg-like short-shoots, which continue growing
for many years> 58,1<being spineless> 64,1 65,3 66,3-20 67,1-25
68,1<\i{}N. herzogiana\i0{}>/2 69<in \i{}N. herzogiana\i0{}>,3-5 71,7-10
73,2 75,1/2 78,3 84,2 88,2 89,1-2<one to few per areole> 90,2 92,1
93,3-4 94,5-7.5<3-6 cm in diameter> 96,1 99,1<stoutly> 103<with scales
and subtending conspicuously developed felted areoles and sometimes with
bristles> 104<ornamented like the pericarpel> 106,2 107,1 109,2<with
felted areoles and sometimes bristles> 110,2 111,1 113<limb short,
spreading or rotate> 114<off->,2/7 115,1 116,2 121,2<inserted in the
upper part of the tube> 135,5-7 136,1/2/3 137<yellowish>,5/7 138,2<with
brownish woolly or feltlike areoles> 139,1<these short> 147<with a broad
basal hilim,>,3 149,1-2<"globular to oblong"> 155,2 157,2 158,1 160,5&6
162,3 168<Peruvian coastal and Andean Peru and Bolivia> 169,3 172,2
173,4 175,1 176<cf. Hunt (1967)> 178<neoraimo> 
 
# Neowerdermannia <Fric>/
2<\i{}Gymnocalycium\i0{}, cf. Hunt (1967)> 8,2 9,1 13,1 14,1-2<stoutly
tap-rooted> 15,5-10 16,1/2 20,2 23,1 26,1 27,0.04-0.1 38,2
40<indistinctly>,1 41,15-16(-18) 42,1 43<deeply divided into tubercles>
44,2 45<very>,1 46<prominent> 49,1 50,1 51<conspicuously>,1 52,1 55,1
56,1 57,1<often sunken, towards the bases of the adaxial sides of the
tubercles> 64,1 65,3 66,1-22 67,0.8-2.2 68,1<the centrals to 2 cm or
more long, often hooked, the numerous radials shorter> 69,1-3 71,5-20
73,1/2 74<often>,1 75,1/2/3 78,3 84,2 88,1<borne on the upper tubercles>
89,1-2 90,2 92,1 93,2 94<in \i{}N. vorwerkii\i0{},>,1.8-2<and in
diameter> 96,1 99,1-2 103<with fleshy scales and naked areoles>
104<ornamented like the pericarpel> 106,2 107,1<these fleshy> 109,2<with
naked areoles> 110,2 114<lilac->,7/2 117,2 118,2 135<to>,0.5 136,1 142,2
144,1 145,1/2<"laterally"> 149<broadly oval, ruminate> 155,2 157,2 162,3
168<northern Argentina, southern Bolivia, Peru, northern Chile> 169,3
172,2 173,4 175,6 178<neowerde> 
 
# Obregonia <Fric>/
2<\i{}Strombocactus\i0{}, cf. Hunt (1967)> 8,2 9,1 11,1/- 13,1 14,1-2
15,2.5-20(-30) 16,1-2<flattened> 18,1/6<barely rising above ground
level> 20,2 23,1 26<usually>,1 27,0.02-0.2(-0.3) 38,2 40,2 45<very>,1
46<growded basally, 5-15 mm long, 7-15 mm wide basally, erect, rounded
below, smooth, apically pointed> 49,2 50,1 51,1 52,1 55,1 56,1 57,1<at
the tips of the tubercles> 64,1 65,3 66,3-4 67,0.5-1.5 68,2
73<somewhat>,2 75,1/2<or slightly bent> 77<whitish-brown> 78,3 84,2 88,1
89,1 90,2 92,1 93,2-3 94,1-2.5 96,1 99,1 100,1 106,1 107,2 110,2
114,2&7/2&11<the midveins coloured> 116<numerous, narrow, pointed,>,2
117,1-2 118,2 120<numerous>,2 121,2<inserted in the throat and tube>
135,1.6-2.5 136,4 137<whitish>,5 138,1 139,3 140,2 142,2 144,2 146,0.7-1
147,3 149,4 155,2 160,2 162,3 168<Mexico> 169,2 172,1<\i{}O.
denegrii\i0{}> 173,4 175,2 178<obregoni> 
 
# Opuntia <Mill.>/
1<Prickly pears> 3<\i{}Airampoa\i0{} Fric, \i{}Cactodendron\i0{}
Bigelow, nom. inval., \i{}Cactus\i0{} Lem., \i{}Chaffeyopuntia\i0{} Fric
& Schelle, \i{}Clavarioidia\i0{} Kreuz. (nom. inval.),
\i{}Ficindica\i0{} St.-Lag., \i{}Nopalea\i0{} Salm-Dyck,
\i{}Parviopuntia\i0{} Soulaire & Marn.-Lap. (nom. inval.),
\i{}Phyllarthus\i0{} Neck. ex M.Gmez (nom. inval.),
\i{}Salmiopuntia\i0{} Fric (nom. inval.),\i{} Subulatopuntia\i0{} Fric &
Schelle, \i{}Tunas\i0{} Lunell, \i{}Weberiopuntia\i0{} Fric including
\i{}Nopalea\i0{} Salm-Dyck> 8,3 9,2 13<usually>,1 18,1<usually>/3 19,1/2
20,1<the branches sometimes easily detached> 21,1 22,2 23,1 24,2/3
25,1/2 27,0.3-10<or more, when erect>/- 28,- 31<nearly
always>,2/1<\i{}Nopalea\i0{}> 32,1 33,1 37,2 38,1/2 40,1<rarely>/2
45<hardly>,1-2 49<if interpreted as present,>,2 50,1/4 51,2<at least,
hardly detectably so> 55,1/2/3/1&3/4 56,1 57,1 63,1<these usually more
persistent than the spines> 64,1/2<rarely> 65<variously small to
large,>,1-3<usually numerous, often readily shed and irritable>
66,1-10(-50)<usually fewer than 12> 72,2 73,1/2 75,1/2 76,1/2
78,1-2<sometimes very small and fugacious> 79,1-3 80,2 81,2<cylindrical>
84,2 88,1<rarely, or sub-terminal>/2 89,1 90,5 92,1 96,1-2 99,1<usually,
bearing leaflike scales, the areoles with glochids and sometimes
spines>/2-3<? - the literature descriptions being disgracefully
non-comparative> 100,2 101,1 102,1/2 106,2 107,1 110,1<and sometimes
glochids>/2 112,2/3/4 114,1/4/6 117,2 118,1/2/4 120<numerous>
121,2<inserted in the throat> 123,1<mostly>/2<e.g., \i{}Nopalea\i0{}>
127,3 133<circinotropus,>,4 134,1 135,1-8(-17) 136<usually
umbilicate,>,1-2<usually>/3/4/5/6/7<i.e., of assorted shapes, usually
globular or ovoid> 138,1<rarely?>/2<usually with areoles> 139,1/2/1&2/3
142,1<mostly, edible or not>/2 144,2 147,1 148,1<rarely>/3 153,2 155,1
162<fleshy,>,1 167,2 168<native to Southern U.S.A., South and central
America to Patagonia; widely introduced worldwide, with several noxious
weed species> 169,1&2&3 172<about>,330 173,2 174,3 176<cf. Hunt (1967)>
178<opuntia> 
 
# Oreocereus <(A. Berger) Riccob.>/
2<\i{}Cereus\i0{}, \i{}Borzicactus\i0{} p.p., cf. Hunt (1967)>
3<\i{}Arequipa\i0{} Britton & Rose, \i{}Arequipiopsis\i0{} Kreuz. &
Buining, \i{}Morawetzia\i0{} Backeb., \i{}Submatucana\i0{} Backeb.> 6,1
8,1/1-2<more or less spherical when young but becoming more or less
columnar in \i{}Arequipa\i0{} and \i{}Submatucana\i0{}> 9,1/2
13,1<usually with hairy stems> 14,2/5 17,1<e.g., \i{}Morawetzia\i0{}>/2
20<sparsely basally>,1 23,1/2<rarely> 24,1/2-3 25,1<rarely>/2
26,1/2<often clump-forming> 27,0.6-3 28,1/2 31,1/2 32,5 33,2 35,5-12
38,2 40,1 41,10-25 42,2 43<low> 45,1/2<then notched> 49,1 50,2
51,1-2<the associated with notches> 52,2-1 54,2 55,2 56,1 57,1 58,1<in
cephalia>/2 64,1 65,3 66,8-25 67,0.4-10 68,1<the centrals longer>
69,1-6(-8) 70,1/2 71,(5-)10-30 75,1 76,2 78,3 84,2 88<sub->,1-2<towards
the stem tips> 89,1 90,2 92,1 93,3-4 94,6-10 96,2-3<zygomorphic> 99,1
103<with numerous hairy areoles> 104<long-cylindric, straight to
somewhat curved, sometimes laterally compressed> 106,2 107,1
109,2<densely to scarcely hairy>/1 110,2 114,5/6/8 115,2 119,1/2<?>
135,1.5-6<poorly recorded> 136,1-2 142<hollow,>,1/2 144,1/2 145,3 147,3
149,2<"broadly oval"> 155,2 159,1/2 162,3 168<northern Argentina,
Bolivia, northern Chile and Peru> 169,3 172<about>,9 173,4 175,9
178<oreocere> 
 
# Oroya <Britton & Rose>/
6,1 8,2<with tuberous roots> 9,1 13,1 14,1/2/5 15,1-22 16<scarcely>,1-2
20,2/1<sometimes many stemmed> 23,1 26,1-2 27,0.05-0.32 38,2 40,1
41,12-30 42,2 44,2 45,1/2 49<when present,>,1 50,2 51,2/2<but the ribs
notched> 52,1 55,2 56,1 57,1<elongate> 58,2 64,1 65,3 66,16-36
67,1.5-2.5 68,1<the centrals erect and somewhat longer, the radials
pectinately arranged> 69,1-3 71,15-30 75,1/2<?> 78,3 84,2<?> 88<often
forming rings,sub->,1-2 89,1 90,2-3 92,1<?> 93,2-3 94,2-3<and 1.5-2.2 cm
in diameter> 96,1 99,2<very short> 100,2 101,1 102,2 103<with small
scales, slightly woolly in the axils> 106,2 107,1<these small>
109,2<slightly woolly> 110,2 114,4/6-7 116,1&2<the inner parts erect,
the outer spreading> 118,2 121,2<inserted in the throat and tube, the
lowermost arising from a collar partially enclosing the nectar chamber>
123<and style>,1 135<to>,2.5 136<more or less>,1/4 137,3/5/6 138,2<with
small scales> 139,3 140,1 142,1 147<dullish reddish>,2/3 149,6<"helmet">
155,2 160,6&8<irregularly pitted> 162,3 168<Andean Peru> 169,3 172,2
173,4 175,9 176<cf. Hunt (1967)> 178<oroya> 
 
# Ortegocactus <Alexander>/
2<?\i{}Mammillaria\i0{}, cf. Hunt (1967)> 8,2 9,1 13,1 14,2/5 15,3-4
16,2 20,3 23,1 26<low-growing,>,2 27,0.03-0.08<?> 38,2 40,2 45<very>,1
46<relatively large, low, rhomboid, somewhat flattened, minutely dotted>
47,3 49,2 50,1 51,1 52,1 55,1 56,2 57,3 64,1<on the distal component>
65,3 66,8-9 67,0.4-1 68,1<the central spine 4-5 mm long, black or
whitish with a dark tip, the radials 5-10 mm long, straight, radiating,
whitish with dark tips> 69,1 71,7-8 75,1 78,3 84,2<?> 88,1<arising from
the axillary areolar components> 89,1 90,2 92,1<?> 93,2-3 94,2-3<1.8-2.5
cm in diameter> 96,1 99,2 100,2 101,2 102,2 103<woolly but lacking
scales> 106,2<cf. the pericarpel> 107,2 109,2<woolly> 110,2 114,4 117,2
118,2 136,1/2/3 137<dull>,6 140,1 142,2 147<with a large hilum,>,2-3
149,1 155,2 162,3 168<Oaxaca, Mexico> 169,2 172,1<\i{}O.
macdougallii\i0{}> 173,4 175,2 178<ortegoca> 
 
# Pachycereus <(A. Berger) Britton & Rose>/
1<Cardn> 3<\i{}Backebergia\i0{} Bravo, \i{}, Lemaireocereus Britton &
Rose, \i{}Lophocereus\i0{} (A. Berger) Britton & Rose,
\i{}Marginatocereus\i0{} (Backeb.) Backeb., \i{}Mitrocereus\i0{}
(Backeb.) Backeb., \i{}Pterocereus\i0{} T.MacDoug. & Miranda> 8,1 9,2
13,1 14,6 17,1/2/3 20,1 23,1 24,2/3<sometimes candelabra-like, often
becoming massive> 25,1<sometimes>/2 26,1<mostly>/2 27,1.5-25 28,1 30,2
32,5 33,2 38<mostly>,2 40,1 41,3-16 42,2 44,1 45,2 51,2 52,2/3 53,3 55,2
56,1 57,1 58,1/2<the non-flowering ones spiny, the flowering ones
sometimes spineless, but with dense wool and long bristles, confluent or
connected by furrows> 64<or at least the sterile ones>,1 65,3 66,7-32
67,0.2-10 68,1<with the 1-4 stout centrals and 20 or more somewhat
shorter radials>/2 69<when differentiated,>,1-4 71,(3-)9-30 75,1 76,2
78,3 84,2/1<\i{}Lophocereus\i0{}>/1&2<lasting two days in \i{}P.
orcuttii\i0{}> 88,1/2/1&2 89,1/2<\i{}Lophocereus\i0{}> 90<shortly>,1/2/3
92,1 93,3-4 94,4-10 96,1 99,1 103<scaly, with areoles naked or woolly or
bristly> 104<stout> 106,2 107,1 109,1/2<then with woolly or bristly
areoles> 110,2 111,1 114,2/4/5/7/8 115,1 117,2 120<very numerous, up to
3,482 in a flower recorded by Bessy in 1914!> 121,2<inserted in the tube
and throat> 135,(1-)2.5-8 136,3 137,6/6-7 138,2<densely covered with
wool and bristles and sometimes a few short spines> 139,1/3
142<becoming>,2 144,1/1-2 145,6 147<numerous, large, with a truncate
hilum,>,3 149,4/6<"obovate or helmet shaped> 155,2 159,1/2 160,10 162,3
168<southwestern United States, northern Mexico, Honduras and Guatemala>
169,1&2&3 172,11 173,4 175,7 176<cf. Hunt (1967)> 178<pachycer> 
 
# Parodia <Speg.>/
3<\i{}Acanthocephala\i0{} Backeb., \i{}Brasilicactus\i0{} Backeb.,
\i{}Brasiliparodia\i0{} F. Ritter, \i{}Brasilocactus\i0{} Fric (nom.
inval.), \i{}Chrysocactus\i0{} Y. It (nom. inval.),
\i{}Dactylanthocactus\i0{} Y. It, \i{}Eriocactus\i0{} Backeb.,
\i{}Eriocephala\i0{} Backeb., \i{}Friesia\i0{} Fric (nom. inval.),
\i{}Hickenia\i0{} Britton & Rose, \i{}Malacocarpus\i0{} Salm-Dyck,
\i{}Microspermia\i0{} Fric, \i{}Neohickenia\i0{} Fric,
\i{}Notocactus\i0{} (K.Schum.) Fric, \i{}Sericocactus\i0{} Y. It,
\i{}Wigginsia\i0{} D.M.Porter> 8,1/2<mostly> 9,1/2<e.g., \i{}P.
leninghausii\i0{}> 13,1 14,2<or globose-depressed>/5 16,1/2 17,1/3
20,2/3 23,1 26,1<usually>/2 27,0.03-0.3(-0.8) 38,2 40,1/2<the tubercles
sometimes completely replacing the ribs> 41,6-35 42<when
present,>,1<occasionally>/2 44<when detectable,>,2 45<more or less>,1-2
46<represented by slight humps on the ribs, or replacing them> 49,1-2
50,1/2 51,1 52,2/1 54,1<rarely>/2 55,1/2 56,1 57,1 61<usually>,1<usually
densely so when young> 64,1<variable> 65,3 66,(3-)12-65<usually numerous
but rarely as few as 3> 67,0.3-7 68,1<nearly always>/2 69,0-12<often no
more than 4> 70,1/2 71,(2-)6-40(-70) 74,1<often>/2 75,1-2/3<the most
central often hooked> 78,3 84,2<often lasting several days> 87,1/2 88,1
89,1 90<shortly>,2-3 92,1 93,3-4 94,1-8 96,1 99,1 104<short> 106,2
107,1<these small> 109,2<densely felted and often bristly> 110,2
114<brightly coloured,>,4/5/6/8 116<sub-rotate to>,2 117,1/2<mostly>
118,1/2<mostly> 123,1 135,0.3-6.5 136,1/2/3/4 138,2<woolly or bristly>
140,1 142,1-2 144,2<thin walled and disintegrating basally, or thick
walled and dehiscing laterally>/1 145,1/2/3/6<?> 147<reddish>,2-3
149<very variable in shape> 155,2 157,2 160<sometimes with caruncles, or
with spiny or hairlike projections> 162,3 168<eastern South America,
mostly east of the Andes in Bolivia, Brazil, Paraguay, Uraguay and
Argentina> 169,3 172<about>,65 173,4 175,6 176<cf. Hunt (1967)>
178<parodia> 
 
# Pediocactus <Britton & Rose>/
1<Hedgehog cactus> 3<\i{}Navajoa\i0{} Croizat, Pilocanthus B.W. Benson &
Backeb., \i{}Utahia\i0{} Br. & R.> 8,2 9,1 10,1/3 13,1 14<diverse in
appearance, depressed->,2/1/5 15,(1-)2-7(-9.5) 16,1/2
18,1/6<occasionally> 20<mostly>,2/3 23,1 26<mostly>,1/2 27,0.007-0.15
38,2 40,2 42,1 45,1 46<short, terete, conical or triquetrous, somewhat
pyramidal, not grooved> 49,2 50,1 51,1 52,2-1 54,1/2 55,1 56,1 57,1
64,1/1&2<these sometimes absent from the lower ones> 65,3 66,3-45
67,0.1-3.2 68,1<the 5-32 mm long, spreading, the radials 1-21 mm long,
sometimes pectinate> 69,0/1-10 70,1/2 71,3-35 73<acicular, subular,
bristly or papery,>,1/2 75<variously>,1/2 76,1/2 78,3 88,1<arising at
the upper edges of the areoles towards the stem apex> 89,1
90<shortly>,2/3 92,1 93,2-3 94,1.2-3.5 96,1 99,2 100,2 101,1 102,2 106,2
107,1<these few to many, sometimes fimbriate> 109,1 110,2 112,3/4
114,2/4/6/8 120<numerous, inserted in the tube> 123,1 135,0.3-1.2
136<sub->,1/3/4 137,2<-ish>/5-6 138,2<with a few scales towards the
apex> 139,3 140,1<the perianth only partly deciduous, leaving a lid-like
cap> 142,2 144,1 145,5 147<blackish->,2 149,1/4 155,2 160,1/6 162,3
168<western United States on the Colorado Plateau, extending into the
Columbia River Basin, Great Plains and Rocky Mountains> 169<western>,1
172,8 173,4 175,2 176<cf. Hunt (1967)> 178<pediocac> 
 
# Pelecyphora <C. Ehrenb.>/
3<\i{}Encephalocarpus\i0{} A. Berger> 8,2 9,1 10,- 11,1/2 13,1 14,1-2<or
depressed-globose> 15,2-6 16,1/2 18,6 20,1/2<single- or multiple
stemmed, with spindle-shaped roots> 23,1 27,0.02-0.06 38,2 40,2 45,1
46<triangular or elliptical in outline> 47,1-2<the ventral surface of
the young tubercles with a rudimentary groove represented by a band of
hairs, or a shallow corky ridge, linking the spiniferous areole with the
floriferous meristem> 49,2 50,1 51,1 52,1 54,- 55,1 56,2 57,2-3<i.e.,
with only rudimentary areolar grooves or ridges> 64,1<on the outer
component> 65,3 66,7-69 67,0.07-0.5 68,2<more or less pectinate>
77<whitish> 78,3 84,2 88,1<borne at the bases of the nascent tubercles>
89,1 90,2/3 92,1 93,2-3 94,1.5-3<1.3-3.0 cm in diameter> 96,1 99,1 100,1
106,1 107,2 110,2 114,6-8<magenta> 117,2 118,2 121,2<inserted in the
tube or throat> 135,0.38-0.8 136,1 137<greenish>,5/2 138,2 139,3 140,2
142,2 144,2 146,1-1.3 147<reddish>,2 149,5 155,2 160<only somewhat>,7
162,3 168<Mexico> 169,2 172,2 173,4 175,2 176<cf. Hunt (1967)>
178<pelecyph> 
 
# Peniocereus <(A. Berger) Britton & Rose>/
3<\i{}Cullmannia\i0{} Distefano, \i{}Neoevansia\i0{} W.T. Marshall,
\i{}Nyctocereus\i0{} (A. Berger) Britton & Rose> 8<tap-rooted,>,1 9,2
13,1 14,6 15<slender, often stick-like> 18,3/4 20<sparingly>,1 23,2-1
24,2<to virgate>/1 27,1-4<when semi-erect>/- 33,2/5 35<slender>
38,1/2<usually> 40,1 41,3-60 42,2<sometimes wavy> 43<variously
conspicuous to slight> 44,1 45,2 51<usually>,2 52<usually conspicuous on
the ribs,>,2-1 55,2 56,1 57,1 58,2 64,1 65,3 66,5-18 67,(0.05-)0.1-4
68,1/2<all similar in form, sometimes flattened against the stem and
short> 69<when present,>,1-6 71,2-12 78,3 84,1 88,1/2<usually> 89,1
90,2/6 92,1 93,4-5 94,7-20(-25) 96,1-2 99,1 100,2 101,1 102,1/2 103<with
bristly areoles> 104<not rigid, elongate and slender> 106,2 107,1<these
small> 109,2<with areoles bearing bristles or spines> 110,1/2 114,2/6/7
115,1 116,2/2&3<then the the outer segments recurved> 117,1/2 118,2/3
121,2<inserted in the tube and throat> 135,2-7.5(-9) 136<apically
tapered,>,2-3/5/- 137,6 138,2<with deciduous clusters of small spines or
bristles> 140,1/2 142,1 144,2 147<broadly oval, with basal hilum, the
testa shiny or sometimes roughened,>,3 155,2 162,3 168<California and
Mexico> 169,1&2 172<about>,18 173,4 175,7 176<cf. Hunt (1967)>
178<peniocer> 
 
# Pereskia <Mill.>/
3<\i{}Peirescia\i0{} Zucc. (orth. var.), \i{}Peireskia\i0{} Steud.
(orth. var.), \i{}Perescia\i0{} Lem. (orth. var.), \i{}Rhodocactus\i0{}
(A. Berger) F.M. Knuth> 5,2 6,2<or scarcely so> 7,1 9,2 13,1
18,1<mostly, small trees or shrubby, usually with trunks>/3<\i{}P.
aculeata\i0{} with scrambling stems to 10 m long> 20,1 24,2/3 27,2-10
38,2 40,2 45,2 51<in the leaf axils, sometimes bearing leaves> 56,1
57<large,>,1 60<often woolly or>,1 64<eventually>,1 65,1-3 67,0.5-9 68,2
73<unequal in length,>,1<?> 75<more or less>,1/2 76<somewhat>,1/2
77<whitish, yellowish, pinkish, brownish or dark> 78,1 79,2-3<(1-)5-20
cm long> 80,2-3 81<broad, more or less persistent, entire,>,1 82,1 84,2
87,1/2 88,1-2 89,1/2<then clustered or in panicles> 90,3/5 92,1/2 93,3-4
94,2.5-5 95,1<at least, strongly so in \i{}P. aculeata\i0{}>/- 96,1-2
97,1/1&2 99,3 100,2 101,1 102,1/2 103<usually areolate, bearing
numerous, more or less leafy, persistent scales, their axils often
spiny-areolate and sometimes proliferous> 112,1/2/3/4 113,20-100<many>
114,2<or whitish>/3/5/6/7 117,2 118,1<mostly>/2/4 120,20-100<numerous>
121,2<inserted towards the base of the perianth> 123,1 124,2 127,1-3
129,1<sometimes, partially>/2 130,1<when the ovary is superior>/2
132,15-100<numerous> 135,(0.5-)4-10 136<variable in shape> 140,1
142<solitary or clustered, the wall mostly receptacular,>,1 144,2
146,1.7-7.5 147<the micropylar end round to noselike,>,3 149,2<"ovate"
..>/5 155,2 159,1 160,10 162,1<not succulent> 166,3 167,1<in
leaves>/2<in stems> 168<lowland neotropics, from southern Mexico and the
Caribbean to northern Argentina and Uruguay> 169,2&3&4 172<about>,18
173,1 176<cf. Hunt (1967)> 178<pereskia> 
 
# Pereskiopsis <Britton & Rose>/
3<\i{}Peireskiopsis\i0{} Vaupel (orth. var.)> 7,1-2 8<ambiguously>,3 9,2
13,1 18,1/3/4 20<irregularly>,1<with numerous, slender twigs> 24,2/3
25,1<sometimes these well defined>/2 27,1-5 30,1-2<trunks often spinier>
33,2 38,2 40,2 45,2 51,2 52,1 55,1/4 56,1 57<round,>,1 60,1 61,1/2
63,1<usually>/2 64<usually>,1 65,1-3 66,1-20<1-5 on the stems, more on
the trunks> 68,2 73<often very stout, acicular> 75,1 78,1<these
elliptic, obovate or orbicular> 79,2-3<2-8 cm long> 80<usually
persistent, rather>,2 81<flat,>,1 84,2 88<usually>,2<on the previous
seasons stems>/1 89,1 90,5<\i{}Opuntia\i0{}-like> 92,1 93,3-5
94,2-10(-16) 96,1 99,3 100,2 101,1 102,1/2 103<bearing leaves, scales
subtending areoles with glochids and sometimes spines> 114,4/6/7 116,2
117,2 118,1/4 127,3 130,2 134,1<?>/- 135,1.5-13 136,3<cylindrical>/4/5
137,4/6 138,1/2 139,1<?>/2<often>/3 142<clavate, often with glochids,
few-seeded,>,1-2 144,2 146,4-5 147<arillate, yellowish->,1
148,1/2<covered with matted hairs> 149<broadly>,2 155,1 162<fleshy,>,1
168<Mexico south into Guatemala> 169,2 172,8 173,2 174,2 176<cf. Hunt
(1967)> 178<peskiops> 
 
# Pilosocereus <Byles & G. D. Rowley>/
1<Tree cactus> 2<\i{}Cephalocereus\i0{}> 3<\i{}Pilocereus\i0{} K.
Schum., \i{}Pseudopilocereus\i0{} Buxb.> 8,1 9,2 13,1 14,6 17,1/2/3
20,1<usually>/3 23,1 24,2/3 25,1<sometimes>/2 27,1-10 28,1 30,2
33<greyish greenish to waxy blue,>,5 38,2 40,1 41,3-30 42,2 44,1
45,2/1-2<i.e., the ribs often with cross furrows> 49<if so
interpreted,>,1 50,2 51<scarcely>,1/2 52,2/1/3<sometimes confluent in
pseudocephalia> 53<when present,>,2/3 56,1 57,1 58,1<often forming long
woolly hairs, to form cephalia or pseudocephalia>/2 60<often felted>
64,1<at least in vegetative parts> 65,3 66,(3-)9-35 67,0.1-7 68,1/2
69<when distinguishable,>,0-1/1-15 71,(3-)7-24 75<variable, often
translucent,>,1/2<rarely> 78,3 84,1<mostly?> 85,4 88,2<towards the stem
tips> 89,1 90,1/3 92,1 93,3-4 94,2.5-9 96,1 99,1 100,1<fleshy, without
bracts and areoles, often brown- or purple-tinged> 104<cf. the
pericarpel> 106,1 107,2 110,2 114<pale>,7/2 117,2 120<numerous> 135,2-6
136<depressed->,1 140,1 142<smooth, blackening,>,1-2<?>
144<variously>,1/2 145<if dehiscent,>,1/2/3/4/6<?> 146,1.2-2.5
147<dark>,2/3 149,8 155,2 157,2 162,3 168<Mexico, Caribbean, much of
tropical South America> 169,1&2&3&4 172<about>,40 173,4 175,4
178<pilocere> 
 
# Polaskia <Backeb.>/
2<\i{}Lemaireocereus\i0{}, cf. Hunt (1967)> 3<\i{}Chichipia\i0{} Backeb.
(nom. inval.), \i{}Heliabravoa\i0{} Backeb.> 8,1 9,2 13,1 14,6
20<stoutly>,1<and sometimes re-branching> 23<robust,>,1 24,3
25,1<often>/2 27,3-5 28,1-2 30,1-2 32,5 33,2 34,1-2 35<with yellowish
flesh,>,5-7 38,2 40,1 41,7-12 42,2 43<sharply triangular in section>
44,1 45,2/1-2<in that the ribs are more or less thickened or raised
around the areoles> 49<if so interpreted,>,1 50,2 51<more or less>,1/2
52,1 55,2 56,1 57<shield-shaped, 3-4 mm wide,>,1 58,2 64,1 65,3
66,(3-)5-10 67,0.3-1.5<the central longest, when present> 68,1/2<with
only one central, or this lacking> 69,0/1 71,3-8 75,1/2<?> 78,3 84,1&2
88,2<towards the stem tips> 89,1 90<urceolate to>,3/- 92,1 93,3-4
94<3-6.5 cm in diameter> 95,1 96,1-2<? - the perianth sometimes recurved
obliquely downwards> 99,2 103<with long golden bristles and hairs,
lacking spines> 110,2 114<yellowish>,1/2-3/6 117,2 118,2 121,2<?>
124,1<? - in erect clusters> 135,2-4 136,1 137,6/7<inside and out>
138,2 139,1<the spines short, in distant bundles> 142<edible>,1 144,2<?>
147<small,>,3 149,2/4 155,2 159,2 162,3 168<southern Mexico> 169,2
172,2<\i{}P. chichipe\i0{} and \i{}Heliabravoa chende\i0{}> 173,4 175,7
178<polaskia> 
 
# Praecereus <Buxb.>/
3<\i{}Monvillea\i0{} Britton & Rose (p.p.)> 8,1 9,2 13,1 14,6 17,2 18,1/3
20<little to much>,1 23<initially weakly>,1/2<subsequently> 24,2-3
27,6<when erect>/- 28,2/1-2 33,2 34,500 35,1.5-3 38,2 40,1 41,4-14 42,2
44,1/2 45,2 51,2 52,1 55,2 56,1 57,1<round, grey> 58,2 64,1 65,3 66,7-20
67,0.2-1.5 68,1/2 69<when determinable,>,1-3 71,6-9/- 73,1 75,1
76,2<acicular or awl-shaped> 78,3 84,1 88,2 89,1 90<sturdy>,2-3 92,1
93,4 94,8-12 96,1/2 99,1 100,2 101,1 102,2 103<stout, thich walled,
fleshy, often curved, with minute scales but no hairs, bristles or
spines> 104<like the pericarpel> 106,2 107,1<these tiny> 109,1 110,2
114<yellowish>,1-2 115,1 135,3 136<shortly>,2 137,6 140,1 142<shortly
ovoid, with persistent floral remains,>,1 144,1 145,1<"laterally along
one side"> 147<elongate ovoid, somewhat laterally compressed,
tuberculate,>,3 155,2 157,2 162,3 168<Bolivia, Ecuador, Peru, Venezuela
and trinidad> 169,3&4 172,2 173,4 175,4 178<praecere> 
 
# Pseudoacanthocereus <F. Ritter>/
2<?> 8,1 9,2 13,1 14,6 15<to>,3 18,1/3 20<basally much>,1 23<at
first>,1/2<later> 24,2 33,2 34,200<at least, in \i{}P.
sicariguensis\i0{}> 35,3 38,2 40,1 41,3-7 42,2 43<high and narrow> 44,1
45,2 51,2 52,1 55,2 56,1 57<small, brownish>,1 58,2 64,1 65,3
66<"numerous"> 67,0.2-3 73,1 75,1 76,2<acicular> 77<white to brownish>
78,3 84,1 88,2 89,1 90<long>,2 92,1 93,4-5 94,15-16 99,1 103<with
areoles bearing clusters of small spines> 104<ornamented like the
pericarpel, rather rigid> 106,2 110,1<in clusters> 114,2 135<to>,6
136<depressed globose to>,1 137<pale>,3 142<odoriferous,>,1 144,2 155,2
162,3 168<Brazil (\i{}P. brasiliensis\i0{}) and Venezuela (\i{}P.
sicariguensis\i0{})> 169,3 172,2 173,4 175,7 178<pacantho> 
 
# Pseudorhipsalis <Britton & Rose>/
2<\i{}Disocactus\i0{}, cf. Hunt (1967)> 8,1 9,2 13,2 18,2/5 19,1
20<much>,1<with the initially cylindrical stems becoming flattened>
21,1<these obtusely toothed> 22,1-2 23,1<with arching stems> 24,2
33<basally pedunculate, distally>,1 36,0.2-6 38,1 39,1 40,2 45<more or
less>,1 46<in the form of marginal notches> 50,3 51,1<i.e., in the
marginal notches> 52,1 55,3 56,1 57,1 58,2 61,1<with short, greyish
wool> 62,2 63,2 64,2 78,3 84,2 88,2/1&2 89,1<but numerous>
90<shortly>,2/5 92,1 94,0.7-3.5 100,2 101,1 102,2 103<with a few small
scales> 106,2 107,1<these few, small> 110,2 112,2/4 113<sometimes with
united segments> 114,1<-ish>/2/2&8 123,2 127,3<with a few small scales>
135,0.4-1.1 136,1-2 137,1/7<tinged> 138<"more or less">,1 139,3 142,1
144,2<?> 147<dark>,2 149,2 155,2 157,3 158,1 160,8/10 162,3 168<Central
America and Caribbean, with one in South America> 169,2&3&4 172,6 173,4
175,5 178<prhipsal> 
 
# Pterocactus <Schum.>/
6,1 8,3 9,1/2 13,1 14,2/5 18,1/6<often, almost> 20,1&3<with tuberous
roots, and one or more underground stems ascending to ground level,
giving rise to several ephemeral aerial stems> 23,2-1 24<dwarf>,2 26,2
27,0.03-0.2 32,5 33,2 34,4-20 35<to>,2 38,2<at least, in the normal
sense>/1 40,2 45,1<if the commonly papillate stems/segments be so
interpreted>/2 49,2 50,1 51,1<or papillae>/2 52,1 55,1 56,1 57,1 63,1
64,1<variously hair-like, setaceous, acicular, awl-like or papery> 65,3
66,6-30 67,0.1-5 68,1/2 69<when determinable,>,1-5 71,10-20 72,2 75<not
booked> 78,2 79<caducous,>,1 80,2<cylindric or subulate> 81,2 84,2
88<truly>,1<terminating stems, sometimes ostensibly continuous with
them> 89,1 90,5 92,1 93,3 94<2-5 cm in diameter> 96,1 99,3 100,2 102,1
103<slightly tuberculate, areolate, with glochids and tufts of small
spines> 114,1/4/7/6 116<somewhat>,2/1<exceeding the style and stamens>
117,2 120<touch sensitive> 134,1 135,2-3 136<depressed>
138<probably>,1<"the areoles falling away when ripe">/2<?>
139<probably>,3 142<apically depressed,>,2 144,1 145,4 147<pale>,2/1
149<more or less>,9<papery> 152,2 153<characteristically unevenly,
broadly>,1<via the encircling aril> 155,1 162<fleshy,>,1 168<Argentina,
Patagonia> 169,3 172<about>,9 173,2 174,4 176<cf. Hunt (1967)>
178<pterocac> 
 
# Pygmaeocereus <H. Johnson & Backeb.>/
2<\i{}Trichocereus\i0{}, cf. Hunt (1967)> 8<dwarf>,1/2<ostensibly> 9,1/2
13,1 14,2/4-5 15,1-5 16,2 17,3 18,1/6<almost> 20<mostly basally>,1/3
23,1 26,1/2 27,0.02-0.08 32,2/5 33,2/4 34,2-8 35,1-5 38,2 40<more or
less>,1 41,8-15 42,2<sometimes wavy> 43<from scarcely deveoloped to 3 mm
high> 44,1 45<more or less>,1 46<large and nipple-like, or developing
ultimately from slight notches> 49,1 50,2 51,1 52,2/1 54,1/2 55,2 56,1
57<round to elongate>,1 61,1 64,1 65,3<often radiating> 66,3-35
67,0.1-1.5 68<usually>,1 69,4-40 71,15-25 78,3 84,1 88,2 89,1
90<broadly>,2 92,1 93,3-4 94,6-8 96,1 99,1 104<long and slender> 106,2
107,1<these acute> 109<hairy,>,2 110,2 114,2 117,2 118,2 135<of \i{}P.
bieblii\i0{},>,0.6-1 136,1/5 138<of \i{}P. bieblii\i0{}>,2<with scales
and hairs> 139,3 155,2 162,3 168<southern Peru> 169,3 172,3 173,4 175,9
178<pygmaeoc> 
 
# Quiabentia <Britton & Rose>/
6,1 7,1-2 8<more or less>,3/- 9,2 13,1 20,1<the generally whorled
branches readily detaching> 23,1 24<small>,2/3 26,1 27,3 30<shorter than
the main stems> 32,5 33,2 38,2 40,2 45,2 51,2 52,1 55,1/4 56,1 57,1
60<white>,1 63,1<and slender subsidiary spines> 64,1 65,3 66<1-many>
67<from "short" to 7 cm long> 68,2 73<short> 77<white> 78,1<subsequently
deciduous> 79,2-3<1-7 cm long> 80,2<broadly ovate or obovate to almost
round, pointed or apiculate> 81<fairly>,1<with no midrib> 84,2
88<subterminal to>,1 89,1 90,5 92,1 93,2-3 94,1.5-4 96,1 99,3 100,2
103<bearing leaflike scales subtending areoles with glochids and spines>
104<lacking, the receptacle not produced beyond the ovary> 113<showy,
rotate> 114,6/7 117,2 118,1 121,2<inserted a the base> 127,3 130,2 134,1
136,3 138,1<? - smooth, terete> 139,3 142,1 144,2<?> 147<large, covered
with the bony aril>,1 148,3 152<round,>,2 155,1 162<fleshy,>,1 168<arid,
at lower altitudes in Bolivia, Paraguay and northwest Argentina> 169,3
172,2 173,2 174,2 176<cf. Hunt (1967)> 178<quiabent> 
 
# Rauhocereus <Backeb.>/
2<\i{}Browningia\i0{}, cf. Hunt (1967)> 8,1 9,2 13,1 14<bluish green,>,6
15,8-15 20<mostly basally much>,1 23,1 24,2 26,1-2<often thicket
forming> 27,4 28,1 30,2 32<and branches spiny,>,5 33,2 35,8-15 38,2 40,1
41,5-6 42,2 44,1 45<more or less>,1<the tubercles weakly flattened> 49,1
50,2 51,1 52,1 55,2 56,1 57,1<many faceted> 61,1 64,1 65,2/3 66,(2-)6-8
67,0.1-5 68,1/2<then the uppermost longer> 75,1/2<varying in length and
thickness> 77<initially reddish below and yellowish distally, becoming
greyish white> 78,3 84,1 88,2<towards the stem tips> 89,1 90,2-3 92,1
93,4 94,8-10<and to 5 cm in diameter> 96,1 99,1 106,2 107,1<these
numerous, small, broad, acute> 109<with curly brown hairs,>,2 110,2
114,2 115,1-2 117,2 123<and style>,2 136,2 137,6 140,1 142,1 144,2<?>
146<small> 147,3 149,2 155,2 159,1 160,2&8<? - "shallowly tuberculate
with tiny pits"> 162,3 168<northern Peru> 169,3 172,1<\i{}R.
riosaniensis\i0{}> 173,4 175,9 178<rauhocer> 
 
# Rebutia <K. Schum.>/
3<\i{}Aylostera\i0{} Speg., \i{}Bridgesia\i0{} Backeb.,
\i{}Cylindrorebutia\i0{} Fric & Kreuz., \i{}Digitorebutia\i0{} Fric &
Kreuz., \i{}Echinorebutia\i0{} Fric (nom. inval.), \i{}Eurebutia\i0{}
Fric (nom. inval.), \i{}Gymnantha\i0{} Y. It, \i{}Mediolobivia\i0{}
Backeb., \i{}Mediorebutia\i0{} Fric (nom. inval.),\i{} Neogymnantha\i0{}
Y. It, \i{}Reicheocactus\i0{} Backeb., \i{}Setirebutia\i0{} Fric &
Kreuz. (nom. inval.), \i{}Spegazzinia\i0{} Backeb.,
\i{}Sulcorebutia\i0{} Backeb., \i{}Weingartia\i0{} Werderm.> 6,1
8,1<rarely, e.g. some \i{}Mediolobivia\i0{} spp.>/2<usually, sometimes
tap-rooted> 9,1/2<rarely> 13,1 14,2/5 16,1-2 20<usually basally
freely>,1<from the base>/3 23,1 26,1/2 27,0.01-0.3 32,2/5 33,2/4 38,2
40,2/1-2<i.e., the ribs poorly developed, or absent> 42<if present,>,2
45<at least usually>,1 49,1-2<then replacing them, e.g.
\i{}Mediolobivia\i0{} spp.> 50,1 51<more or less>,1/2 56,1 57,1<round or
elliptic to linear> 58,2 61,2 64,1<but usually "bristly"> 65<or
bristles>,3/- 66,(3-)7-20(-40)/- 67,0.05-2(-5)/- 68,1-2/- 73<weak,
usually bristly> 78,3 84,2 87,1/2 88,2 89,1<but often numerous>
90,2<with a slender tube> 92,1<but appearing stalked in
\i{}Aylostera\i0{}> 93<usually fairly>,2-3 94,1.5-5 96,1 99,1-2
103<slender, often curved, naked or sometimes with numerous small scales
naked or hairy in their axils, the lower part solid in
\i{}Aylostera\i0{}> 104<cf. the pericarpel> 106,1/2 107,1/2 109,1/2
110,2 114,4-5<mostly>/6/8 117,2 118,1/2/4 121,2<inserted in the throat
and tube> 124,2<in a single series> 135,3-7<or rather, 3-7 mm in
diameter in the pitifully small sample recorded> 136<sub->,1
138,1/2<then with small scales> 139,3 140,1/2 142<small, thin walled,>,2
144,2 146<minute> 147<with truncate basal, often strophiolate hilum,>,3
149<semi-elliptic> 155,2 156,1/2 159,1 160,5-6/1&5&6<i.e., verrucose or
wrinkled, often distally papillate> 162,3 168<eastern Andes and adjacent
hills of Bolivia and northwestern Argentina> 169,3 172<about>,40 173,4
175,9 176<cf. Hunt (1967)> 178<rebutia> 
 
# Rhipsalis <Gaertn.>/
3<\i{}Cassytha\i0{} Mill., \i{}Erythrorhipsalis\i0{} A. Berger,
\i{}Hariota\i0{} Adans., \i{}Lymanbensonia\i0{} Kimnach> 8,1 9,2
13,1<very rarely>/2 14<usually>,6/- 18<nearly always>,2/5<rarely> 19,1
20<mostly profusely>,1 21,1<rarely>/2 22<when present,>,1
23,3<usually>/2 24,2 33<sometimes very slender, variously>,1/2<mostly>/5
38<variously>,1 39<often>,1<the segments originating singly or in
clusters at the tips of older segments> 40,1/2 42<when present,>,2
44<relatively>,1 45,2/1-2<i.e., when flat and notched> 51<usually>,2
52,1<sometimes absent terminally> 55,1/3 56,1 57,1 61<sparsely>,1 62,1/2
64<nearly always>,2/1<in that the numerous, minute areoles of
\i{}Erythrorhipslis\i0{} are furnished with bristle-like spines> 78,2/3
79<when present,>,1 80,3<minute scales> 84,1&2<not closing at night>
88,1<sometimes>/2 89,1<usually>/2 90,5 92,1 93,2-3 94,0.2-2 96,1 98,1/2
99,2/3 100,1/2 101,1/2 102,2 103<round in cross section, usually naked
but sometimes with small scales or areoles, rarely with soft bristles>
104<ornamented like the pericarpel?> 106,1/2 107,1/2 109,1/2 110,2
114,2<usually>/7 117,2 123,2 128,1 134<short,>,2 135<small>
136<usually>,1 137<"white or coloured"> 138,1/2<then with small scales
or setose areoles> 139,1 140,2 142,1<berry-like> 144,2<?>
147<reddish>,2-3 149<oblong> 154,1<viscid> 155,2 157,3 158,1
160<minutely>,6/10 161<slightly>,2/1 162,3<short, acute, the hypocotyl
green and fleshy> 164<commonly>,1<in various arrangements, often in the
angles> 168<mainly eastern Brazil, but throughout tropical America and
the Caribbean, and also represented in tropical Africa, Madagascar and
Sri Lanka> 169,3&4&6&8&9 172<about>,36 173,4 175,8 176<cf. Hunt (1967)>
178<rhipsali> 
 
# Samaipaticereus <Crdenas>/
2<?\i{}Corryocactus\i0{}, cf.Hunt (1967)> 4<\i{}Yungasocereus\i0{}> 6,1
8,1 9,2 13,1 14,6 15<to>,8 20<much>,1 23,1 24,3 25,1 27,2-4 28,1
32,5<the low trunk to 15 cm. in diameter> 33,2 35<to>,8 38<distantly>,1
39,2 40,1 41,4-6 42,2 44,1 45,2/1-2<i.e., the ribs notched, or thickened
around the areoles> 49<if recognised as such,>,1 50,2 51,1-2
52<fairly>,1 55,2 56,1 57,1 58,2 60<with greyish-brown felt at first>
64,1 65,3 66,4-6<? - "usually about 5"> 67,0.2-1.5 68,2<but often with
one longer than the rest and pointed downwards> 75<all very thin in
juveniles> 77<greyish> 78,3 84,1&2 88,2<borne in series along distal
parts of the stems> 89,1 90<narrowly>,2<slightly curving upwards, not
opening wide> 92,1 93,3-4 94,4.5-5 96,1-2 99,1 103<with long scales,
short hairs and a few short brown bristles> 104<ornamented like the
pericarpel> 106,2 107,1<these long> 109,2<with short brown bristles>
110,2 111,1 114,2/7<?> 115,1-2 136<truncate->,1/- 137,6/10
138,2<tuberculate>/- 139,3 140,1 142<somewhat>,1-2 144,1
145,1/2<lengthwise, to reveal reddish-orange pulp> 155,2 162,3
168<Bolivia, Peru> 169,1 172,1-2<\i{}S. corroanus\i0{}> 173,4 175,9
178<samaipat> 
 
# Schlumbergera <Lem.>/
1<Christmas cactus, Easter cactus> 3<\i{}Epiphyllanthus\i0{} A. Berger,
\i{}Epiphyllum\i0{} Pfeiff., \i{}Opuntiopsis\i0{} Knebel (nom. inval.),
\i{}Cryptocactus\i0{} K. Schum., \i{}Zygocereus\i0{} Fric & Kreuz.
(orth. var.), \i{}Zygocactus\i0{} K. Schum.> 8,1 9,2 13,1/2 18,2/3/5
19,1 20<much>,1<often dichotomously, but irregularly in
\i{}Epiphyllum\i0{}> 21,1<usually, at least on distal parts of the
branches>/2<\i{}S. microsphaerica\i0{}> 22,1-2 23,2/1/3
33,1/1&2<sometimes becoming cylindrical and woody with age> 35<in \i{}S.
microsphaerica\i0{},>,2-5 36<where flat,>,0.2-4.5 38,1<usually into
cladodes, these 1.5-7 cm long> 39<seemingly>,1 40,2 45,1-2<the tubercles
when present represented by serration or crenation of the margins> 50<if
thus interpreted,>,1/2/3/4 51<only dubiously>,1/2 52,1&3<with composite
terminal flowering areoles> 53,1 55,1/3/3&4<the sterile ones in
\i{}Epiphyllanthus\i0{} scattered over the surfaces of the joints,
\i{}Opuntia\i0{}-like, in others confined to the crenate or serrate
margins, and the flowering ones always composite and terminal on older
segments> 56,1 57,1 58,1<being terminal and composite> 61,2 62,1/2
64,1/2<short and bristle-like, or stiffening with age> 65<when
present,>,1-3 66,(0-)1-80 78,3 84,1&2 85<in at least some species>,3
88,1 89,1 92,1 93,3-4 94,5-9 96,1-3<radially to strongly bilaterally
symmetrical> 99,1 103<mostly naked, with ornamentation grading into the
tube> 104<with petaloid scales, the mouth straight or oblique, produced
from the receptacle which is terete or ribbed around the ovary and
mostly naked below> 106,2 107,1<these petaloid> 110,2 112,2/3/4
114<varying widely in colour,>,2/4/5/6-7/8 120<numerous> 121,2 123<(and
style)>,2 124,1 125,1&2<with a distinct inner series united basally to
form a short tube around the style enclosing the nectar chamber>
136<ribbed to winged in cross section,>,1/5 137,1/2/3/6 140,1/2
142<berries,>,1 144<green, yellow, white or red>,2 146,1 147,2-3
149,2<"oval">/5 155,2 157,3 158,1 159,1 160<minutely>,8/10 162,3
168<southeastern Brazil> 169,3 172,4-5<and hybrids> 173,4 175,8 176<cf.
Hunt (1967)> 178<schlumbe> 
 
# Sclerocactus <Britton & Rose>/
1<Fish-hook cactus, Hedgehog cactus> 2<\i{}Thelocactus\i0{}, cf. Hunt
(1967)> 3<\i{}Ancistrocactus\i0{} Britton & Rose, \i{}Coloradoa\i0{}
Boissev. & C. Davidson, \i{}Glandulicactus\i0{} Backeb.,
\i{}Toumeya\i0{} Britton & Rose> 8,2 9,1 10,1/3 13<very>,1<with more or
less interlacing spines> 14<small,>,1/2/3/5 15,(1-)2-9(-15)
16<ocasionally flat topped, but>,2 17,3 20,2<mostly>/3 23,1
26,1<mostly>/2<occasionally> 27,(0.01-)0.02-0.27(-0.4) 38,2 40,1-2
41,10-17 42,1/1&2<sometimes straightening below> 45,1 47,1 48,1 49,1-2
50,1<initially>/2 51,1/2 52<relatively>,1 54<commonly>,1/2 55<mostly>,1
56,1 57,2<more or less extended beyond the spine-bearing part, the
tubercular groove often with nectar glands> 61,1<at first>/2 64,1 65,3
66,2-20 67,0.3-4.5(-8.5) 68,1<the (0-)1-6 centrals to 9 cm long, the
2-11 radials to 6 cm> 69,0-11 71,2-18 74,1/2 75,1&3/2&3/1&2&3<usually
with one or more of the radials hooked> 78,3 84,2 87,1-2 88,1<arising
near the stem tips> 89,1 90,3/2-3 92,1 93,3 94,(1-)2-6 96,1 99,1 100,1
106,1 107,2 110,2 114,1/2/3/4/6/7/8 117,2 123,1 135<in the small sample
recorded,>,0.6-1.5 136,2/3/4/7 138<usually>,2<scaly> 139,3 140,1 142,1-2
144,1<by various means>/2 145<if dehiscent, "by various means">
147<blackish>,2-3 149,2<? - "broadly oval"> 151,1/2 155,2 159,1/2
160<with some surface patterning> 162,3 168<North America and Mexico>
169,1&2 172,14 173,4 175,2 178<scactus> 
 
# Selenicereus <(A. Berger) Britton & Rose>/
1<Night-blooming cactus, Moonlight cactus> 3<\i{}Cryptocereus\i0{}
Alexander, \i{}Deamia\i0{} Britton & Rose, \i{}Marniera\i0{} Backeb.,
\i{}Mediocactus\i0{} Britton & Rose, \i{}Strophocactus\i0{} Britton &
Rose, \i{}Strophocereus\i0{} Fric & Kreuz. (orth. var.)> 8,1 9,2 13,1/2
18,2/3/4/5 19<usually>,1 20,1 21,1<in \i{}S. wittii\i0{} and seemingly
in \i{}S. anthonyanus\i0{}>/2 22<when present,>,1/2 23,2/3 33<usually
slender, rarely>,1<\i{}S. wittii\i0{}>/2/5<or ribbed, or winged>
34,100-800 35<when cylindric,>,0.8-5(-8) 36<when flat,>,7-15 38,1 39,2
40,1/2 41<or wings>,2-12 42<when present,>,2 44,1 45,2/1-2<with rib
notches interpreted as representing tubercles> 49,1 50,2
51<scarcely>,1/2 52,1 55,2/3 56,1 57,1 60,1/2 61,2 62,1/2 64,1<these
short, bristly, hairlike or rarely acicular>/2<rarely> 65<when
present,>,2/3 66,1-18 67,0.1-1.5(-2) 68,1<rarely>/2 78,2/3<?>
84,1<mostly>/2<e.g., in \i{}Deamia\i0{}> 88,2 89,1 90,2/6 92,1
93<usually>,4/5 94,(4-)12-39 95,1/2 96,1 99,1 100,2 101,1 102,1/2
104<elongate, bearing small scales and areoles with hairs, bristles or
spines crowded in the region of the ovary but more distant above> 106,2
107,1 110,1/2 112,1/2/3<?> 114,2/4/11 116,2 117,1/2 118,2/3/4
120<numerous> 121,2 123,2 124,2<inserted in a broad zone in the tube and
encircling the throat> 127,3<the style elongate and exserted, with
numerous stigma-lobes> 135,6-8 136,1/2/3 137<usually>,6 138,2<with
persistent tufts of hairs, bristles or spines> 139,1/3 142,1 144,2 147,3
149,2/4/5 155,2 157,3 158,1 159,1 160<minutely>,9 162,3 168<southern
United States, Mexico, tropical and sub-tropical South America, West
Indies> 169,1&2&3&4 172<about>,28 173,4 175,5 176<cf. Hunt (1967)>
178<selenice> 
 
# Stenocactus <(K. Schum.) A.W. Hill>/
2<\i{}Echinofossulocactus\i0{}, cf. Hunt (1967)>
3<\i{}Echinofossulocactus\i0{} Britton & Rose, \i{}Efossus\i0{} Orcutt
(orth. var.)> 8,2 9,1 13<very>,1 14,1-2/5 15,4-12 16<somewhat>,1-2 17,3
20,2 23,1 25<small> 26<usually>,1 27,0.04-0.12 38,2 40,1
41,(10-)20-60(-120) 42,2<sometimes wavy> 43<acute> 44,2
45,1<sometimes>/1-2/2 49,1 50,2 51,1/1-2<then with rib notches or
thickening associated with the areoles> 52<few on each rib,>,1<widely
spaced> 55,2 56,1 57,1 64,1 65,3 66,3-15(-26) 67,0.4-5(-8) 68,1<more or
less: in two series, the upper of large, often dagger-like members, the
lower representing the radials>/- 74,2 75,1/2<sometimes curved upwards>
78,3 84,2<?> 88,1 89,1 90<shortly>,2-3 92,1 93,2-3 94,1.5-4<where
recorded> 99,1 100,2 101,1 102,2 103<with scales and naked aeoles> 106,2
107,1 109,2<with naked areoles> 110,2 114,2&7/2&11<white with brownish
or pinkish mid-veins> 117,1/2 118,2/4 123,1 128,1/3 136<usually>,1
137<pale>,2 138,2<usually slightly scaly> 139,3 142,2 144,1 145,1<"along
one side"> 146,1.4 147,2-3 149<broadly oval> 152,3 155,2 159,1 162,3
168<northern and central Mexico> 169,2 172,10 173,4 175,2 178<stenocac> 
 
# Stenocereus <(A. Berger) Riccob.>/
2<\i{}Lemaireocereus\i0{}, cf. Hunt (1967)> 3<\i{}Hertrichocereus\i0{}
Backeb., \i{}Isolatocereus\i0{} Backeb., \i{}Isolatocereus\i0{}
(Backeb.) Backeb., \i{}Machaerocereus\i0{} Britton & Rose,
\i{}Marshallocereus\i0{} Backeb., \i{}Neolemaireocereus\i0{} Backeb.,
\i{}Rathbunia\i0{} Britton & Rose, \i{}Ritterocereus\i0{} Backeb.> 8,1
9,2 13,1 14,6 18,1/3 20,1 23,2/1<or arching> 24<low>,2<sometimes
creeping or forming thickets>/3 25,1/2 27,1-15 28,1/2 30,1<sometimes
candelabra-like, with a well defined trunk>/2 33<green, stout,>,2 38,2
40,1 41,(4-)5-12(-19) 42,2 44,1 45,1/2 49<when present,>,1 50,2 51,1/2
52<usually fairly>,1 55,2 56,1 57,1 61,1 64,1 65<usually heavy,>,3
66,3-26 67,0.2-5(-6) 68,1<usually>/2 69<when determinable,>,0-12 71,2-18
75,1/2 78,3 84,1<mostly>/2 88,2 89,1 90<slender>,2/1/3 92,1 93,3-4
94,4-14 96,1-2/3<\i{}Rathbunia\i0{}> 99,1 102<usually>,1 103<with
numerous areoles, usually spiny> 104<ornamented like the pericarpel>
106,2<with numerous areoles> 107,1 109,2 110<usually>,1 111,1
114<somewhat>,7/2 116<short,>,2 117,2 118,1/2 135,2.5-6 136,1/2 138,1/2
139,1/3<the spines usually deciduous> 140,1-2<these usually deciduous>
142,1 144,1/2<?> 146<large> 147,3 155,2 159,1 160<usually>,10 162,3
168<arid southwestern United States, Mexico, Central America, Venezuela,
Colombia, Caribbean> 169,1&2&3&4 172<about>,23 173,4 175,7 178<stenocer>
 
# Stephanocereus <A. Berger>/
2<?\i{}Cephalocereus\i0{}, Hunt (1967)> 8,1 9,2 13,1 14,2-3<at first,
then becoming bottle-shaped>/5-6<when mature>/- 17,1/2<initially
apically, cephalium becoming ringlike and alternating with vegetative
growth in \i{}S. leucostele\i0{}, apical in \i{}S. luetzelburgii\i0{}>
20,1<occasionally branching basally>/2 23,1 24,2/3 27,1-5 28<at least
ultimately>,1 32,5 33,2 38<unequally>,1/2 40,1 41,12-20 42,2 43<low>
45,2 51,2 52,1-2 55,2 56,1 57,1 58,1<being densely long-hairier and
bristly> 60<very white-> 64,1 65,3 66,15-25 67,0.5-4 68,1<the stout,
white to golden centrals 3-4 cm long, the 15-20 radials 0.5-1.5 cm long>
69,1-5 71,15-20 75,1 78,3 88,2/1&2<sometimes borne in older cephalia, as
well as clustered in the apical one> 89,1 90,1/2/3 92,1 93,3-4 94,2.6-7
96,1 99,1 103<with a scattering of small scales, the areoles naked or
with some white wool> 104<ornamented like the pericarpel> 106,2
107,1<small, scattered> 109,1/2<then woolly> 110,2 114<slightly>,7/2
116<parts short,>,2 135,2.5-5 136,2-3 137<purplish>,2/8 138,1 139,3
140,1<these blackening> 142,1/2<?> 144,2 146<large> 147,3 149,3/4 155,2
157,2 160,2 162,3 168<Brazil> 169,3 172,2 173,4 175,4 178<stephano> 
 
# Stetsonia <Britton & Rose>/
6,1 8,1 9,2 13,1 20,1 23,1 24<massive,>,3 25,1<the thick trunks bearing
numerous erect or somewhat arching branches> 27,5-8 30,1<thinner than
the trunk> 31,1 32,5 33,2 35,9-10 38<usually>,2 40,1 41,8-9 42,2 44,1-2
45,2 51,2 52,1 55,2 56,1 57,1 58,2<?> 64,1 65,3 66,8-10 67<about>,1-5
68,1<the central, erect one to 5 cm long, the spreading radials to 3 cm
long> 69,1 71,7-9 73<heavy,>,1 75,1 76,2 77<yellow, blackening> 78,3
84,1/1&2 88,2 89,1 90,2 92,1 93,4 94<to>,15 96,1 99,1 103<with scales>
104<elongate> 106,2 107,1<these numerous, broad, imbricate> 109,1 110,2
114<pale>,7/2 115,1 117,2 118,1-2 121,2<inserted in the tube> 136,2
137,2/6<-ish> 138,2<with numerous scales> 140,2 142,1<edible> 144,2<?>
147<with a broad lateral hilum,>,2 149<curved->,5<in outline> 150,1
155,2 157,2 162,3 168<high arid northwestern Argentina, Bolivia and
Paraguay> 169,3 172,1<\i{}S. coryne\i0{}> 173,4 175,1 176<cf. Hunt
(1967)> 178<stetsoni> 
 
# Strombocactus <Britton & Rose>/
6,1 8,2 9,1 13,1 14,1-2 15,2.5-9 16,1-2 17,3 18,6 20,2/3 23,1
26,1<mostly>/2 27,0.02-0.12 38,2 40,2 45,1 46<imbricate, somewhat horny,
flattened above and keeled below> 47,1 48,1 49,2 50,1 51,1 52,1 55,1
56,1 57,2 64,1<"bristle-like">/- 65,1-3<ephemeral> 66,1-4 68,2 75<mostly
erect,>,1/2<?> 77<greyish basally, dark tipped> 78,3 88,1 89,1 90,2 92,1
93,3 94<2-3.2 cm in diameter> 96,1 99,1 103<with small scales grading
into sepal-like perianth parts> 106,1/1-2 110,2 114,3/6-9 117,1-2 118,2
123,1 136<elongate> 138,2<scaly> 139,3 140,1 142,1-2 144,1
146,0.3-0.7<0.2-0.4 mm in diameter> 147,2 149<somewhat>,4 151,1<this
large, white> 155,2 162,3 168<Mexico, at high elevations> 169,2
172,1<\i{}S. disciformis\i0{}> 173,4 175,2 176<cf. Hunt (1967)>
178<stromboc> 
 
# Tacinga <Britton & Rose>/
6,1 8,3 9,2 13,1/2 18<creeping or>,3/4<weakly>/1 20<shrubby,
moderately>,1<without dimorphic branches> 21,1-2 22<when present,>,2
23,2-1 24,2 26,1/2 27,0.5-5 30,1/2 31,2 32<trunk, when present>,5
33,1<obovate or elliptical,>/2 37<when flattened,>,2 38,1/2
40,2<sometimes with faint ribs linking the areoles> 42<when present,>,3
45,2 51,1-2<i.e., sometimes on slight protuberances> 52,1 55,1/1&3/4
56,1 57<small,>,1 58,2 60,1<with long hairs> 63,1<these caducous,
sometimes minute> 64,1/2 65<when present,>,2/3<soon deciduous>
66,2-3(-6) 67,0.2-0.3 68,2 78,2 79<abortive,>,1-2 80<caducous>,2 81,2
84,1&2 88,2<when arising close to the apex, not actually terminal> 89,1
92,1 93,3-4 94,3-10 96,1 99,1 104<elongated and gradually dilated beyond
the ovary, thick, stemlike, persistent> 106,2 107,1<these tiny>
109,2<with areoles and glochids> 110,2 113<members erect or reflexing>
114,4-5/6 121,2 122,1 123,2 125,1<reuniting above to form a tube through
which the pistil protrudes, the erect anthers surrounded by perianth
hairs> 126,12<with very small spines and perforations> 135,2.2-5.5
136,3<with a deep umbilicus> 137,2/1/5<-ish>/6<-ish> 138,1<?>/2
139,1/2/1&2/3 140,2 142,1 144,2<?> 146,3-4 147,1<-ish> 148<i.e., the
funicular envelope, very>,1 149,1<sub-globose>/4 152<slightly
laterally>,1 155,1 162<fleshy,>,1 168<eastern and northeastern Brazil>
169,3 172,5 173,2 174,3 176<cf. Hunt (1967)> 178<tacinga> 
 
# Tephrocactus <Lem.>/
2<\i{}Opuntia\i0{}, cf. Hunt (1967)> 3<\i{}Pseudotephrocactus\i0{} Fric>
8,3 9,2 13,1 20<characteristically>,1<terminally or subterminally, so
that the shoots stand in vertical rows> 21,2 23,1 24<small,>,2
27,0.1-0.3 33<(segments)>,2/3/4 34,2.5-10 38,1 40,2 45,1/1-2<sharply
delimited or not> 49,2 50,1 51<at least fairly convincingly>,1 52,1 55,1
56,1 57,1<numerous per segment, sunken into globose or pyriform cavities
with small openings> 58,2 60,1 63,1 64,1<usually>/2 65<when
present,>,1-3 66,1-15 67,0.5-15 68,2 78,U<!> 84,2 88,1 89,1 92,1 93,3-4
94,3-4.5 96,1 99,2-3<?> 100,2 101,1<?!> 102,2 103<with spineless
areoles> 114,2/4/6/7 117,2 127,3 133<circinotropus,>,4 134,1 138,1<?>/2
139,1/2/1&2/3<sometimes bristly> 142,2 144,1 146,2.5-9.5 147<variable in
size, with glabrous funicular envelopes and stongly protruding funicular
girdles comprising thin walled cells, yellowish>,1-2 148,3 153,2 155,1
162<fleshy,>,1 167,2 168<Argentina> 169,3 172,6 173,2 174,5
178<tephroca> 
 
# Thelocactus <(K. Schum.) Britton & Rose>/
3<\i{}Hamatocactus\i0{} Britton & Rose, Thelomastus Fric (nom. inval.)>
8,1/2 9,1/2 13,1<sometimes fiercely so> 14,1<sometimes depressed>/2/5-6
15,2-20 16,1/2 17,2 20,2/3 23,1 26,1/2 27,0.03-0.25 28,1/2 38,2
40,1-2<i.e., the ribs low, often weakly defined> 41,7-20 42,1/2
44,2<usually>/1 45,1<usually>/2 46<when present, rounded-terete to
conical gibbous or nipple-like, usually shortly grooved ventrally from
the terminal areoles> 47,1 48,1 49<more or less>,1/2 50,1/2
51,1<usually>/2<\i{}T. setispinus\i0{} only> 52,1 55,1/2 56,1 57,1<round
to elongate, nearly aways borne at the tips of tubercles> 59,1/2
64,1<nearly always>/2 65<when present,>,1/3 66,1-25 67,0.3-6 68,1<the
radials straight, 3-36 mm long, radiating or sometimes pectinately
arranged, the centrals stronger, 5-60 mm long, straight, curved or
hooked, rarely flattened and papery, porrect or ascending, rarely
absent> 69,0/1-5 71,1-25 73,1/2/1&2 74,1/2 75,1/2/3<in one species only>
76,1/2/1&2 78,3 84,2 87,1 88,1<borne on young areoles> 89,1 90,2/3 92,1
93,3-4 94,2.5-6.2<and 2-8 cm in diameter> 96,1 99,1 103<scaly>
104<rather stout> 106,2 107<at least above>,1<these broad, thin,
scarious-margined> 109,1/2<then sparsely hairy> 110,2 112,2/3/4<?>
114<usually brightly coloured,>,2/4/6/7<or in combinations> 117,2
118,1/2 120<numerous, inserted in the tube and clustered around the
style> 123,1 128,3 135,0.6-3 136,1/2/3 137,2/6 138,2<scaly> 139,3 140,1
142,2 144,1<via a basal pore>/2<\i{}T. setispinus\i0{} again the
exception> 145<when dehiscent,>,3 146,1-2.3<and 0.5-1.7 in diameter>
147<pyriform, warty or with tesselate ridges,>,3 149,4 155,2 160<with
tesselate ridges or>,5/- 162,3 168<Texas, northern and central Mexico>
169,1&2 172<about>,12 173,4 175,2 176<cf. Hunt (1967)> 178<thelocac> 
 
# Tunilla <D.R.Hunt & Iliff>/
2<\i{}Opuntia\i0{}> 8,3 9,2 13,1 18,1/6<almost> 20,1<often forming
cushions, looking like small clusters of platyopuntias> 21,1-2 22<when
present,>,2 23<low growing,>,2-1 26,2 33<(segments) more or less>,1/4/5
34,(1-)2.5-8 38,1 40,2 45<more or less>,1-2 49,2 50,1/1&3/4 51,1-2
52,1<1-2 cm apart> 55,1/1&3/1&4 56,1 57,1 58,2<?> 60<white to brown>
63,1 64,1/2<\i{}T. silvestris\i0{} only> 65,2-3 66,(0-)2-12<or more? -
"usually numerous"> 68,2 73<from less than 1 cm to 7 cm long,very
variable in morphological details, only sometimes acicular> 75,1/2<often
bent backwards> 78,1/2/3<? - oh, dear> 84,2 87,1 88,2 89,1 92,1 93,3
94,4-6<long, where recorded ... > 96,1 99,1-3<?> 100,2 101,1<?!> 102,1/2
103<spiny or bristly, sometimes tuberculate> 114,2/4/6/9 123,1 142<thin
walled,>,1 144,1 145,1 146,2.5-4.5 147<having the funicular envelope
soft and "almost glabrous"> 149<irregularly>,4 152<laterally>,1
154,1-2<reduced> 155,2<the funicular envelope soft> 160,6
162<fleshy,>,1 168<southern Peru, Bolivia, Chile, northwestern
Argentina> 169,3 172,9 173,2 174,3 176<Only very poor descriptions seen
....> 178<tunilla> 
 
# Turbinicarpus <(Backeb.) Buxb. & Backeb.>/
1<Top cactus> 2<\i{}Strombocactus\i0{}, cf. Hunt (1967)>
3<\i{}Gymnocactus\i0{} Backeb., \i{}Normanbokea\i0{} Kladiwa & Buxb.,
\i{}Rapicactus\i0{} Buxb. & Oehme> 8,2 9,1 13,1 14,2<mostly, to
top-shaped>/5 15,(1-)2-9(-20) 16,1-2 20<mostly>,2/3 23,1 26,1/2
27,0.05-0.16 38,2 40,1/2 42<when present,>,1 45,1 46<mostly low but
sometimes prominent and rounded or conical> 47,1 48,1 49,1-2 50,1
51,1<borne at their tips> 52,1 55,1 56,1 57,2 61<often>,1 64,1 65,1-3
66,2-36(-50) 67,0.1-3 68,1/2<sometimes lacking centrals> 69,0-3(-5)
71,1-20(-50) 73<usually>,2 74,2 78,3 84,2 88,1 89,1 90<shortly>,2 92,1
93,2-3 94,0.7-3.8 96,1 99,1/2<?> 103<"naked or with only a few scales
above"> 106,1/2 107,1/2 109<if present,>,1 110,2 114,2/4/6/7/8 117,2
118,2/4 120<numerous> 121,2<inserted in the tube and throat> 135,0.4-1.8
142<berrylike>,1 144,1 146,1-1.5 147<with a large hilum,>,3 155,2 160,5
162,3 168<northerm Mexico> 169,2 173,4 175,2 178<turbinic> 
 
# Uebelmannia <Buining>/
2<\i{}Parodia\i0{}> 8,2 9,1 13,1 14,2/5 15,6-15 16,1 17,3 20<nearly
always>,2 23,1 26<usually>,1 27,0.08-0.75(-1) 38,2 40<strongly>,1
41,18-40 42,2 43<sharp> 44,1-2 45,1-2 49,1 50,2
51<initially>,1/2<subsequently> 52<almost>,3/2 55,2 56,1 57,1 64,1
65,2-3 66,2-8 67,0.5-2 68,1/2<in \i{}U. pectinifera\i0{}> 69<when
determinable,>,1/4 70,1/2 71,2-4 75,1-2<erect to spreading or pectinate>
78,3 84,2 88<more or less,>,1-2<subapical> 90,2 92,1 93,2-3 94,1.5-2.7
96,1 99,1/2<?> 103<having areoles with dense wool and a few bristles>
104<ornamented like the pericarpel> 106,2<with woolly areoles> 110,2
114,4 117,2 135,0.8-2.5 136,1/3<cylindrical>/5 137,3/6 138,2<with wool
and bristles distally but naked below> 140,2 142,2<thin walled and dry
at maturity> 147<reddish>,2-3 149<"cap-shaped"> 155,2 157,2 159,1
160,2/10 162,3 168<Brazil> 169,3 172,3 173,4 175,4 178<uebelman> 
 
# Weberbauerocereus <Backeb.>/
2<\i{}Trichocereus\i0{}, cf. Hunt (1967)> 3<\i{}Meyenia\i0{} Backeb.>
6,1 8,1 9,2 13,1 17,3 18<sometimes>,2/1<mostly> 20,1<basally or above>
23,1 24<large,>,2-3 25,1/2 27,2-6 28,1 32,5 33,2 35,4-15 38,2 40,1
41,10-35 42,2 43<blunt> 45<ultimately>,1/1-2<ultimately notched>
46<obtuse> 49<when detectable,>,1 50,2 51,1-2 52,1 54,1/2 55,2 56,1 57,1
61,1 64,1 65,3<often stout> 66,15-60 67,0.4-7 68,1<the centrals
longer>/2 69<when determinable,>,1-12(-15) 71,10-30 78,3
84,1<mostly>/1&2<?> 88,2 89,1 90,1-2 92,1 93,4 94,7.5-12
96,1-2<sometimes bilaterally symmetrical> 99,1 103<densely covered with
scales and hairs> 105,1 106,2 107,1<covering it> 109,2<with dense wool>
110,2 114,2/2&7/6/11<-ish> 135,3-4 136,1/2/3/7 138,2<covered with hairs>
142,1 155,2 162,3 168<northeastern Andean hinterland of southern Peru,
northern Chile> 169,3 172<about>,10 173,4 175,9 178<weberace> 
 
# Weberocereus <Britton & Rose>/
3<\i{}Eccremocactus\i0{} Britton & Rose, \i{}Eccremocereus\i0{} Fric &
Kreuz. (orth. var.), \i{}Werckleocereus\i0{} Britton & Rose> 5,1 8,1 9,2
13,1/2 18,2/5 19,1<usually>/2 20,1 21,1<with distally flattened
branches>/2 22<when present,>,2 23,2/1/3 24<arching or climbing,>,2
33,2/5/2&5/1&5/1&2<often round basally and angled-cylindrical or
flattened distally> 34<(where recorded)>,40-300 35,0.6-15 38,2 40,1
41,2-5 42,2 43<with lobed or toothed margins> 44,1 45,1-2<depending on
interpretation of notched and lobed margins> 49,1 50,2 51,1-2 52,1 55,2
56,1 57<small,>,1 58,2 61,1/2 64,1/2 65<when present,>,1/2-3 66,(0-)1-40
67,0.1-1.6 68,2 75,1-2 78,3 84,1 88,2 89,1 90<shortly>,2-3 92,1 93,3-4
94,3-10 96,1 99,1 103<"bearing scales and areoles with bristles or hairy
spines"> 104<rather stout> 106,2 107,1 109,2<with hairy or bristly
areoles> 110,1/2<?> 112,2/3/4 114,7/2-3/1 120<numerous> 121,2
124<inserted in a zone above the nectar chamber, and in a circle around
the throat> 135,2-7 136,1/2/3 137,3/6 138,1/2<often tuberculate and/or
with spines or bristles> 139,1/3 142,1 144,2<?> 147,3 149,2 155,2 157,3
158,1 160<minutely>,9 162,3 168<southern Mexico, south through Central
America into Ecuador, and concentrated in Costa Rica> 169,2&3 172,9
173,4 175,5 176<cf. Hunt (1967)> 178<weberoce> 
 
# Yavia <R. Kiesling & Piltz>/
8,2 9,1 12,- 13<weakly>,1 14,1-2/3/5 15,1-2.5 16,1 17,1<in the
depression> 18,6<mostly comprising the tuberous root> 20,2/3 23,1 26,1/2
27,0.005-0.015 38,2 40,2<ribs being scarcely detectable along the rows
of areoles> 45,2 51,2<or scarcely so - the tubercles represented by mere
undulations> 52,1 55,2 56,1 57,1 60<whitish,>,1 64,1 65,3<flimsy, near
the apex, soon disintegrating or shed> 67,0.03-0.07<i.e., almost
microscopically small> 77<reddish brown> 78,3 88,1<? - cf.
\i{}Blossfeldia\i0{}> 89,1/2<?> 92,1 93,2-3 94<about 2 cm in diameter>
99,1<short and thick> 114,7 142<thin-walled,>,2 144,1 145,1/2<? -
"splitting from the base"> 155,2 162,3 168<around 3700m elevation in
borthern Argentina> 169,3 172,1<\i{}Y. cryptocarpa\i0{}> 173,4 175,6
176<no adequate description seen. Cf. \i{}Cintia\i0{},
\i{}Blossfeldia\i0{}, \i{}Weingartia\i0{}, \i{}Neowerdemannia\i0{}>
178<yavia> 
 
# Yungasocereus <F. Ritter (unresolved name)>/
2<\i{}Samaipaticereus\i0{}> 8,1 9,2 13,1 14,6 15,6-7 17,3 20,1 23,1
24,2-3 27,4-5 28,1 30,2 33,2 35,6-7 38,2 40,1 41,6-10 42,2 43<straight,
to 1 cm high, obtuse> 44,1 45,2<the ribs not horizontally notched, but
slightly thickened around the areoles> 51,2 52,1 55,2 56,1 57,1 64,1
65,3 66,4-12 67,1.5-3 68,2 73,1 75,1 76,2<acicular> 77<brownish to grey>
78,3 84,1&2 88,2<5-8, borne towards the stem tips> 89,1 90<narrowly>,2
92,1 93,3 94,5-6 96,1-2<slightly bilaterally symmetrical> 99,1
104<stout> 106,2 107,2 110<with short clusters of hairs only,>,2<no
bristles> 114,2 135,2-2.8 155,2 162,3 168<Bolivia, at about
2000 m> 169,3 172,1<\i{}Y. inquisivensis\i0{}> 173,4 175,9 178<yungasoc> 
