ICOSANDBIA. OtONOGYNIA. 
97 
a* JE, Langsdorffi Lehm. oblon- 
gns; costis 17 tuhercuiafis; siilcis acu- 
tatis; vertice piano laevissinio; iiodis 
approximatis prirno alho-iaJiatis; acu- 
leis 6 inaeqiialihus recurvis, medio 1 
lon^iore averse^ oininbus eburneis ri- 
gidis teuuibus. In Urdsilia, '^, Flo- 
les flavi. 
L 
12. E. polyacanthxts Link et Otto 
diss, t, 16, f, 1, ovalis glancescens; 
costis 21 obliisatis; spinis 8 paleiiti- 
I)us, 2 superioribus multo minoribus. 
In Brasiiia, "^. Caul. 4-poU. 
i3. E. tephracanthus Link et Otto 
diss, t.l4, f.2. globosus glancescens; 
cosiis 15 acutatis; f^pinis 10 tetiuibns 
pateiiUbus, 4 centralibiis majoribus. 
In Brasilia, '^. 1^ — 4 poll. 
14, E, ingetis Zttcc, gIoI)Osus vel 
Oblongus inferne atteiiuatns lignosus 
glaucescens in costis sordide piir- 
pureus 8-costatus; vertice laiiatissi- 
ino; coslis obtusis tuberculatis ; nodis 
lana aurea tectis; aculeis rufis stri- 
ctls rigidis exter. 8^ medio 1. In iUexj- 
€0, ■^. 5— 6-ped. Flores luteL 
16. E, pruinosus Otto; globosus 
5— 6-costatiis cinerexis subpruinosiis ; 
costis repaiidis ; nodis distantibus ci- 
nereo-tomentosis; aculeis strictis pri- 
Mo flavis apice fuscis deinum atri^', 
exter. 4 — 5, medio 1 vix longiore. Ce- 
reus roridus Hort. In Mexico, '^, 
16, E, acuutus Link et Otto diss, 
t, 23, subglobosus glaucescens; co- 
stis 20 acuatis; spinis 7 patentibus 
recurvis. In Montevideo, '^, Flos 
luteus. Trunc. 1^ unc. in diametro, 
17. E. cort/nodes h, herd, sub- 
globosus obscure viiidis IG-costatus; 
vertice retuso; cosfis crenatis; nodis 
juniorihus albo-Ianatis ; aculeis stri- 
ctis rigidis exter. 9 patentibus primo 
rubris demum fuscis , medio 1 arrecto 
fusco. E, acntangulus Zucc. E. Sel- 
lowianus rosace us Hort,. In Monte- 
video et Mexico, '^. 4 — G uuc. Flo- 
res sulpliurei. 
15, E. Sellowiamts Link et Otto 
diss, t, 22, dcpressus glaucescens; 
costis 10 acuatis; spinis 7 recurvis; 
3 cenlralibus multo majoribus. In 
Montevideo.'^, 2-poil. altus et 5-poll. 
crassus. Flores flavi. 
19, E, sessili/lorus h, angl, de- 
pressus obscure viridis; costis 2 ver- 
ticalibus creuatis circa nodoa crassio- 
ribus; iiodU aibo-tomcutosis; acoleis 
brevibus rigidis fuscis vel 4 crucialis 
vel 5^ quorum 2 superioribus minori- 
bns. In Amer, attstr^ '^. i\ unc. 
altus et 3| imc. lu diametro. Flores 
lutei. 
20. E, cornigerus DC. diss, t, 6* 
depressus glaucescens; costis 21 cre- 
natis; nodis distantibus ovalibus su- 
perne angustatis albentibus ; aculeis 
exlerioriiuis 6—10 teuuibus albis inter, 
5 crassis subulatis annulatis trans- 
verse striatis, medio 1 piano carinato 
arcuato. Cactus latispinns Haw, Me- 
loc. latispinus Hort. In Mexico et 
Guatimala. |j. Florea purpurei. 
21. E. recurvus Link et Otto diss, 
t, 20. subovalis glaucescens; costis 
14 acuatis; aculeis 9 patentibus sub- 
recurvis, centrali majore piano apice 
uncinato; infimo minimo. Cactus no- 
bilis Wind. C, recnrvns Haw. In 
Pernria. '^. 3 — 4 poll, longus et 2-^ 
3 poll, crassus. 
22. E. oxifptertis Zucc, oblongiia 
viridis; vertice subiiudo; costis 15 
valde acuatis subcrenatis; nodis di- 
stantibus oblongis dense lanatis; acu- 
leis exter. 8 patentibus aequalibus 
pungenlibus diapbano-flavis transverse 
striatis, medio majore inferne bruu- 
neo.. C. Hystrix DC. In Mexico. ■^. 
23. E. Echidne DC, depressus vi- 
ridis; xostis 13 inter nodos subcon- 
vexis; nodis 2 unc. distantibus ova- 
libus primo tomentosis; aculeis rigi- 
dis glabris substrictis flavescentibua 
exter. 7 patentibus^ medio 1 sublou- 
giore. In Mexico. ■^. Florea aurau- 
tiaci. 
24. E. Pfeifferi Zucc. ohlongo- 
globosus glauce-cens; costis 11 — 13; 
nodis approxiiiiatis olilongis flavo-to- 
mentosis; aculeis 6 rigidis patentibus 
substrictis transverse striatis pallide 
flavis inferne fuscis, medio subnullo* 
In Mexico,"^, i}^ ped. longus et 4 ped. 
crassus. 
25. E. platyacanthus Link et Otto 
diss, t, 14. subglobosus laete viridis j 
costis 21 — 24 pluribusque acuatis; spi- 
nis centruUbus 3—4 majoribus depla- 
natis radiantibus 4 minoribus omnibus 
patentiluis. In Mexico. '^, 18 poll- 
altus et 22 poll, crassus. Flores flavf. 
^6'. E. Spina Chrisii Zucc. glo- 
bosus obscure viridis; costis 13 — t^ 
crenatis; nodis magnls ovalibus ju- 
nioribus albo-lauatis; aculeis crassis 
7 
