MB LOC ACTUS. 
ICOiSANDRIA. MoyoGTWiA. 
a5 
Helicteres Moc. et Sesse. In Meijcico, 
J. 2— -1 uiic. Klores rosei.. 
11 L M. mtda DC, simplex cylin- 
drica adsceiidens ;i;Ia!)ra; tuberoiiUs 
Ineruiii)iis. Cactus iiudits 3Ioc. et Sesse. 
In Mexico, "^. Flores rosei. 
CUe 8pecie!nis seqnentihus in Mexi- 
co crescerUibus descripfio?ies mihi de- 
smit: Maiimiillaria corioides Boch ex 
Sweet; M. cuiieiDora Hitsclieiis ex 
^Mcetj M. ;>randis HUscli. ; M. lute- 
sceiijj Sweet; M. luicraiitlia Miqviel; 
M, tecta Miquel; M, spiiiosa Gill, ex 
G. Don; M. quadrata Gill.; M. cocci- 
uea Gill; 31. solitaria Gill.) 
SmO. MELOCACTVS C. Bauh. 
f, iff. comrnvnis Link et Otto diss, 
f>. 8. t. 11, ovato-rotiiiuliis atrovirens 
12 — IP^auguIansj costis rectis; .spi- 
nis fasciculatis fuscis siihacqnalihii.s. 
DC. diss. t. 6. Cactna Slelocactns 1*. 
DC. pi. grass, t. 112. JJradl. sncc. 
t 32. In Ind. ocCt^, — Var. a,nia~ 
crocephalus h. bcrol. glol)oso-o!)lon- 
gns ^lauco-viridis ; an^ulis scabris; 
aciileis 9 patciitibus medio 1. Jn Do- 
mimjo et Thoma, '^. — ^, oUongus 
h. berol. ohioitgus, costis 15 acutatis 
nodis approximatis; aculeis cxter. 6 — 
7, medio nnllo. In Vovi'myo, — 7. 
viridis h. berol. costis aculatis snb- 
creniilatis; aculeis exter. 7, medio 1. 
In ins, Thomae, — ^, laniferus h. 
berol. costis crassissiinis g!auco-vi- 
ridibiis siibacutatisj iiodis distaiitibiirt 
albo-Ianatis ; aculeis exter. 8, medio 
1, omnibus nibris, — f. harannensis 
h. berol. costis suhcompressis inter 
Modos convcxis; nodis ma^^nis rotun- 
daiis lanatis; aculeis rigidis flavesccn- 
tibus exter. 9, mediis 2. Jn Jlaran- 
nah, — ^, conictis Pfeiff. superne 
acuminatus; costis acutatis IJ unc. 
altis inter nodos convexis; aculeis 
exterioribus 8—10 mediis 2 omnibus 
ri^idis dilute rubris. — V). Gremjeli 
in h.Dresd. cultus^ aculeis brevissiuiis 
tenujssimfs albis. — Flores intense 
rosei. Bacca cnnciformis rosea. 
2. M, rnbens Pfeiff, piano -com - 
pre«.sus obscure viridis; sulcis acuta- 
to-iucisis; costis U acutatis inter no- 
<los cunvcxis; nodis distantibus ova- 
libus ptiniu alho-lauati«; aculeis rigi- 
^'s stiictiusculis |)rimo ferrugiueLs de- 
mum flavo-rubris, exter. 9 — 10 mcdiia 
2. In Ind. occ, ■^. 8-uuc, ia diamc- 
tro et 6 unc. altus. 
3, M, amoenus Hoffmmss, impres- 
so-conicus iKianco-viridis; costis 10 — 
12 compressis nodis distaTifibns im- 
mersia; aculeis strictis rigidis rube- 
scentibus, exter. 8, medio 1 lonjt^iore. 
M. conim. Jordensii Otto. M. rubens 
Hort. In Columbia, ■^. 6 unc. altus, 
Flores rosei. 
4, M, pj/ramidalis Salm; conicusj 
costis 17 — 18 inter nodos approxima- 
tos convexis et circa eos incrassalis ; 
aculeis strictis lougis paliide flavis 
apicc ferrugiiieis, mediis 3 crassis 3 
unc. lon^ia, exter. utrinque patenti- 
bus. Otto diss. t. 25. Jn Ciirai;ao,^» 
Flores parvi pallide rosei. 
5, M, SaCmianns LiPk et Otto; 
subrotnndus ; costis 15 lateribus ia-^ 
crassatis; nodis distantibus; aculeis 
strictis longis fusco-rubris exter, 10- 
radiatis mediis 3 crassis iiifimo loa- 
gissimo. Jn Citrat;ao, '^. 
6, M. atros-ancftiinats h, berol, glo- 
bosns atro-vlridis; costis 12 — 15 com- 
pressis sinuatis; nodis distantibus 
ovalibus albidis; aculeis atro-sanj^ni- 
neis exterioribus 10 strictis ri^idis, 
medio Ion;t:;iore subulato. In ins, ThO" 
mae, '^. 5 unc. altus. 
7, itf. spcftangns h, herol, piano- 
globosus atro-viridis; costis 10 obta- 
sis inter nodos convexis et circa eoa 
incrassatis; nodis magnis albis; acu-» 
leis strictis loiigis primo flavo-rubris 
denuim sUamineis medio 1 Iuii;4iore et 
rigidiore exter. 12 — 13 pateulibus. In 
Curagao. '^.. 
8, M, jnacr acanthus Salm; sub- 
globusus laete viridis, costis 14 obta- 
satis; spinis ccnlralibus 3 — -i longis- 
simis crassisslmis ercctis, radiantibus 
14 — 18 pateutlbus minoribus. Otto 
diss. t. 12. Jn Domingo, t^, 7-poII. 
9, M, meonacanthtts Link et Otto; 
oI>1ongis viridis; costis 14 aculeatid 
subcrenatis; nodis oblon-jjis subap* 
proximatis albo-tomeniosis; aculeis 
exterioribus 9 subarcuatis patentibus 
flavesceutibus apice fusco, medio 1 
arrecto fuscescenle. In Jamaica, "f. 
6 — 7 lin. in dianietro. 
10, iW. curvispinus h. berol, Im- 
presso-sl"'''^*"=*J costis 10 — 12 snb- 
compressis iuter nodos convexisj no- 
dis maiiula rotuudla albo-tomcntosU; 
