CACTEZ. 
érect, thick. Berry oval, umbilicate at the apex, either tuber- 
cled or spiny. 
7 Pere’sxia. Sepals leaf-formed, numerous, adnate to the 
ovarium, and usually permanent above the fruit. Corolla rotate, 
almost as in Opúntia. Stamens numerous, much shorter than 
the petals. Stigmas aggregate, in a spiral manner. 
bose or ovate. 
Berry glo- 
Trisz II. 
Ruresaripe®, Ovula, and therefore the seeds fixed to the 
central axis of the fruit. 
8 Rurpsauis. ‘Tube of calyx smooth, adhering to the ova- 
rium; limb superior, 3-6-parted, short. Petals 6, oblong, in- 
serted in the calyx. Stamens 12-18, fixed to the petals. Stig- 
mas 3-6, spreading. Berry roundish, pellucid, crowned by the 
dead calyx. 
Tribe I. 
OPUNTIA‘CE (plants agreeing with Opúntia in important 
characters). D.C. prod. 3. p. 458. Ovula, and therefore the 
seeds fixed to the parietes of the berry. 
I. MAMMILLA‘RIA (from mamma, the nipple; the plants 
are covered with mammeform tubercles, spirally disposed, the 
mamme bearing radiating spines at the apex and deciduous to- 
mentum). Haw. syn. 177. D.C. prod. 3. p. 458.—Cactus and 
Mammillaria, D.C. cat. hort. monsp. p. 83.—Echinocactus, Willd. 
enum. suppl. 30. exclusive of some species.—Cactus, sect. A. 
Link. enum. 2. p. 21. 
Lin. syst. Jcosdndria, Monogynia. Tube of calyx adhering 
to the ovarium ; lobes 5-6, coloured, crowning the young fruit. 
Petals 5-6, hardly distinguishable from the calyx, and longer than 
it, united into a tube with the sepals. Stamens filiform, disposed 
in many series. Style filiform. Stigmas 5-7, radiating. Berry 
smooth. Seeds imbedded in the pulp. Cotyledons obsolete 
(ex Nutt.). Fleshy, succulent, shrubby plants, of a roundish 
or subcylindrical form, destitute of a woody axis (perhaps in 
all ?), lactescent, leafless ; bearing rather conical, mammzeform, 
crowded tubercles, which are disposed in a spiral manner, ter- 
minating in radiating spines and deciduous tomentum. Flowers 
sessile at the base of the mamme, usually disposed in a trans- 
verse zone around the plant. Berries obovate, eatable, crowned 
by the marcescent calyx, which at length becomes deciduous. 
Tubercles of the stem very similar to the leaves of Mesembry- 
dnthemum barbatum. 
1 M. macnima/mma (Haw. in phil. mag. vol. 63. p. 41.) 
plant nearly globose, depressed ; tubercles or mamme large, 
hard, and very green, when young woolly at the apex, but when 
old quite smooth, each terminated by 4 very stiff, radiating, re- 
curved, yellow spines: the upper one of which is very minute, 
and the lower one much elongated. h. D. S. Native of 
Mexico. This isa very pretty species. The tubercles are large, 
tetragonal, and cylindrical, very broad at the base, and much 
depressed ; the spines very strong and very stiff, broadish, re- 
curved, furrowed longitudinally, when young pale brown and 
black at the apex, but when old wholly black, and with wool at 
the base ; wool at the base of the spines vanishing. 
Large-teated Mammillaria. Clt. 1823. Shrub } to } foot. 
` 2 M. corona‘ria (Haw. rev. p. 69.) plant simple, cylindrical, 
when young clavate; tubercles or mammæ large, ovate, woolly, 
and spiny at the apex ; spines stiff, rising from white tomentum, 
exterior ones white: interior ones brown. h. D.G. Native 
of Mexico. Cactus coronatus, Willd. enum. suppl. 30. Cactus 
I. MAMMILLARIA. 
157 
cylíndricus, Ort. dec. p. 128. t. 16. but not of Lam. This is a 
very beautiful species, and the tallest of all the genus; it is 
about 5 feet high, and half a foot in diameter. Flowers scarlet. 
Tubercles or mamme at the top of the stem are the longest, and 
as if they were forming in a crown. 
Crown Mammillaria. Fl. June, Aug. Clt. 1817. Sh. 5 feet. 
3 M. viscotor (Haw. syn. 177. D. C. diss. t. 2. f. 2.) plant 
globose, somewhat depressed, almost simple, with glabrous axils ; 
tubercles or mamme ovate, hardly woolly at the tips, but bear- 
ing spines: outer spines setaceous and white, spreading and 
stiffish : inner ones fewer and brown, straight and more rigid. 
h. D.S. Native of South America. Colla, hort. ripul. append. 
3. t. 11. Cáctus depréssus, D. C. cat. hort. monsp. p. 84. 
Cactus psetdo-mammillaris, Salm-Dyck. mss. C. Spinii, Célla 
antol. 6. p. 501. Plant 3-4 inches high. There are 13-15 series 
of tubercles, winding to the right. Flowers longer than the tu- 
bercles, more spreading at the apex than in M. simplex, white 
inside, but of a dirty reddish colour on the outside. 
Two-coloured-spined Mammillaria. Fl. June, Aug. Clt. 1800. 
Shrub 4 to 4 foot. 
4 M. vanirera (Haw. in phil. mag. vol. 63. p. 41. D.C. 
diss. t. 4.) plant simple, terete, obovate, clothed with woolly to- 
mentum all over; tubercles or mammez bearing 20 or more 
radiating, straight, spreading spines at the apex: outer spines 
smaller and white: inner ones strong and fulvescent. h. D.S. 
Native of Mexico. Cactus canéscens, Moc. et Sesse, fl. mex. 
icon ined. Plant 3-4 inches high. Flowers red, longer than 
the tubercles (ex fl. mex.). 
Wool-bearing Mammillaria. Clt. 1823. Shrub 4 foot. 
5 M. rrave'scens (D. C. prod. 3. p. 459.) plant obovate, 
rather proliferous at the top ; axils woolly ; tubercles or mammz 
ovate, woolly at the apex, and bearing spines ; spines stiff, long, 
straight, yellowish. kh. D. S. Native of South America. 
Cactus flavéscens, D.C. cat. hort. monsp. p. 83. M. straminea, 
Haw. ex Salm-Dyck. in litt. Cactus flavéscens and C. stra- 
mincus, Spreng. syst. 2. p. 494. Plant 4-5 inches high. The 
tubercles are disposed in 13-14 series, which wind to the right. 
Yellowish-spined Mamillaria. Fl. June, Aug. Cit- asia 
Shrub 4 to 4 foot. 
6 M. rutvisrina (Haw. in phil. mag. oct. 1829. p. 106.) 
plant roundish ; tubercles or mammæ bearing about 13 spines 
each at the apex, about 4 of which are a little longer than the 
rest: outer ones horizontal. k. D. S. Native of Brazil. 
Flowers large, red, nearly like those of M. rhoddntha (Otto), 
but probably larger, and the spines are longer ; lower spines 3 
lines long, white, almost covering the whole plant: and the 4 
upper ones spreading, and 2 or 3 times longer than the rest, of 
a fulvous colour. 
Brown-spined Mammillaria. Fl. Sept. Clt. 1829. Sh. 4 to} ft. 
7 M. prorirera (Haw. syn. 177. suppl. 71.) plant obovate, 
proliferous at the base; axils woolly ; spines long, straight, of 
a whitish straw-colour. k. D.S. Native of South America. 
Cactus mammilliris prdlifer, Ait. hort. kew. ed. 2. vol. 3. p. 175. 
Offsets rising from the plant at the very base, from which it is 
easily known from M. flavéscens (ex Salm-Dyck.). 
Proliferous Mammillaria. Fl. June, Aug. Clt. 1800. Sh. 
4 to 4 foot. 
8 M. pe’nsa (Link. et Otto, pl. rar. hort. berol. t. 35.) 
plant cylindrical, glaucescent; tubercles or mammæ conical, 
dense ; spines numerous, yellowish, 1 of which in each fascicle 
is larger than the others. h. D.S. Native of Mexico, on the 
mountains. 
Dense Mammillaria. Clt.? Shrub 4 foot. 
9 M. sicotor (Lehm. in pl. nov. hort. hamb. ex bot. zeit. 
1821. p. 132.) plant obovate, proliferous at top; axils woolly ; 
mamme twisted spirally, ovate, pyramidal, woolly at the apex, 
p 
