JXcosandria, Monogynia. Mammillaria, 69 
ICOSANDRIA. MoNOGYNIA. 
CACTUS. Linn. et Nob. in Synops. succ. 
2.172. : 
C. (great-spined) rotundatus, late-virens, 14-an- macro- 
gulatus, costis rectis dense spinosis ; spinis fasci- canthos. 
- eulatis longis przgrossis albicantibus ; pice fusco- l. 
ieri 12 radian tibus, 4 rectis maximis. Prince 
Salm Dyck, in Ols. lotan. in Hort. dyck. 
-4.D. 1820. 
HaniraT in oci calidiore. St. b. 
Ozss. My friend Dr. Hooker, Regius Professor of 
Botany at Glasgow, showed me a very fine plant 
of this en Cactus, which he lately procured in 
olland. been recently sent thither from 
South pere and, as Dr. H. assured me, had 
pierced with one of its wonderful roots through 
a solid piece of the rock its native bed ; which 
Stil continued to adhere. It wears a cap of 
down ; small, and of cylindric form. 
MAMMILLARIA. Syz. succ. 177. 
M. (the great) simplex clavata, tubercülis ovatis corona- 
apice spinoso-lanatis, lana spinis rectis bre- ria. 
viore. kl 
Cactus coronarius. Willd. enum. app. 30. 
Hasrrer XT in America calidiore. St. hb. 
i 1, pace: 5-pedali clavato, diametro pe- 
In e Chels. viget, ab horto Berolinense. 
