H. CANNELL (k SONS’ LIST OF CACTI. 
15 
OPUNTI>€. 
This division of the Cacti includes the genera Nopalea, Rhipsalis. and I’ereshia, which are 
characterised hy branched and jointed stems and hy the calyx tube not extending beyond the ovary. 
Tile peculiar flattened oval or elliptical branches, destitute of leaves, hut armed with abundant spines, 
constitute the distinguishing character of this plant. 
OPUNTIA URSINUS (GitiaxLY ItsAu) 3/0 
O. Arborcscens, grows in free form, 1/ 
O Basilaris, it is formed of stout oliovate or 
fan shaped joints originating from a common base, 
arc minutely puliescent, the colour being almost 
purple. 2/6. 
O. Bigelowi, 2/6 
O. Brachyarthra, short-jointed and pretty 
llowers, 1/6 
O Brasilicnsc, with irregularly flattened and 
branching steins hearing scattered solitary dark 
spines, i to 2 inches long, pale yellow' flowers 
3 inches in diameter, i/-. 
O. Cardoiva, 1/6 
O. Cyliadrica, growing to a single stem 
many feet in height, no spines, 1/6 
O. Cylindrica Cristata, 1/6 
O. Dearmatus (Chib). One of the I’apy- 
r.icantha type, 5/- 
O Emori, cylindric branches, many spines, 
2,6 
O. Engelmanni, this prows four feet high, 
and has large oval joints about seven inches in 
diameter, 2/- 
O. Ficus Indica, ijuick easy-growing variety, 
1/6 
O. Formidabilis (Chili). Ibis variety is 
quite distinct, being of a deep glaucous green with 
long still spines, some of which mc.asure over six 
inches in length, 5/- 
O, Frutcsccns, a beautiful sort, red fiuit, i/- 
O. Kleiniae, cvltndrical stems, i/- 
O. Leucotricha, a beautiful sort on account 
of the long white hairs which completely cover the 
plant, i/- 
O. Lurida, an extremely handsome sort, 2/- 
O. Microdasys, always ao mired on account 
of its delicate tufts ot velvety-yellow spines, 1/6 
