CACTACEA. 549 
2. Bhipsalis coriacea, Polakowsky in Linnea, xli. p. 562. 
Costa Rica, on trees near Cartago (Polakowsky). 
3. Rhipsalis saglionis, Lem. Cact. alig. Nov. p. 39. 
Rhipsalis brachiata, Bot. Mag. t. 4039. 
Mexico?; Brazil, according to Haworth. Hort. Kew. 
4. Rhipsalis, sp. 
Nicaraa@ua, Chontales (Seemann, 48). Hb. Kew. 
9. NOPALEA. 
Nopalea, Salm Dyck, Cact. ed. 2, p. 63; Benth. et Hook. Gen. Plant. i. p. 850. 
Three species, inhabiting the West Indies, South America, and Mexico. One species 
is now widely dispersed in the Old World. 
1. Nopalea coccinellifera, Salm Dyck, Cact. ed. 2, p. 64. 
Cactus cochinellifer, Linn. Sp. Pl. p. 670; Andrews’s Rep. t. 533; Bot. Mag. t. 2741, 2742. 
Opuntia coccinellifera, Mill., ex Pfeiff. Enum. p. 150; Pfeiff. & Otto, Abbild. i. t. 24. 
Mexico; Central AMerica.—Jamaica. Hort. Kew. 
10. OPUNTIA. 
Opuntia, Mill. Dict. ed. 6; Benth. et Hook. Gen. Plant. i. p. 851. 
This genus has nearly the whole range of the order. About 150 species have been 
described. One or more species are now naturalized in some parts of the Old World. 
1. Opuntia albicans, Salm Dyck, Hort. Dyck. p. 361. 
Opuntia prate, Sabin, ex Pfeiff. Enum. p. 155. 
Mexico. Hort. Kew. 
2. Opuntia amyclea, Tenore, FI. Neap. App. 5, Sylloge, p. 240; Salm Dyck, 
Cact. ed. 2, p. 240, et in Pfeiff. Enum. p. 159. 
Mexico (Karwinski). Hort. Kew. 
2*, Opuntia angusta, Meinsh. in Koch’s Wochenschrift, i. p. 30. 
Mexico (Karwinski). | 
3. Opuntia arborescens, Engelm. in Bot. Wisliz. Rep. et Cact. U.S. & Mex. 
Bound. Surv. p. 58, t. 75. figg. 16, 17. 
Opuntia exuviata stellata, Lem., ex Labour. Cact. p. 492. 
Opuntia stellata, Salm Dyck, Cact. ed. 2, p. 73. 
Puarre and ARKANSAS rivers southward.—NorTH Mexico, Chihuahua. 
4, Opuntia arbuscula, Engelm. Cact. U.S. & Mex. Bound. Surv. p. 60. 
Nort Mexico, on the Gila (Schott). 
5. Opuntia arenaria, Engelm. Cact. U.S. & Mex. Bound. Surv. p. 52, t. 70. 
fig. 15. 
Norru Mexico, valley of the Rio Grande (Wright). 
