CACTACEA. . ‘555 
1. PERESKIA. 
Pereskia, Mill. Dict. ed. 6; Benth. et Hook. Gen. Plant. i. p. 851. 
About a dozen species in Tropical America and the West Indies. 
1. Pereskia bleo, DC. Prod. iii. p. 475; Bot. Reg. t. 1473; Bot. Mag. t. 3478 ; 
Pfeiff. & Otto, Abbild. i. t. 30. 
Cactus bleo, H. B. K. Nov. Gen. et Sp. vi. p. 69. 
Mexico (ex Pfeiffer & Otto); Panama, shady woods, Hacienda de Juan Lanas Cupica 
and Puerto Pifias (Seemann).—Cotomsia. Hort. Kew. | 
9. Pereskia calandrinizfolia, Hort. Berol., ex Forst. Handb. Cact. p. 511; Salm 
Dyck, Cact. ed. 2, p. 252. 
Pereskia pititache, Karw., ex Labour. Cact. p. 503. 
_ MeExIco. 
3, Pereskia lychnidiflora, DC. Rev. Cact. p. 75, t. 18; Pfeiff. Enum. p. 177. 
Mexico (Mogino & Sessé). 
4, Pereskia opuntizflora, DC. Rev. Cact. p. 76, t. 19; Pfeiff. Enum. p. 178. 
Mexico (Mogino & Sessé). 
5. Pereskia pititache, Karw., ex Pfeiff. Enum. p. 176. 
MEXICco. 
6. Pereskia rotundifolia, DC. Rev. Cact. p. 77, t.20; Pfeiff. Enum. p. 178. 
Mexico (Mogino & Sessé). 
7. Pereskia spathulata, Hort. Berol., ex Pfeiff. Enum. p. 176. 
Mexico. Hort. Kew. 
3. Pereskia zinnisflora, DC. Rev. Cact. p. 75, t.17; Pfeiff. Enum. p 177. 
- Mexico (Mogino & Sessé). 
Order LXVI. FICOIDE. 
Ficoidee, Benth. et Hook. Gen. Plant. 1. D. 851. 
Annual or perennial herbs or undershrubs. About 450 species, belonging to twenty- 
two genera. They are generally dispersed in tropical and subtropical regions ; and a 
very few grow in cold countries. Upwards of 350 species are restricted to South Africa, 
300 of them belonging to the genus Mesembryanthemum. 
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