CACTACEA. 54] 
9. Cereus cxspitosus, Engelm. in Bost. Journ. Nat. Hist. v., et Cact. U.S. & 
Mex. Bound. Surv. p. 32, t. 33, 34. 
From the Canadian river, near Delaware Mount, southward to—NortH Muxico, 
Monterey, Saltillo (Gregq). 
a. Minor, Engelm. Synops. Cact. U.S. &e. p. 24. 
B. major, Engelm. loc. cit. 
_ y. castaneus, Engelm. loc. cit. 
10. Cereus callicoche, Scheidw. in Bull. Acad. Brux. vi. p. 3; Walp. Rep. ii. 
p. 338. 
SourH Mexico, near Moran (ex Scheidweiler). 
11. Cereus calvescens, DC. Rev. Cact. p. 116. 
Mexico (Coulter). 
12. Cereus (Pilocereus) chrysomallus, Lem. in Labour. Cact. p. 276. 
Mexico ? 
13. Cereus cinerascens, DC. Rev. Cact. p. 116. 
Cereus deppet, Hort. 
Souta Mexico, Zimapan and Ismiquilpan (Ehrenberg), mountains above Guadalupe 
(Bourgeau, 303). Hort. Kew. 
8. crassior, DC. loc. cit. 
Cereus aciniformis, Hort. Berol. 
Mexico, without locality (Coulter), near Pachuca, at the foot of Cerro Ventoso &e. 
(Ehrenberg). 
y. tenuior, DC. loc. cit. 
Mexico, without locality (Coulter). 
14. Cereus cirrhiferus, Labour. Cact. p. 311. 
MEXxIco. 
14*. Cereus claviformis, Regel & Klein, Ind. Sem. Hort. Petrop. 1860, p. 46. 
Mexico (Karwinski). 
15. Cereus coccineus, Salm Dyck in Pfeiff. Enum. p. 122; Pfeiff. & Otto, 
Abbild. i. t. 15, nec DC. Prodr. iii. p. 469. 
Cereus bifrons, Haw. Suppl. p. 76? 
Mexico. Hort. Kew. 
16. Cereus conformis, Hort. Berol. ex Salm Dyck, Cact. ed. 2, p. 2038. 
Mexico (Lhrenberg). 
17. Cereus columna-trajani, Karw.; Pfeiff. Enum. p. 76. a 
Pilocereus columna, Salm Dyck, Cact. ed. 2, p. 184. 
Mexico, near San Sebastian (Karwinski). 
