550  CACTACE. 
6. Opuntia basilaris, Engelm. ‘et Bigel. Pacif. Railr. Rep., Cact. p. 43, t. 13. 
figg. 1-5, et Cact. U.S. & Mex. Bound. Surv. p. 52. 
CaLIFornia.—NortH Mexico, valley of the Gila (Schott). Hort. Kew. 
6 
7. Opuntia bulbispina, Engelm. Cact. U.S. & Mex. Bound. Surv. Pp 55, t. 73. 
figg. 5, 6. 
Norta Mexico, near Perros Bravos, north of Saltillo (Gregg). 
8. Opuntia candelabriformis, Hort. Monac., ex Pfeiff. Enum. p. 159. 
Mexico. Hort. Kew. 
9, Opuntia clavarioides, Otto in Pfeiff. Enum. p. 173. 
MEXICO. : 
10. Opuntia crassa, Haw. Suppl. p. 81; Pfeiff. Enum. p. 153. 
Opuntia parvula, Salm Dyck, Cact. ed. 2, pp. 69, 243. - 
Mexico. Hort. Kew. 
11. Opuntia decipiens, DC. Rev. Cact. p. 118. 
Mexico (Coulter). 
12. Opuntia decumbens, Salm Dyck, Hort. Dyck. p. 361; Bot. Mag. ¢ t. 3914. 
Opuntia repens, Karw., et O. irrorata, Mart., sec. Pfeiff. Enum. p. 154, 
Mexico. 
13. Opuntia echinocarpa, Engelm. et Bigel. in Pacif. Railr. Rep. et Cact. U.S. 
& Mex. Bound. Surv. p. 56. 
B. Major, Engelm. loc. cit. 
CoLoraDo.—NortH Mexico, Sonora (Schott). Hort. Kew. 
_ 14. Opuntia emoryi, Engelm. Cact. U.S. & Mex. Bound. Surv. p. 53, tt. 70, 71, 
et Synop. Cact. U.S. &c. p. 47. 
Texas; CoLtorapo.—Norta Mexico, between the sand hills and Lake Santa Maria 
(Wright, Bigelow), Sonora (Wright). 
15. Opuntia engelmannii, Salm Dyck, Cact. ed. 2, p. 235; Scheer in Seem. Bot. 
Voy. ‘Herald,’ -p. 293; Engelm. Cact. U.S. & Mex. Bound. Surv. p. 47, t. 75. figg. 1-4. 
Texas.—NortH Mexico, Chihuahua (Wislizenus, Potts). Hort. Kew. 
16. Opuntia exuviata, DC. Rev. Cact. p. 118. 
Mexico, without locality (Coulter). 
B. angustior, DC. loc. cit. 
Mexico (Coulter). 
y- Spinosior, DC. loc.. cit. 
Mexico (Coulter). 
