530 CACTACER. 
Echinocactus acutangulus, Zucc., ex Pleiff. loc. cit. 
Malacocarpus corynodes, Salm Dyck, Cat. ed. 2, p. 141. 
According to Labouret (Cact. p. 169) this species is a native of Mexico and Monts 
VIDEO ; but this appears to be very doubtful. 
18. Echinocactus crispatus, DC. Rev. Cact. p. 37, t. 8. 
Sour Mexico, near Pachuca, Zimapan, &c. (Coulter, Ehrenberg). 
B. horridus, DC. loc. cit. p. 115. 
GUATEMALA. 
19. Echinocactus debilispinus, Bergm. in Otto & Dietr. Allg. Gartz. viii. p. 131. 
MEXICO. 
20. Echinocactus dichroacanthus, Mart. in Pfeiff. Enum. p. 62. 
Mexico, near Zimapan. 
21. Echinocactus echidne, DC. Mém. Cact. p. 19, t.11; Salm Dyck, Cact. ed. 2, 
pp. 27, 150. 
Echinocactus dolichacanthus, Lem., et Echinocactus vandereyi, Lem.,-ex Salm Dyck, loc. cit. p. 27. 
South Mexico, Mestitlan and Zimapan &c. (Hhrenberg), without locality (Coulter). 
Hort. Kew. 
22. Echinocactus ehrenbergii, Pfeiff., ex Labour. Cact. p. 263. 
SoutH Mexico, Mineral del Monte (ex Pfeiffer), in the valleys of Zimapan, Ismi- 
quilpan, &c. (Ehrenberg). 
23. Echinocactus electracanthus, Lem. Cact. alig. Nov. Hort. Monv. p. 24. 
Mexico, near San Bartolo, San Sebastian, Barranca of Mestitlan &c., 6000 feet (ex 
Ehrenberg). Hort. Kew. 
24. Hchinocactus emoryi, Engelm. in Emory’s Rep. 1848, et in Pacif. Railr. 
Rep. Cact. p. 31, t. 3. fig. 3, et in Cact. U.S. et Mex. Bound. Surv. p. 23, t. 28. 
CaLirornia.—NortH Mexico, Punta de Agua, Sierra del Pajarito, Sierra de Sonoita, 
&c., Sonora (Schott). 
25. Kchinocactus ensiferus, Lem. Cact. alig. Nov. Hort. Monv. p. 26. 
MExico. | 
26. Echinocactus exsculptus, Otto, ex Pfeiff. Enum. p. 65. 
Echinocactus subgibbosus, Haw., ex Pfeiff. loc. cit. 
Mexico.—Cuiui; Monts Vinxo (ex Pfeiffer). 
27. Echinocactus eyriesii, Turp. Observ. p. 58, t. 2; Bot. Reg. t. 1707; Bot. 
Mag. t. 3411; Pfeiff. Enum. p. 72. 
Mexico (Lubbock).—Buznos Ayres (ex Pfeiffer). 
Lindley (loc. cit.) distinctly states that this species was procured from Mexico by Sir 
John Lubbock ; but Pfeiffer gives Buenos Ayres as the native country. 
