534 CACTACEA. 
62. Echinocactus leucanthus, Zucc. in Act. Acad. Bav. 1837, ii. p. 729, t. 2. 
fig. 10; Pfeiff. Enum. p. 66; Pfeiff. & Otto, Abbild. i. t. 14. 
Echinocactus tuberosus, Salm Dyck, ex Labour. Cact. p. 261. 
Echinocactus subporrectus, Lem., ex Labour. loc. cit. 
Souta Mexico, Zimapan (Karwinski), Ismiquilpan (Ehrenberg). 
63. Echinocactus linkeanus, A. Dietr. in Otto & Dietr. Allg. Gartz. xvi. 
p. 298, 
Mexico. 
64. Echinocactus linkii, Lehm. in Act. Nov. Nat. Cur. xvi. pt.1, p. 316, t. 14; 
Walp. Rep. ii. p. 310. 
Mexico. Hort. Kew. 
65. Echinocactus longihamatus, Galeotti, in Férster’s Handb. p. 321 (absque 
descr.) et in Pfeiff. & Otto, Abbild. ii. t. 16 ; Scheer, in Seem. Bot. Voy. ‘Herald,’ p. 290 ; 
Engelm. Cact. U.S. & Mex. Bound. Surv. p. 22, t. 21-24; Bot. Mag. t. 4632. 
Texas.—Norta Mexico, Chihuahua (Potts); Sour Mzxico. Hort. Kew. 
66. Echinocactus lophothele, Salm Dyck in Otto & Dietr. Allg. Gartz. xviii. 
p- 395; Scheer, in Seem. Bot. Voy. ‘ Herald,’ p. 291. 
NortH Mexico, Chihuahua (Potts). 
67. Echinocactus macracanthus, Vriese, in Tijdschrift Nat. Gesch. vi. 
p. 49, t. 2. 
MExIco. 
68. Echinocactus macrocephalus, Miihlpf. in Otto & Dietr. Allg. Gartz. xiv. 
p. 370. 
MExIco. 
69. Echinocactus macrodiscus, Mart. in Act. Nov. Nat. Cur. pt. 1, p. 341, t. 26. 
Echinocactus campylacanthus, Scheidw. ex Salm Dyck, Cact. ed. 2, p. 28. 
Norra Mexico, San Luis Potosi (Galeotti) ; Soura MrExico, on the Cumbre, at about 
10,000 feet, in a place called El Renosco (Karwinski). Hort. Kew. 
70. Echinocactus macleanii, Salm Dyck, Cat. 1844, ex Labour. Cact. p. 263. 
MEXxIco. 
71. Echinocactus melocactiformis, DC. Rev. Cact. p. 38, t. 10. 
Mexico (Mogino & Sessé). 
72. Echinocactus mthlenpfordtii, Fennel, in Otto & Dietr. Allg. Gartz. xv. 
p. 60. 
MEXICco. 
78. Echinocactus multiflorus, Hook. Bot. Mag. t. 4181. 
Mexico? Hort. Kew. 
