CACTACEA. 537 
94*, Echinocactus pseudo-cereus, Meinsh. in Koch’s Wochenschrift, 1. p. 29. 
Mexico ? 
95, Echinocactus recurvus, Link & Otto, in Verhandl. des Gartenb.-Vereins 
fiir Preuss. iii. p. 426, t. 20. 
Cactus recurvus, Haw. Synops. p. 173. | 
Echinocactus glaucus, Karw., ex Pfeiff. Enum. p. 57. 
SoutH Mexico, received from Oaxaca (Khrenberg).—PERUv. 
96. Echinocactus quadrinatus, Wegener in Otto& Dietr. Allg. Gartz. xii. p. 66. 
NorrH Mexico, received from San Luis Potosi (Ehrenberg). 
Salm Dyck (Cact. ed. 2, p. 31) reduces this to E. wegeneri. 
97. Echinocactus reichenbachii, Terscheck, Suppl. Cact. p.2; Walp. Rep. i. 
p. 320. 
MExico. 
98, Echinocactus rhodophthalmus, Hook. Bot. Mag. t. 4486. 
Norra Mexico, San Luis Potosi (Staines). 
Var. elliptica, Hook. Bot. Mag. t. 4634. 
MEXxIco. 
99. Echinocactus robustus, Pfeiff. Enum. p. 61. 
Sourn Mzxico, Oaxaca, Tehuacan (Karwinski). 
Var. 8. prolifera, Pfeiff. loc. cit. 
South Mexico (Karwinskz) 
Var. y. monstrosa, Pfeiff. loc. cit. 
A cultivated variety. 
100. Echinocactus scheerii, Salm Dyck, Cact. ed. 2, p. 155. 
Nort Mexico, near Chihuahua (Potts). 
101. Echinocactus sclerothrix, Lehm. in Linnea, xiii. Litteraturb. p. 101. 
MEXIco. | 
101*. Echinocactus setosus, Linke in Koch’s Wochenschrift, i. p. 86. 
MEXICO. 
102. Echinocactus sinuatus, Dietr., ex Engelm. Cact. U.S. & Mex. Bound. 
Surv. p. 21, t. 74. figg. 11-14. 
Trxas.—Norta Mexico (Schott). Hort. Kew. 
108. Echinocactus smithii, Mihlpf. in Otto & Dietr. Allg. Gartz. xiv. p. 370. 
MEXIco. | 
104. Echinocactus solenacanthus, Scheidw. in Otto & Dietr. Allg. Gartz. ix. 
p. 50; Walp. Rep. ii. p. 319. 
Mexico, at 5000 to 6000 feet (ex Scheidwetler). 
BIOL. CENT.-AMER., Bot. Vol. 1, August 1880. 32 
