.CACTACEA, 539 
--:116. Echinocactus tricuspidatus, Scheidw. ex Ehrb. in Linnea, xix. p. 355. 
Echinocactus melmsianus, Wegener, in Otto & Dietr. Allg. Gartz. xil. p. 65. 
' Norra Mexico, received from San Luis Potosi (Ehrenberg). 
117. Echinocactus tuberculatus, Link & Otto,inVerhandl. desGartenb.-Vereins 
fiir Preuss. iii. p. 425, t. 26; Pfeiff. Enum. p. 60. 
MEXICO. . 
118. Echinocactus tubiflorus, Hook. Bot. Mag. t. 3627. 
Cereus tubiflorus, Pfeiff. Enum. p. 71. 
Mexico ? 
119. Echinocactus turbiniformis, Pfeiff. in Otto & Dietr. Allg. Gartz. 1838, 
p. 275; Pfeiff. & Otto, Abbild. ii. t. 3. 
Mamillaria disciformis, DC. 
Mawillaria turbinata, Bot. Mag. t. 3984. 
Soura Mexico, near San Pedrito and in other places in the warmer Barrancas, on 
perpendicular cliffs (Ehrenberg). Hort. Kew. 
120. Echinocactus uncinatus, Engelm., ex Scheer in Seem. Bot. Voy. ‘ Herald,’ 
p. 290; Engelm. Cact. U.S. & Mex. Bound. Surv. p. 20. 
Tuxas.—Norta Mexico, between Saltillo and San Luis Potosi (Poselger), near Chi- 
huahua (Potts), near Parras (Gregq). 
121. Echinocactus uncinatus, Galeotti, in Pfeiff. & Otto, Abbild. ii. t. 18. 
Mexico (Galeott«). ; 
122. Echinocactus undulatus, Dietr. in Otto & Dietr. Allg. Gartz. xii. p. 187. 
MEXICO. | 
123. Echinocactus visnaga, Hook. in Ill. Lond. News, 1846 ; Bot .Mag. t. 4999. 
NorrH Mexico, San Luis Potosi (Staines). | 
124. Echinocactus vandereyi, Lem. Cact. aliq. Nov. p. 20; Walp. Rep. i. 
p. 316. ae 
MEXxIco. 
124*, Echinocactus vargasii, Regel & Klein, Ind.Sem. Hort. Petrop. 1860, p.48 
Mexico (Karwinski). 
125. Echinocactus wegenerii, Salm Dyck, Cact. ed. 2, p. 160. 
Echinocactus quadrinatus, Weg., ex Salm Dyck, loc. cit. 
Mexico (Wegener). 
126. Echinocactus williamsii, Lem. in Otto & Dietr. Allg. Gartz. xiii. p. 380 ; 
Bot. Mag. t. 4296. | 
Sour Mexico, Real del Monte. Hort. Kew. 
127. Echinocactus wislizenii, Engelm. Mem. p. 96, ex Salm Dyck, Cact. ed. 2, 
p. 151. 
Norra Mzxico, near Dofiana (Wislizenus), neighbourhood of Chihuahua (Potts). 
322 
