CACTACER. 525 
244, Mamillaria (Anhalonium) sulcata, Salm Dyck, Cact. ed. 2, p. 78. 
Anhalonium kotchubeyi, Lem., ex Salm Dyck, loc. cit. p. 5. 
Mexico (Karwinski). 
245. Mamillaria sulcolonata, Lem. Ic. Cact. livr. 8. 
Mamillaria retusa, Scheidw. ex Labour. Cact. p. 136. 
South Mexico, Mineral del Monte (Galeotti), received from the State of Oaxaca 
(Ehrenberg). 
246. Mamillaria supertexta, Mart. ex Pfeiff. Enum. p, 25. 
Mexico, near San José del Oro, at nearly 13,000 feet altitude. 
247. Mamillaria tentaculata, Hort. Berol., ex Pfeiff. Enum. p. 29. 
Mamillaria pulchra, Haw. Bot. Reg. t. 1829 ?, ex Pfeiff. loc. cit. 
MExIco. 
248. Mamillaria tenuis, DC. Rev. Cact. p. 110, et Mém. t.1; Bot. Reg. t. 1523 ; 
Bot. Mag. t. 3646. 
Souta Mexico, Zimapan (Ehrenberg). 
249. Mamillaria tetracantha, Salm Dyck, Cact. ed. 2, pp. 16 et 114, et in Pfeiff. 
Enum. p. 18; Bot. Mag. t. 4060. 
Mexico. Hort. Kew. 
250. Mamillaria tetracentra, Hort. Berol., ex Salm Dyck, Cat. ed. 2, p. 112; 
Labouret, Cact. p. 53. — 
MeExIco. 
251. Mamillaria texensis, Labouret, Cact. p. 89. 
Mamillaria lindheimeri, Engelm. 
Trxas.—Norta Mexico, Saltillo. 
252. Mamillaria tomentosa, Ehrb. in Otto & Dietr. Allg. Gartz. 1849, p. 262. 
MEXxico. | | 
253. Mamillaria triacantha, DC. Rev. Cact. p. 113. 
Mexico, without locality (Coulter). 
254. Mamillaria tuberculosa, Englm. Cact. U.S. et Mex. Bound. Surv. p. 14, 
t. 10. figg. 1-6. 
Texas.—NortH Mexico (Bigelow). 
255. Mamillaria turbinata, Hook. Bot. Mag. t. 3984. 
Mexico. 
256. Mamillaria uberiformis, Zucc. in Pfeiff. Enum. p. 23; Pfeiff. et Otto, 
Abbild. i. t. 13. 
Sourn Mzxico, in meadows near Pachuca, between 7000 and 8000 feet (Aarwinski). 
