404 CACTACE®. [Mamillaria. 
M. pusilla. DC. Rev. Cact. 29, t. 2,f.1; Prodr. 3. 459. Pfeiffer, Enum. 36. 
Salm, Cact. Hort. Dyck. 7. Lab. 1. ¢. 25. 
Cactus stellatus. Willd. Enum. Suppl. 30. Lodd. Bot. Cab. t. 79. 
Cactus pusillus. DC. Cat. h. Monsp. 184. 
M. stellaris, Haworth, Syn. Pl. Suce. Suppl. 72. 
Var. Texana. Engelm. Syn. Cact. 261 (5); Cact. Mex. Bound. 5,t.5. Walp. 
Ann. 5. 34. 
M. Texana. Young, Fl. Texas, 279. 
M. recurvata. Engelm. in Trans. Acad. St. Louis, 2. 202. (Sonora.) 
M. recurvispina. Engelm. Syn. Cact. 266 (10); Cact. Mex. Bound. 12. 
M. robustispina. Schott; Engelm. Syn. Cact. 265 (9); Cact. Mex. Bound. 11, 
t. 74, f. 8 (seed). Walp. Ann. 5. 36. 
M. Scheerii. Muhlenpf. in Allg. Gart. Zeit. 15. 97, t. 2 (Bot. Zeit. 5. 495), not 
13. 346 (Walp. Rep. 5. 810). Salm, Cact. Hort. Dyck. 133. Lab. Monogr. Cact. 
147. Scheer, Seem. Bot. Herald, 289. Engelm. Cact. Mex. Bound. 11. 
Var. (?) valida. Engelm. Syn. Cact. 265 (9) ; Cact. Mex. Bound. 10 & 74. 
M. scolymoides. Scheidweil, Allg. Gart. Zeit. 9. 44. Walp. Rep. 2. 259. Salm, 
Cact. Hort. Dyck. 151. Lab. Monogr. Cact. 144. Engelm. Syn. Cact. 267 (11 & 
59); Cact. Mex. Bound. 14 & 74. 
M. spherica. Dietr. Allg. Gart. Zeit. 21. 94. Engelm. Syn. Cact. 264 (8) ; Cact. 
Mex. Bound. 9 & 74.. Walp. Ann. 5. 35. Young, Fl. Texas, 279. 
M. strobiliformis. Scheer; Salm, Cact. Hort. Dyck. 104, not Muhlenpf. Scheer, 
Seem. Bot. Herald, 287. Lab. Monogr. Cact. 73. Engelm. Cact. Mex. Bound. 74. 
M. tuberculosa. Engelm. Syn. Cact. 268 (12); Cact. Mex. Bound. 14, t. 22, 
f.1-16. Walp. Ann. 5. 37. 
M. vivipara. Haworth, Syn. Pl. Suce. Suppl. 72. DC. Prodr. 8. 459. Don, Mill. 
3. 160. Torr. & Gray, Fl. 1. 554. Walp. Rep. 2. 291; Ann. 5. 87. Leavenworth, 
Am. Journ. Sci. 1. 49. 130. Engelm. in Gray, Pl. Fendl. 49; Gray, Pl. Lindh. 197 ; 
Pl. Upp. Miss. 192 ; Syn. Cact. 269 (13); Cact. Mex. Bound. 15, t. 64, f. 3; Trans. 
Acad. St. Louis, 2. 197 ; King’s Rep. 5. 115; Hayd. Rep. 1871, 484; Simpson’s Rep. 
436. Salm, Cact. Hort. Dyck. 106. Lab. Monogr. Cact. 79. Dietr. 3. 92. Porter, 
Fl. Col. 48. Watson, Pl. Wheeler, 9. 
Cactus viviparus. Nutt. in Fras. Cat.; Genera, 1.295. Pursh, 735. Poir. Suppl. 
5. 587. Bradbury, Cat. 336. James, Cat. 181. Spreng. Syst. 2.494. Torrey, 
Ann. Lye. N. Y. 2. 202. Eat. & Wr. 165. 
M. Missouriensis. Scheer, Seem. Bot. Herald, 287. 
Var. radiosa. Engelm. in Gray, PI. Fendl. 49; Syn. Cact. 1. ¢.; Cact. Mex. 
Bound. 15, t. 74, f. 4, 5 (seed). Engelm. & Bigel. Pac. R. Rep. 4.28. Walp. 
Ann. 5. 38. 
M. radiosa. Engelm. in Gray, Pl. Lindh. 196. Salm, Cact. Hort. Dyck. 105. 
Lab. Monogr. Cact. 78. 
M. Wrightii. Engelm. Pac. R. Rep. 4. 27; Syn. Cact. 262 (6); Cact. Mex. 
Bound. 7 & 74, t. 8, f.1-8. Walp. Ann. 5. 34. 
M. aggregata; Cereus pheeniceus. M. declivis ; Hey deri. 
applanata ; Heyderi. diaphanacantha & echinocactoides ; con- 
ceespitosa ; Missouriensis. oidea. 
dactylithele ; macromeris. Jasciculata ; Cereus Fendleri. 
