MamiUaria.] CACTACE.E. 403 



M. gummifera. Engelm. in "Wisliz. Rep. 21 ; Gray, PI. Lindli. 190 ; Syn. Cact. 261 

 (8j ; Cact. Mex. Bound. 8, t. 9, f. 18-20. Walp. Ann. 2. 081. 

 M. Heyderi. Muhlenpf. in Allg. Gart. Zeit. 10. 20 (Bot. Zeit. 7. 598). Sclieele, 

 Koem. Texas, 435. Walp. Ann. 2. 080 & 5. 35. Engelm. Syn. Cact. 203 (7J ; Cact. 

 Mex. Bound. 8, t. 9, f. 4-14. 



J/, applanata. Engelm. in Gray, PI. Lindli. 198. Salm, Cact. Hort. Dyck. 109. 

 Lab. Monogr. Cact. 8-4. 

 I M. declivls. Dietr. Allg. Gart. Zeit. 18. 235. Walp. Ann. 2. 080. 

 f M. Texensis. Labouret, Monogr. Cact. 89. 



Var. hemisphaerica. Engelm. Syn. Cact. 1. c; Cact. Mex. Bound. 8, t. 9, 

 f. 15-17. 



M. hemispharica. Engelm. in Gray, PI. Lindh. 198. Walp. 1. c. 



M. lasiacantha, Engelm. Syn. Cact. 201 (5j ; Cact. Mex. Bomid. 5. & 73, t. 3, 4. 

 Walp. Ann. 5. 33. 



M. macromeris. Engelm. in Wisliz. Rep. 13; Syn. Cact. 270 (14) ; Cact. Mex. 

 Bound. 10 & 74, t. 14, 15. Salm, Cact. Ilort. Dyck. 133. Lab. Monogr. Cact. 

 145. Walp. Ann. 3. 893. 



J/, dactyl ithele. Labouret, 1. c. 146. 

 M. meiacantha. Engelm. Pac. R. Rep. 4. 27 ; Syn. Cact. 203 (7) ; Cact. Mex. 

 Bound. 9, t. 9, f. 1-3. Walp. Ann. 5. 35. 



M. micromeris. Engelm. Syn. Cact. 260 (4) ; Cact. Mex. Bound. 3 & To, 1. 1 & 2, 

 f. 1-4. Walp. Ann. 5. 33. Wood, Cl.-Book, 300. 



Var. Greggii. Engelm. Syn. Cact. 261 (5). Walp. 1. c. 

 M. MissouriensLs. Sweet, Ilort. Brit. 171. Don, Mill. 3. 100. Dietr. 3. 94. 



Cactus inamiUaris. Nutt. Genera, 1. 295, not Linn. James, Long's Exped. 2. 140. 

 Torrey, Ann. Lye. N. Y. 2. 202. Eat. &. Wr. 103. 



M. simplex. Torr. & Gray, Fl. 1. 553. 



M. Nuttaim. Engelm. in Gray, PI. Fendl. 49 ; Gray, PI. Lindh. 199 ; PI. Upp. 

 Miss. 192 ; Syn. Cact. 260 (14) ; Cact. Mex. Bound, t. 74, f. 6 (seed) ; King's Rep. 

 5.116. Walp. Ann. 2. 680 & 5. 35. 

 Var. caespitosa. 



j\[. caspitosa. Gray, Struct. Bot. 421, f. 838. 



M. similis. Engelm. PI. Lindh. 240 (38) ; Gray, PI. Lindh. 200 (Allg. Gart. 

 Zeit. 10. 18). Salm, Cact. Hort. Dyck. 106. Lab. Monogr. Cact. 79. 



M. NuttalUi, var. ccespitosa. Engelm. Syn. Cact. 265 (9) ; Cact. Mex. Bound. 

 10, t. 74, f. 7 (seed). Walp. Ann. 5. 36. Porter, El. Col. 47. 

 Var. robustior. 



M. similis, var. robustior. Engelm. in Gray, PI. Lindh. 200. Salm, 1. c. 



M. NuttalUi, var. robustior. Engelm. & Bigcl. Pac. R. Rep. 4. 28. Engelm. Syn. 

 Cact. 265 (9). Walp. Ann. 5. 36. 



M. pectinata. Engelm. Syn. Cact. 266 (10) ; Cact. Mex. Bound. 12 & 74, 1. 11. 

 Walp. Ann. 5. 36. 



M. phellosperma. Engelm. Syn. Cact. 262 (6) ; Cact. Mex. Bound. 6, t. 7; Ives' 

 Rep. 12; King's Rep. 5. 115; Bot. Calif. 1. 244. Engelm. & Bigel. Pac. R. Rep. 

 4. 27. Torrey, same, 5. 360. Walp. Ann. 5. 34. 



M. tetrancistra. Engelm. in Am. Journ. Sci. 2. 14. 337, in part. Bigelow, Pac. 

 R. Rep. 4. 15. 



M. Pottsii. Scheer ; Salm, Cact. Ilort. Dyck. 104. Schccr, Seem. Bot. Herald, 

 287. Lab. Monogr. Cact. 72. Engelm. Syn. Cact. 268 (12). Walp. Ann. 5. 37. 



