^08 CACTACEvE. [Opxmtia, 



O. Mohavensis. Engelm. & Bigel. Pac. R. Rep. 4. -iO, t. 9, f. 6-8; Sya. Cact 

 2t« (:;7) ; Bot. Calif. 1. 248. Walp. Ann. 5. 50. 



O. Parryi. Engelm. in Am. Journ. Sci. 2. 14. 339; Syn. Cact. 303 (47) ; Cact 

 IVIcx. Bound. 53 ; Bot. Calif. 1. 249. Engelm. & Bigel. 1. c. 48, t. 22, f. 4-7, & t. 24, 

 f. 7 (seed). Walp. Ann. 5. 54. 



O. Pes-Corvi. LeConte; Chapman, 145. Engelm. in Proc. Am. Acad. 3. 340 

 Trans. Acad. St. Louis, 2. 204 ; Simpson's Rep. 442. Wood, Bot. & Fl. 132. 

 • O. phaeacantlia. Engelm. in Gray, PI. Fendl. 51 ; Syn. Cact. 292 (36) ; Cact. Mex 

 Bound. 49, t. 75, f. 9-13 (seed). Walp. Ann. 2. 686 & 5. 50. 

 Var. major. Engelm. & Bigel. Pac. R. Rep. 4. 40. Engelm. Syn. Cact. 273 (37) 

 0. imUjantha. Haworth, Syn. PI. Succ. 190. DC. Prodr. 3. 472. Pfeiff. Enum 

 163. Walp. Rep. 2. 351. Chapman, 145. Wood, Bot. & Fl. 132. 



Cactus pohjanthus. Sims, Bot. Mag. t. 2691. DC. PI. Grass, t. 138. 

 O. procumbens. Engelm. & Bigel. Pac. R. Rep. 4. 39, t. 6, f. 4, 5. Engelm. 

 Syn. Cact. 292 (36). Walp. Ann. 6. 49. 



O. proUfera. Engelm. in Am. Journ. Sci. 2. 14. 338; Syn. Cact. 306 (50) ; Cact. 

 Mex. Bound. 50; Bot. Calif. 250. Walp. Ann. 5. 50. 



O. pulcheUa. Engelm. in Trans. Acad. St. Louis, 2. 201 ; King's Rep. 5. 119; Bot. 

 Calif. 1. 249; Simpson's Rep. 443, t. 3. 



O. Rafmesquii. Engelm. Pac. R. Rep. 4. 41, t. 10, f. 3-5, & t. 22, f. 7, 8 (seeds) ; 

 Syn. Cact. 295 (39) ; Torrey Bot. Bull. 2. 34. Walp. Ann. 5. 51. Lcmaire, III. 

 Hort. 15, Misc. 49, fig. Haage & Schmidt, Rev. Hort. 1868, 90, f. 10, 11. Gray, 

 Manual, 185. Porter, Fl. Col. 49. Peck, Torrey Bot. Bull. 2. 37. Helmsley, Gar- 

 den, 11. 274. 



Cactus Opuntia. Torrey, Fl. U. S. 400, in part. Audubon, Birds, t. 69. Bigel. 

 Fl. Bost. 3 ed. 203. 



0. mesacantha & crpspi'fosn. Raf. in Seringe, Bull. Bot. Gen. 1830, 210 (Litt.- 

 Ber. zu Linnaja, 18-33, 81) ; Fl. Med. 2. 247. Pfeiffer, Enum. Cact. 146. Walp. 

 Eep. 2. 340. 



0. vulgaris. Beck, Bot. 135, in part. Torr. & Gray, Fl. 1. 555, in part. Torrey, 

 Fl. N. Y. 1. 245. Emerson, Trees of J\Iass. 424. Parry, PI. j\Iinn. 612. 

 0. vuhjaris, var. ( ? ) Rafinesquii. Gray, Manual, 2 ed. 1.30. 

 Var. microsperma. Engelm. in Pac. R. Rep. 4. 41 ; Syn. Cact. 295 (39). 

 Var. minor. Engelm. in Pac. R. Rep. 4. 41, 1. 11, f. 1. 

 Var. (?) grandiflora. Engelm. 1. c. t. 11, f. 2, 3; Syn. Cact. 1. c. 

 0. sp. Engelm. PI. Lindh. 246 (.38). 

 0. intermedia. Engelm. in Gray, Pi. Lindh. 206. 

 Var. (?) cymochila. Engelm. & Bigel. 1. c. 42, t. 12, f. 1-3, & t. 23, f. 10t12 

 (seed). Engelm. Syn. Cact. 1. c. 



Var. (? ) stenochUa. Engelm. & Bigel. 1. c. 4.3, t. 12, f. 4-6, & t. 23, f. 9 (seed). 

 Engelm. Syn. Cact. 296 (40). 

 Var. ( ' ) macrorhiza. Engelm. Syn. Cact. 296 (40). 



0. macrorhiza. Engelm. in Gray, PI. Lindh. 200 ; Cact. Mex. Bound. 51, t. 69. 

 Salm, Cact. Hort. Dyck. 243. Lab. Monogr. Cact. 477. Young, Fl. Texas, 278. 

 Var. (?) fusiformis. Engelm. & Bigel. Pac. R. Rep. 4. 43, t. 12, f. 7, 8, & t. 23, 

 f. 6 (seed). Engelm. PI. Upp. Miss. 192; Syn. Cact. 397 (41). 

 O. rufida. Engelm. Syn. Cact. 298 (42) ; Cact. Mex. Bound. 51. Walp. Ann. 

 5. 52. 



