Cereus. Echinocactus.] 



CACTACE^. 



399 



C. procunibens. Engelm. in Gray, PI. Fendl. 50; Gray, PI. Lindh. 203 ; Syn. 

 Cact. 280 (30) ; Cact. Mex. Bound. 38, t. 59, f. 1-11. Walp. Ann. 2. G83 & 5. 40. 

 Young, FI. Texas, 275. 



C. Rcetteri. Engelm. Cact. Mex. Bound. 33, t. 41, f. 3-5 ; Proc. Am. Acad. 

 3. 345. 



C. dasi/acanthus, var. minor. Engelm. Syn. Cact. 279 (23). 



C. rufispinus. Engelm. in Gray, PI. Fendl. 50 ; Syn. Cact. 280 (24). Salm, Cact. 

 Hort. Dyck. 193. Lab. Monogr. Cact. 320. Walp. Ann. 5. 43. (Chihuahua.) 



Echinocereus rujispinus. Engelm. in Wisliz. Rep. 20. Walp. Ann. 3. 896. 

 C. Schottii. Engelm. Syn. Cact. 288 (32) ; Cact. Mex. Bound. 44, t. 74, f. 16 

 (seed) ; Bot. Calif. 1. 247. Walp. Ann. 5. 47. 



C. 1 Bigelow, Pac. R. Rep. 4. 37. 



C. stramineus. Engelm. Syn. Cact. 282 (26) ; Cact. Mex. Bound. 35, t. 46, 47, 



48, f. 1. Bigelow, 1. c. 36. Walp. Ann. 5. 44. 



C. Thurberi. Engelm. in Am. Journ. Sci. 2. 17. 234; Syn. Cact. 288 (32) ; Cact. 



Mex. Bound. 44, t. 74, f. 15 (seed); Fl. Calif. 1. 247. Thurber, in Gray, PI. 



Thurb. 302. Walp. Ann. 5. 47. Fl. Serres, 10. 29. 



C. TuiAXGULARis, Haworth ? Chapman, 144. 



C. triglochidiatus. Engelm. in Gray, PI. Fendl. 50 & 51 ; Syn. Cact. 283 (27). 



Walp. Ann. 5. 45. Engelm. & Bigel. in Pac. R. Rep. 4. 34, t. 4, f. 6, 7. 



Echinocereus triglochidiatus. Engelm. in Wisliz. Rep. 9. Walp. Ann. 3. 895. 

 C. tuberosus. Poselger, Allg. Gart. Zeit. 21. 135. Engelm. Syn. Cact. 286 

 (30) ; Cact. Mex. Bound. 39 & 76, t. 59, f. 12. Walp. Ann. 5. 46. Young, Fl. 

 Texas, 275. 



C. viridiflorus. Engelm. in Gray, PI. Fendl. 50; Syn. Cact. 278 (22) ; Trans. 

 Acad.. St. Louis, 2.199; King's Rep. 5. 118; Simpson's Rep. 440. Salm, Cact. 

 Ilort. Dyck. 192. Lab. Monogr. Cact. 319. Walp. Ann. 5. 42. Bigelow, Pac. 

 R. Rep. 4. 32 & 36. Young, Fl. Texas, 273. Watson, PI. Wheeler, g. Porter, 

 Fl. Col. 48. 



Echinocereus viridiflorus. Engelm. in Wisliz. Rep. 7. Walp. Ann. 3. 895. 



Var. cylindricus. Engelm. Cact. Mex. Bound. 28, t. 36 ; Syn. Cact. 1. c. Walp. 

 Ann. 5. 42. 



Californicus ; Opuntia serpentina. 

 coccineus ; phceniceus. 

 concolor ; Ccespitosus. 

 dasi/acanthus ; Rcetteri. 

 deflexispinus ; dasyacanthus. 

 pectinatus ; caespitosus. 

 pectiniferus ; pectinatus. 



C. phceniceus ; conoideus. 

 Pottsii ; Greggii. 

 Reichenbachianus ; ca3spitosus. 

 Rcemeri ; conoideus, phceniceus. 

 variahilis & Vasmerii ; princeps. 

 ?; Schottii. 



ECHINOCACTUS bicolor. Galeotti ; Pfeiffer, Abbild. Cact. 2, t. 25. Salm, 

 Cact. Hort. Dyck. 173. Lab. Monogr. Cact. 259. Scheer, Seem. Bot. Herald, 291. 

 Young, Fl. Texas, 280. (Northern Mexico.) 



Var. Schottii. Engelm. Syn. Cact. 277 (21) ; Cact. Mex. Bound. 27. Walp. 

 Ann. 5. 41. 



E. brevihamatus. Engelm. Syn. Cact. 271 (15) ; Cact. Me.x. Bound. 19, 1. 18, 

 19 ; Simpson's Rep. 437. Walp. Ann. 5. 38. 



