398 CACTACE^. [Cei-eus. 



C. Greggii- Engclm. in "Wisliz. Rep. 18; Emory's Rep. 156, f. 6; Am. Journ. Sci. 



2. 14. y:J'J & 140; Syn. Cact. 287 (31) ; Cact. Mex. Bomid. 40, t. 63, 64. AValp. 

 Ann. 3. 894 & -5. 40. Bigclovv, Pac. R. Rep. 4, 36. Young, Fl. Texas, 270. 



C. Poltsii. Salm, Cact. Ilort. Dyek. 208. Labouret, Monogr. Cact. 304. 

 Scheer, Seem. Bot. Herald, 293. 



A^ir. transmontanus. Engelm. Syn. Cact. 1. c. ; Cact. Mex. Bound. 41, t. 65. 

 C. hexaedrus. Engelm. & Bigel. in Pac. R. Rep. 4. 34, t. 5, f. 1. Bigelow, same, 

 36. Engelm. Syn. Cact. 285 (29). Walp. Ann. 5. 45. 



C. longisetus. Engelm. ; Bigelow, Pac. R. Rep. 4. 36. Engelm. Syn. Cact. 280 

 (24) ; Cact. Mex. Bound. 32, t. 45. Walp. Ann. 5. 43. 



C. Mohavensis. Engclm. & Bigel. Pac. R. Rep. 4. 33, t. 4, f. 8. Bigelow, same, 

 30. Engelm. Syn. Cact. 281 (25). Walp. Ann. 5. 43. 



Var. ( ? ) Zuniensis. Engelm. & Bigel. 1. c, f. 9. Engelm. 1. c. Walp. 1. c. 44. 

 C. MOxocLoxos, DC 1 Chapman, 144. 



C. paucispinus. Engclm. ; Bigelow, Pac. R. Rep. 4. 34 & 30. Engclm. Syn. 

 Cact. 285 (29) ; Cact. Mex. Bound. 37, t. 56. Walp. Ann. 5. 45. Young, El. 

 Texas, 275. Porter, Fl. Col. 49. 



C. pectinatus. Engoim. in Gray, PI. Fendl. 50; Syn. Cact. 279 (23); Cact. 

 Mex. Bound. 32. Salm, Cact. Ilort. Dyck. 192. Scheer, Seem. Bot. Herald, 292. 

 (Northern Mexico.) 



Echinocactus pectinatus. Schcidweil, Bull. Brux. 5. 492. Walp. Rep. 2. 321. 



Echinocereiis pectinatus. Engelm. in Wisliz. Rep. 25. Walp. Ann. 3. 896. 



Echinocactus prctiniferus. Lcmaire, Cact. Nov. 25. Walp. Rep. 2. 322. Hook. 

 Bot. Mag. t. 4190. 



C. pectini/erus. Labouret, Monogr. Cact. 820. 



Var. (?) armatus. Poselger, Allg. Gart. Zeit. 21. 134. Engelm. Syn. Cact. 1. c. 

 Walp. Ann. 5. 43. 



Var. (?) rigidissimus. Engclm. 1. c. ; Bot. Mex. Bound. 31. Walp. 1. c. 

 C. pliceniceus. Engelm. in Bigel. Pac. R. Rep. 4. 34, t. 4, f. 1-3. Bigelow, same, 

 30. Engelm. Syn. Cact. 284 (28) ; Ives' Rep. 13. Walp. Ann. 5. 45. Porter, Fl. 

 Col. 49. 



Echinnpsis octacantha. Muhlenpf. in Allg. Gart. Zeit. 16. 19 (Bot. Zeit. 6. 597). 

 Scheele, Roem. Texas, 435. Walp. Ann. 2. 083. 



Echinocereus coccineus. Engelm. in Wisliz. Rep. 9. Walp. Ann. 2. 684 & 



3. 895. 



C. coccineus. Engelm. in Gray, PI. Fendl. 50 & 51, not DC, nor Salm. Salm, 

 Cact. Hort. Dyck. 190. Lab. Monogr. Cact. 316. 



C. Ra-merii. Engehn. in Gray, PI. Fendl. 50 ; Gray, PI. Lindli. 204 ; Syn. Cact. 

 285 (29). Salm, Cact. Hort. Dyck. 180. Lab. 1. c. Walp. Ann. 5. 45. 



Ufa mill aria ar/i/rer/ata. Engelm. in Emory's Rep. 155, f. 1. 

 C. polyacanthus. Engelm. in Gray, PI. Fendl. 50 ; Cact. Mex. Bound. 37, 

 t. 54, 55 ; Syn. Cact. 284 (28). Salm, Cact. Hort. Dyck. 189. Lab. Monogr. Cact. 

 315. Bigelow, Pac. R. Rep. 4. 36. Walp. Ann. 5. 45. 



Echinocereus polij acanthus. Engelm. in Wisliz. Rep. 20. Walp. Ann. 3. 895. 

 C. princeps. Hort. Wurtzb. ; fide Pfeiffer, Enum. Cact. 108. Salm, Cact. Hort. 

 Dyck. 49. Lab. 1. c. 373. Engelm. in Trans. Acad. St. Louis, 2. 202. 



C. variabilis. Engelm. in Gray, PI. Lindh. 205, not Pfeiff. ; Syn. Cact. 287 (31); 

 Cact. Mex. Bound. 40, t. 60, f. 1-4. Young, Fl. Texas, 276. 



? C. Vasmerii. Young, Fl. Texas, 276. 



