EUPHORBIACEZ. . 93 
GUATEMALA, Llanos at the base of Volcan de Fuego (Godman & Salvin).—Wust 
Inpizs and southwards to Buenos Ayres. Hb. Kew. 
25. Euphorbia cumbre, Boiss. Cent. Euphorb. p. 16, et in DC. Prodr. xv. 2, 
p. 48. 
Mexico, Santa Madre, above Victoria (Karwinski). 
26. Euphorbia cuphosperma, Boiss. in DC. Prodr. xv. 2, p. 73. 
Euphorbia dentata y. cuphosperma, Enugelm. in Torr. Bot. U.S. & Mex. Bound. Surv. p. 190. 
Norta Mexico, copper-mines within the old boundary (Wright). 
27. Euphorbia delicatula, Boiss. Cent. Euphorb. p. 12, et in DC. Prodr. xv. 2, 
p. 50. 
New Spain (hb. Pavon). 
28. Huphorbia dentata, Michx. Fl. Bor.-Am. ii. p. 211; DC. Prodr. xv. 2, p. 72. 
Poinsettia dentata et P. schiedeana, K\. et Garcke, Tricoce. p. 102. 
Ouro and Missouri southward.—NortH Mexico, Soledad and Parras ( Palmer, 1222, 
1224), region of San Luis Potosi 6000 to 8000 feet (Parry & Palmer, 805); Sovru 
Mexico, Orizaba (Botteri, 582), Real del Monte (Coulter, 1439), near Tacubaya 
(Bourgeau, 640); Guatemata (Skinner). Hb. Kew. 
B. lasiocarpa, Boiss. in DC. Prodr. xv. 2, p. 72. 
Mexico, near Tanquesillos (Karwinskt). 
>. rigida, Engelm. in Torr. Bot. U.S. & Mex. Bound. Surv. p. 190. 
Norra Mexico, Rio San Pedro, Sonora (Wright), Monterey (Edwards). 
29. Euphorbia dioscoreoides, Boiss. Cent. Euphorb. p. 22, et Ic. Euphorb, 
t. 37, et in DC. Prodr. xv. 2, p. 58. 
Sourn Mexico, Zimapan (Coulter, 1460); Guatumata, below Santa Ata (Bernoulli, 
1079); New Spatn (hb. Pavon). Hb. Kew. 
30. Euphorbia discolor, Boiss. in DC. Prodr. xv. 2, p. 54. 
Adenopetalum discolor, K1. et Garcke, Tricoce. p. 49. 
Costa Rica, Aguacate and near San Jose (@irsted). 
31. Euphorbia exstipulata, Engelm. in Torr. Bot. U.S. & Mex. Bound. Surv. 
p. 189; DC. Prodr. xv. 2, p. 53; Boiss. Ic. Euphorb. t. 29. 
Texas; New Mexico.—Norrs Mexico, Sonora (Thurber). Hb. Kew. 
32. Euphorbia fendleri, Torr. et A. Gr. Pacif. Railr. Rep. ii. p. 175; DC. 
Prodr. xv. 2, p. 38, | 
Texas; New Mexico.—Norta Mexico, Sonora (Thurber). Hb. Kew, 
33. Euphorbia floribunda, Engelm.; DC. Prodr. xv. 2, p. 39. 
Sour Muxico, Guadalajara (Gregg, 856). Hb. Kew. 
