98 EUPHORBIACE. 
65. Euphorbia erstediana, Boiss. in DC. Prodr. xv. 2, p. 59. 
Poinsettia erstediana, Kl. et Garcke, Tricocce. p. 108. 
Guatemaia (Friedrichsthal) ; Costa Rica, Naranjo (Grsted). 
66. Kuphorbia orizabe, Boiss. in DC. Prodr. xv. 2, p. 147. | 
Soutn Mexico, peak of Orizaba, 8000 to 10,000 feet (Galeotte, 3737 ; Linden, 791). 
Hb. Kew. 
67. Euphorbia pediculifera, Engelm. in Torr. Bot. U.S, & Mex. Bound. Surv. 
p- 186; DC. Prodr. xv. 2, p. 48. 
NortH Mexico, Sonora (Wright, 1848; Schott). Hb. Kew. 
68. Kuphorbia peganoides, Boiss. Cent. Euphorb. p. 22, et Ic. Euphorb. t. 40, 
et in DC. Prodr. xv. 2, p. 62. 
New Spain (hb. Pavon). 
69. Euphorbia physalifolia, Boiss. Cent. Euphorb. p. 19, et Ic. Euphorb. t. 34, 
et in DC. Prodr. xv. 2, p. 56. 
New Spaln (hb. Pavon). 
70. Euphorbia pilosula, Engelm. ; DC. Prodr. xv. 2, p. 39. 
Mexico, Tiristiran (Gregg, 792). Hb. Kew. 
71. Euphorbia pilulifera, Linn. Amen. Acad. iii. p. 114; DC. Prodr. xv. 2, 
p. 21; Jacq. Ic. Pl. Rar. iii. t. 478. 
Euphorbia globulifera, H.B. K. Nov. Gen. et Sp. i. p. 56. 
Fioripa to Texas and New Mexico.—Norra Mexico, region of San Luis Potosi, 
6000 to 8000 feet (Parry & Palmer, 809); Sourn Mexico, region of Orizaba (Botterd, 
597), valley of Cordova (Bourgeau, 1680); GuatemaLA, Mazatenango (Bernoulli, 87, 
80); Nicaracua, Greytown (Tate, 855); Costa Rica (Hndres); Panama, Chagres 
(Fendler, 274).—Common in Tropical and Subtropical SourH America and the WEstT 
Inpigs; also widely dispersed in the warm regions of the OLD WorLD. Hb. Kew. 
6. procumbens, Boiss. in DC. Prodr. xv. 2, p. 21; DC. Cat. Hort. Monsp. p. 111 
(species). 
Euphorbia gemella, Lag. Nov. Gen. et Sp. p. 17. 
NortH Mexico, region of San Luis Potosi, 6000 to 8000 feet (Parry & Palmer, 815) ; 
SoutH Mexico, Oaxaca (Botteri, 596 ; Sumichrast).—Southward to Brazit and in the 
West Inpizs. Hb. Kew. 
72. Euphorbia podadenia, Boiss. in DC. Prodr. xv. 2, p. 40. 
Soutn Mexico, valley of Mexico (ex Botssier). 
73. Euphorbia polycarpa, Benth. Bot. Voy. ‘Sulphur,’ p. 50; DC. Prodr. xv. 
2, p. 44. 
CaLIFORNIA.—NortH Mexico, Sonora Alta (Coulter, 1448), banks of the Gila (Emory). 
Hb. Kew. 
