EUPHOEBIACEtE. 85 



EUPHORBIACE^E. 



[iii. p. 90.] Euphorbia acuta, Engelm. ; DC. Prodr. xv. 2, p. 18 ; S. Wats, in 

 Proc. Am. Acad, xviii. p. 150. 



Texas.— Noeth Mexico, Juraz, Coahuila (Palmer). 



[iii. p. 91.] 7. Euphorbia ammatotricha, Boiss.?; S. Wats, in Proc. Am. 

 Acad, xviii. p. 151. 



Noeth Mexico, region of San Luis Potosi (Schaffner, 854 and 856, in part ; Parry 

 & Palmer, 813). 



[iii. p. 91.] 14*. Euphorbia (Zygophyllidium) biformis, S. Wats, in Proc. 



Am. Acad, xviii. p. 151. 



Noeth Mexico, in the San Miguelito Mountains, San Luis Potosi (Schaffner, 860, 

 862), region of San Luis Potosi (Parry & Palmer, 806). 



[iii. p. 93.] 25. Euphorbia CUmbrSB, Boiss. ; S. Wats, in Proc. Am. Acad, xviii. 

 p. ]49. 



Noeth Mexico, in the mountains north of Monclova, Coahuila (Palmer, 1213). 



[iii. p. 93.] 30*. Euphorbia (Poinsettia) exclusa, S. Wats, in Proc. Am. 

 Acad, xviii. p. 150. 



Noeth Mexico, at San Lorenzo de Laguna, Coahuila (Palmer, 1218). 



[iii. p. 98.] 73. Euphorbia polycarpa, Benth. ; S. Wats, in Proc. Am. Acad, 

 xviii. p. 149. 



Noeth Mexico, Monterey, Nuevo Leon, and Juraz and San Lorenzo de Laguna, 

 Coahuila (Palmer, 1197, 1204, 1205). 



[iii. p. 99.] 78. Euphorbia radians, Benth. ; S. Wats, in Proc. Am. Acad. 

 xviii. p. 151. 



Noeth Mexico, region of San Luis Potosi (Schaffner, 857 ; Parry & Palmer, 822). 



[iii. p. 100.] 88*. Euphorbia Serpyllifolia, Pers. ; DC. Prodr. xv. 2, p. 43 ; 

 S. Wats, in Proc. Am. Acad, xviii. p. 151. 



Canada southward. — Noeth Mexico, San Luis Potosi (Schqffner, 854 and 1034 in 

 part ; Parry 8f Palmer, 810 in part and 811). 



[iii. p. 100.] 88**. Euphorbia Serrula, Engelm.; DC. Prodr. xv. 2, p. 33; 

 S. Wats, in Proc. Am. Acad, xviii. p. 149. 



New Mexico ; Texas. — Noeth Mexico, San Lorenzo de Laguna, Coahuila (Palmer, 

 1194), region of San Luis Potosi 6000 to 8000 feet (Parry & Palmer, 810 in part). 



[iii. p. 101.] 91*. Euphorbia (Cyttarospermum) tenera, S. Wats, in Proc. 



Am. Acad, xviii. p. 150. 



Noeth Mexico, in the Sierra Madre south of Saltillo (Palmer, 2053). 



