BRITTON AND ROSE] OPUNTIOIDEAE; 01? NORTH AMERICA 5*5 



Series PUBESCENTES 



Characterized by finely pubescent joints and ovaries; but some 

 glabrous species apparently have to be admitted to it. 



OPUNTIA DECUMBENS Salm-Dyck 



Opuntia decumbens Salm-Dyck, Hort. Dyck. 361. 1834. 



? Opuntia repens Karw. ; Salm-Dyck. loc. cit. 



Opuntia irrorata Mart. ; Salm-Dyck, Cact. Hort. Dyck. 69. 1850. 



Type locality: Mexico. 



Distribution: Southern Mexico to Guatemala. 



Illustration: Bot. Mag. pi. 3914. 



OPUNTIA BASILARIS Engelm. & Bigel. 

 Opuntia basilaris Engelm. & Bigel. Proc. Am. Acad. 3:298. 1856. 



Type locality: From Cactus Pass down the valley of the Bill 

 Williams River. 



Distribution : Arizona and Sonora. 



Illustrations : Pac. R. Rep. 4 : pi. 13. figs. 1-5; pi. 23. fig. 14; W. 

 Watson, Cact. Cult. i}g. 76; Forst. Handb. Cact. ed. 2. fig. 129; Cact. 

 Journ. 1 : 132. 



OPUNTIA BASILARIS RAMOSA Parish 



Opuntia basilaris ramosa Parish, Bull. Torr. Club 19:92. 1892. 



Type locality : Dry washes and gravelly benches of the Mohave 

 and Colorado deserts. 



Distribution : California and Arizona to Utah. 

 Illustration: Cact. Journ. 1 : 167, as O. basilaris. 



OPUNTIA TRELEASEI Coult. 



Opuntia treleasei Coult. Contr. Nat. Herb. 3:434. 1896. 



Type locality : Caliente, in the Tehachapi Mountains, California. 

 Distribution : California. 



OPUNTIA TRELEASEI KERNI Griffiths & Hare 



Opuntia treleasei kerni Griffiths & Hare, Bull. N. Mex. Coll. Agr. 60: 

 81. 1906. 



Type locality: Near Kern, California. 

 Distribution: Southern California. 



