BRITTON AND ROSE] OPUNTIOIDEAF, OF NORTH AMERICA 517 



1981, type) ; also at mouth of Tomellin Canyon by Rose and Painter, 

 September, 1905 (no. 10,110), and by Rose and Rose, September, 

 1906 (no. 11,386). 



Type in U. S. National Herbarium, no. 569,373. 



This species is near O. puberula, but with differently shaped joints 

 and different spines. 



OPUNTIA DEPRESSA Rose, sp. nov. 



Low creeping or spreading plant, sometimes 60 cm. high and form- 

 ing a patch 3 to 4 meters in diameter; joints of a dark glossy yellow- 

 ish green color, pubescent; when young, obovate, 20 cm. long, usu- 

 ally with one long, somewhat curved spine at each areole, sometimes 

 with 1 to 3 shorter Ones, all yellowish; old joints oblong, 30 cm. 

 long, bearing 4 to 6 spines at the areoles ; flowers red ; fruit small, 

 globular, with large clusters of brown glochides, when immature 

 with a broad deep umbilicus. 



Type in U. S. National Herbarium, no. 453,648, collected by Rose 

 and Painter near Tehuacan, Mexico, 1905 (no. 10,146) ; also col- 

 lected by Rose and Rose, 1906 (no. 11,428). 



OPUNTIA TOMENTOSA Salm-Dyck 



Opuntia tomentosa Salm-Dyck, Obs. Bot. 8. 1822. 

 Cactus tomentosus Link, Enum. Hort. Berol. 2:24. 1822. 

 Opuntia oblongata Wendl. Cat. Hort. Herrnh. 1835. 



Type locality: Not cited; doubtless Mexico. 



Distribution : Mexico. 



Illustration: Monatsschr. Kakteenk. 16: 121. 



OPUNTIA PUBERULA Pfeiff. 



Opuntia puberula Pfeiff. Enum. Cact. 156. 1837. 



Type locality: Mexico. 

 Distribution : Mexico. 



OPUNTIA GOSSELIANA Weber 



Opuntia gosseliana Weber; Schum. Gesamtb. Kakteen Nachtr. 154. 1903. 



Type locality : Coast of Sonora on the Gulf of California. 

 Distribution: Sonora and Lower California. 

 Illustration : Monatsschr. Kakteenk. 17: 68. 



