196 



thp: cactaceae. 



Gray, FI. N. Amcr. i: 555. 1840). 



ider the name of Opuntia mtila Nuttall (Torrey anc 

 Ensrelmann referred it there in the Report of Simp 



Expedition (page 442), and again in the Botany of California, with the remark that 



~'' this plant seems to be Nuttall's long lost 0. mtiia." And while it is true that the identi- 



seems im 



I 



Tl 



4 



'i 



Fig. 242- — Opuntia erinacea- 



for the description does not agree with that of the above, and the original station of 0. rutila 



removed from 



rutila will prove to be O. polyacantha. 



Wyomi 



We 



form 

 tus. 



from the Mojave Desert, seems 



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i 



J 



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.*! 

 1 

 \ 



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known 



This 



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