534 SMITHSONIAN MISCELLANEOUS COLLECTIONS [vol. 5° 



OPUNTIA POLYACANTHA PLATYCARPA (Engelm.) Coult. 



Opuntia missonriensis platycarpa Engelm. Proc. Am. Acad. 3:300. 1856. 

 Opuntia polyacantha platycarpa Coult. Contr. Nat. Herb. 3: 436. 1896. 



Type locality : On the Yellowstone, Montana. 

 Distribution : Idaho and Montana to Utah, Colorado, and Ne- 

 braska. 



Illustration : Pac. R. Rep. 4 : pi. 14, fig. 4. 



OPUNTIA POLYACANTHA BOREALIS Coult. 



Opuntia missouriensis microspcrma Engelm. & BiGEL. Proc. Am. Acad. 3: 



300. 1856. Not O. raiinesquii microspcrma Engelm. loc. cit. 295. 

 Opuntia polyacantha borealis Coult. Contr. Nat. Herb. 3:436. 1896. 



Type locality : On the Missouri above Fort Pierre, S. D. 

 Distribution: "From British Columbia to Oregon and South 

 Dakota."— Coulter. 



Illustrations : Pac. R. Rep. 4 : pi. 14. figs. $-7; pi. 24. figs, i, 2. 



OPUNTIA POLYACANTHA ALBISPINA (Engelm. & Bigel.) Coult. 



Opuntia missouriensis albispina Engelm. & BiGEL. Proc. Am. Acad. 3: 



300. 1856. 

 Opuntia polyacantha albispina Coult. Contr. Nat. Herb. 3: 437. 1896. 



Type locality: Sandy Mountains near Albuquerque, New Mexico. 



Distribution : New Mexico and Oklahoma. 



Illustrations : Pac. R. Rep. 4 : pi. 14, figs. 8-10; pi. 23. fig. 18. 



OPUNTIA POLYACANTHA WATSONI Coult. 



Opuntia polyacantha zvatsoni Coult. Contr. Nat. Herb. 3:437. 1896. 



Type locality : Wahsatch Mountains, Utah. 



Distribution; Nebraska and Wyoming to Colorado, Utah, and 

 New Mexico. 



OPUNTIA SCHWERINIANA Schum. 



Opuntia schuwiniana Schum. Monatsschr. Kakteenk. 9: 148. 1899. 



Type locality : Near Sapinero, Colorado. 



Distribution : Known only from the type locality. 



Illustration : Monatsschr. Kakteenk. 9 : 148. 



This was indicated by Schumann 1 as belonging to the Fulvi- 

 spinosae, but in his "Keys" to Cactaceae, page 65, is properly placed 

 in the Xerocarpeae, related to O. polyacantha (O. missouriensis). 



1 Gesamtb. Kakteen. Nachtr. 158. 



