PLANTS FROM SOUTHEASTERN UTAH. 327 



154. Bouteloua oligostachya Torr., Gray's Man., ed. 2, 



553- 



First described as Atherofogon oligostachyum Nutt., 

 Gen., i, 78. 



Type locality: " On the plains of the Missouri; com- 

 mon." 



Collected along the San Juan River; occasionally met 

 with elsewhere, but rare. 



155. Elymus Canadensis L., Sp. Plant., 83. 

 Habitat: " In Canada." 



Collected near the head of Willow Creek; not ^ com- 

 mon. 



156. Hilaria Jamesii Benth., Journ. Linn. Soc, xix 

 (1881), 62. 



First described as Pleiwaphis yamesii Torr., Ann. Lye. 

 N. Y.,i (1824), 148, t. x. (Reference not obtainable). 



This was the most abundant and most nutritious grass 

 of the region, growing on the mesas above the San Juan 

 River. It was the feed upon which our animals chiefly 

 depended. 



157. Oryzopsis cuspidata Benth., ex Vasey, Gr. of U.S., 



23- 



Described as Eriocoma cuspidata Nutt., Gen. i, 40. 



Range of type: " On the grassy plains of the Missouri 

 from the Arikaree Village to the Northern Andes?" 



Collected near the San Juan River in Willow Creek 

 Canon; also noticed on Barton's Range, but not com- 

 mon. 



158. Panicum bulbosum H. B. & K., Nov. Gen. & 

 Sp., i, 99. Mexico. 



Reference from Index Kewensis (original publication 

 not accessible). 



