GRASSES OF IOWA. 



377 



Fig. 174. Slender wheat grass, {Ayropyi-on teneriun). This is a valuable grass 

 of the rocky mountain region, and has been established in numerous plaoes 

 In this state. (F. Lamson-Scrlbner, Div. Agrost. U. S. Dept. Agrl.) 



ing grass; thus this species would permit stock to pasture 

 several weeks earlier than any other of our common grasses. 

 This grass also responds readily to cultivation, and the fact 

 that it yields as well as timothy should commend it to the favor- 

 able consideration of the farmers of Iowa. Some tests of seeds 

 furnished by the U. S. Department of Agriculture, division of 

 Agrostology, to this station have done remarkably well, though 

 it was also cultivated here with equal success in 1889 and 1890. 

 The Agropyron caninum, or bearded wheat grass, is native to 

 the northwest portion of this state, but is much more common 

 in other sections of the country. This fibrous rooted some- 

 what slender upright perennial grass grows from 2 to 3 feet 



