242 



Fig. 224. Cathestecum prostratum Presl (C. (rectum Vasey 

 and Hack.); Beal, Grasses N. Am., 2 : 452. — Au extensively creep- 

 ing, slender perennial, with upright flowering branches 1 to 3 dm. 

 high, narrow, flat leaves, and clustered spikelets in terminal or 

 lateral racemes. — Dry mesas and bluffs along the Eio Grande 

 western Texas. [Mexico.] July-October. 



