224 



Fig. 206. Bouteloua trifida Thurb. ; Beal, Grasses N. Am., 2 : 

 421. Small Grama. — A delicate perenuial 1 to 3 dm. high, with 

 short, narrow leaves, and three to seven ascending spikes usually 

 about 2 cm. long. — Mesas and sandy plains, Texas to Arizona. 

 [Northern Mexico.] May-October. 



