207 



Fig. 201. BOUTEX.OTJA BREVISETA Vasey, Contr. U. S. Nat. Herb. 1 : 58. 1890. 

 SHORT-AWXED GRAMA.— An erect, somewhat wiry and densely ceespitose 

 perennial 2.5-3.5 dm. (10'-14') high, the lower internodes covered with thin, 

 white bloom. Sheaths exceeding the internodes: leaves distichous, involute, 

 rigid, 2-5 cm. (l'-2') long. Spikes one to three, erect, or somewhat divergent, 

 about 2 cm. (1') long. Spikelets 3-4 mm. (li"-2") long; empty glumes (a) gla- 

 brous, the second one very acute, slightly shorter than the floret: flowering 

 glume {c) pubescent, its awns about 1 mm. (i") long: rudiment (b) bearded, its 

 awns about 2 mm. (1") long.— Southwestern Texas. September. 



