153 



Fig. 449. Muhlenbergia parviglumis Yasey, Contrib. Nat. Herb. 

 3:71. 1892. Small-glumed Drop-seed. — A slender, erect peren- 

 nial 3 to 6 dm. high, often branching, with rather rigid, narrow 

 leaves and narrow panicles 8 to 14 cm. long. Spikelets about 3 mm. 

 long, with minute, nearly equal and obtuse empty glumes (a), one- 

 fourth to one-fifth as long as the narrow, sharply two-toothed 

 flowering glume, which bears a slender awn between the teeth 12 

 to 20 mm. long. — Texas. September, October. 



