125 



\ 



Fig. 107. Muhlenbergia pungens Thiub. ; Britton and Brown, 

 111. FL, 1 : 146. — A rigid, native perennial 3 to 4.5 dm. high, 

 with tirui, sharp-poiuted leaves and open X'^ui'les about 15 <m. 

 long. — Dry soil, sand hills and plains, Nebraska to Utah, Texas 

 and Arizona. July-October. 



