222 



Fig. l'04. Bouteloua oligostachya (Nutt.) Torr. Blub 

 Grama. A slender perennial 1.5 to 5 dm. high, with one to five re- 

 mote, pectinately many-flowered, usually spreading spikes 2.5 to 

 5 cm. long. Wisconsin to Montana, north to Manitoba and Al- 

 berta, south to Texas, Arizona, and southern California; also at 

 Tampa, Fla. [Mexico.] June-October. 



