213 



Fig. 195. Bouteloua curtipendula (Michx.) Torr. (B. racemosa 

 Lag.). Tall Grama or Side Oats.— A densely tufted perennial 

 3 to 9 dm. high, with numerous (twenty to sixty), usually spread- 

 ing or reflexed spikes scattered along the common axis, forming a 

 long, somewhat one-sided raceme 20 to JO cm. long.— Dry fields, 

 hillsides, and prairies, New York and Ontario to New .Jersey, 

 Mississippi, Texas, California, and Manitoba. [Mexico and Cen- 

 tral and South America.] IMay-October. 



