213 



Fig. 195. Bouteloua curtipendula (Michx.) Ton. (B. raceviosa 

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

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

 ing or reflexed siiikes seattend along the common axis, forming a 

 long, somewhat one-sided raceme 20 to 40 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.] May-October. 



