Fig. 196. Bouteloua aiistidoides Tburb. ; Beal, GraaeesN. Am., 

 2 : 425. Six-weeks Mesquit. — A slender, densly tufted and much 

 branched annual (?) 1 to 3.5 dm. high, with short, narrow leaves, 

 and three to twelve very narrow and few- (sometimes only one-) 

 flowered spikes. — Texas to southern California. [Mexico and 

 Lower California.] August, Sejjtember. 



