122 



Fig. 418. Aristida oligantha Mx. Flor. Bor. Am. 1 : 41. 1803. 

 Prairie Triple-awn. — A tufted, niuch-branched native annual, 

 with slender stems 2 to 4 dm. high, loose sheaths, narrow leaves 

 and lax, few-flowered panicles. — In poor, dry soil from the Middle 

 States southward to Louisiana and Texas and also in Oregon and 

 California. July-October. 



