259 



Fig. 241. Eragrostis purshii Schrad. Southern Spear- 

 gkass. An annual, 1 to 4 dm. high, with tlie erect or ascending 

 culms diffusely branching near the base, and diffuse panicles of 

 small, spreading spikelets. Sandy river banks, waste ground, 

 etc., Massachusetts and < Ontario to South Dakota and California, 

 south to Florida. Texas, and Arizona. [Mexico.] .June-October. 



