75 



FlG. 57. Panicum sphaerocarpon Ell. : Britton and Brown, 

 111. FL, 1: 116. Round-flowered Panic. — A tufted, erect, or 

 ascending perennial 25 to 60 cm, high, with rather broad, linn, 

 and nearly erect leaf blades, diffuse many-flowered panicles and 

 small, rounded spikelets. — Dry or moist woods and fields, Maine 

 to southern Ontario, Wisconsin, Indian Territory, Texas, and 

 Florida. [Mexico and (Guatemala.] May-October. 



