55 



Fig. 37. Panicum lineare Krock (Panicum glabrnm Gaud.; 

 Synthcrisma linearis Nash). Smooth Crab-grass. — A sleuder, 

 glabrous annual 1.5 to 3.5 dm. high, with culms which are much 

 branched below, Hat leaves, and 2 to 6 slender diverging spikes. — 

 Naturalized in waste and cultivated land ; Nova Scotia to Ontario 

 and South Dakota, soutli to Florida and Texas. [Europe. ] 

 October. 



August- 



