Fig. 533. Poa annua LiDn. Sp. PL 68. Low Spear grass or 

 Summkr-grass. — A low, tufted annual, with erect or ascending, 

 somewhat flattened stems 0.5 to 3 dm. high, smooth, flat, spread- 

 ing leaves, and short, pyramidal panicles. Spikelets (a) 3- to 

 6-flowered, about 4 mm. long, with slightly unequal empty 

 glumes and obtuse flowering glumes which are hairy on the 

 nerves below and pilose at the base. — Fields and waste places, 

 dooryards, etc., throughout the United States and British America. 

 [Europe.] April-September. 



