ni 



Fig. 153. Aira praecox I.. Early Wild Oat-grass.— A tuftc-d, 

 erect or asceudiug annual 2 to 12 cm. high, with a contracted 

 panicle 1 to 2 cm. long.— Introduced and sparingly distributed in 

 the Middle States near the coast, growing in sandy soil. Also on 

 Vancouver Island. [Europe.] May-July. 



