319 



Fig. 301. Elymus arenarius L. Sea Lyme-grass. — A stout, 

 erect perennial 6 to 12 dm. high, witli extensively creeping root- 

 stocks, rather firm, flat, sharii-pointed leaves and terminal, usually 

 densely flowered spikes X to 25 cm. long. Glumes usually villous. — 

 In maritime sands, Greenland and Labrador to Maine; Alaska to 

 California and on the shores of the Great Lakes. [Europe and 

 Asia.j July, August. 



