191 



Fig. 487. Calamagrostis inexpansa A. Gray in Torr. Fl. N. Y. 



2 : 445, t. 152. 1843. (Calamagrostis confinis A. Gray, Man. Ed. 2, 

 547, not Nutt. ?) Bog Eeed-grass. — A slender, erect perennial 



3 to 6 dm. high with narrow, flat leaves and contracted panicles 

 5 to 18 cm. long. Spikelets 3 to 4 mm. long with nearly equal, 

 acute empty glumes (a) about the length of the flowering glume, 

 the basal hairs of which nearly equal it in length or are one-third 

 shorter. — Damp, sandy soil, New York and New Jersey westward 

 to South Dakota and Colorado. July-September. 



