78 



Fig. 56. Arctagrostis latifolia (R.Br.) Griseb. (Colpodium latifolium R. Br.) 

 BROAD-LEAFED ARCTIC BENT.— a, Empty glumes; b, floret showing the 

 scabrous flowering glume and palea. Fig. 475 in Bui. 17 illustrates another 

 species of Arctagrostis. 



5G. ARCTAGROSTIS Griseb. in Ledeb. Fl. Ross. 4 : 434. 1853. Spikelets 

 1-flowered, hermaphrodite. Empty glumes 2, slightly unequal, somewhat acute, 

 membranaceous, awnless ; the 3d or flowering glume usually a little longer 

 than the outer ones, obtuse or subdentate at the apex, imperfectly 5-nerved, 

 awnless, somewhat herbaceous in texture. Palea as long as its glume, obtuse 

 or bidentate. Stamens 2 or 3. Styles distinct, very short ; stigmas plumose. 

 Caryopsis included within the glume and palea, free. A perennial csespitose 

 grass, with flat leaves and narrow, terminal panicle of rather large spikelets. . 



Species 1, in the arctic regions of North America and Europe. 



