198 



Fk;. 49i. Calamagrostis langsdorffii Triu. Gram. Unifl. 225, 

 t. 4, f. 10. 1824. Langsdokf's Kkkd-hknt. — A stout, erect iktbii- 

 nial 6 to 12 dm. high, with loug, flat leaves and open, pyramidal 

 ])anie]e8 4 to 12 cm. long. Spikelcts with long-acuminate, sca- 

 brous, empty glumes (a) 4 to 6 mm. long. — Moist meadows, etc., 

 Newfoundland to Alaska and soutlnviird to the mountains of 

 New England, Colorado, Utali, and northern California. June- 

 September. 



