198 



Fig. 494. Calamagrostis langsdorffii Trin. Gram. Unifl. 225, 

 t. 4, f. 10. 1824. Laxgsdorf's Reed-bent. — A stout, erect peren- 

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

 panicles 4 to 12 cm. long. Spikelets with long-acuminate, sca- 

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

 Newfoundland to Alaska and southward to the mountains of 

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

 September. 



