I 



198 



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

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

 nial 6 to 12 dm. liigb, with long, flat leaves and open, pyramidul 

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

 brous, 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. 



