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Fig. 563. Colpodium pendulinum (Laest.) Griseb. in Ledeb. 

 Flor. Eoss. 4 : 386. 1853. Nodding Colpodium. — A smooth, 

 erect perennial 6 to 7 dm. high, with flat leaves and open, nod- 

 ding panicles about 12 cm. long. Spikelets (a) oblong, 4- to 6- 

 flowered, 4 to 6 mm. long, with smooth, nearly equal empty 

 glumes and broadly ovate-obloug flowering glumes which are 3 

 to 3.5 mm. long, with a few short hairs at the base. — Moist banks, 

 British America and Alaska. [Northern Europe.] July, August. 



