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Fig. 539. Poa trivialis Linu. Sp. PI. 67. Rough-stalked 

 Meadow-grass. — An erect, usually slender perennial 3 to 9 dm. 

 high, with flat leaves and open, many-flowered panicles, 6 to 1.5 

 cm. long. Culms usually rough near the panicle. Spikelets 2- to 

 3-flowered, about 3 mm. long, with Tery acute empty glumes (a), 

 and strongly 5-nerved flowering glumes, silky-pubescent on the 

 keel below and with long, cobwebby hairs at the base. — Meadows 

 and roadsides throughout. [Europe.] May-August. 



