203 



Fig. 499. Avena fatua Linn. Sp. PI. 80. Wild Oat.— An erect, 

 glabrous annual 6 to 12 dm. liigb, with Hat leaves and spreading 

 panicles of large oat-like, nodding spikelets. Spikelets 2-to 4- 

 flowered, with long (1.5 to 2 cm.) empty glumes (a) and pubes- 

 cent flowering glumes {h) 12 to 18 mm. long. Awns nearly twice 

 as long as the spikelets. — Fields and waste places from Minnesota 

 westward; abundant in grain tields on the Pacific slope. [Intro- 

 • duced from Europe.] June-September. 



