301 



Fig. 597. Agropyron richardsoni Schrad. Linnsea 12 : 467. 

 1838, (fide Kew Index); (Triticum richardsoni Triii. in Reliq. in 

 Schrad., Linn. 12 : 467. 1838.) Richardson's Wheat-grass. — An 

 erect, smooth perennial, 6 to 8 dm. high, with rather rough, invo- 

 lute-pointed leaves and erect, usually one-sided, bearded spikes, 

 7 to 10 cm. long. Spikelets 3- to 4-flowered, with long-awned 

 flowering glumes 8 to 9 mm. long.— Dry soil, Nebraska and Min- 

 nesota to the Saskatchewan, and south to Colorado. June-Sep- 

 tember. 



