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Fig. 617. Elymus condensatus Presl, Reliq. Haenk. 1 : 265. 

 1830. Giant Rye grass. — A stout, erect perennial 10 to 24 dm. 

 high, often growing in great clumps or bunches, with long, rather 

 rigid, fiat leaves and dense spikes 10 to 30 cm. long. Spikelets 3 to 6 

 flowered, with subulate empty glumes (a) and smooth, mucronate- 

 pointed flowering glumes 8 to 10 mm. long. — Usually moist and 

 alkaline soils, Nebraska and the Dakotas to Washington and Ore- 

 gon, south to Arizona and California. June-September. 

 19819—^0.17 21 



