Key to the Grasses 



PAGE 



Panicle 2'-2o' long, pyramidal, open, branches spreading; spikelets 

 2-15-flowered, I "-4" long, flattened. 



Lace-grass 179 



Tufted Eragrostis . . . 179 

 Purple Eragrostis . . . 181 

 Panicle a'-g' long, pyramidal, open, branches slender; spikelets 2- 

 flowered; scales thin and shining; flowering scales toothed, 

 short-awned. Leaves narrow and involute. 



Wavy Hair-grass . . . 139 

 Tufted Hair-grass . . . 136 

 Panicle 6'-i5' long, pyramidal, many-flowered, very plumose in 

 maturity; spikelets 3-7-flowered. Tall, reed-like grass of wet 

 soil. Reed , . . 170 



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