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Fig. 19. HILARIA MUTICA (Buckl.) Benth. Journ. Linn. Soc. 19 : 62. 1881. 

 {Pleuraphis mutica Buckl. Proc. Acad. Nat. Sci. Phil. 1862 : 95. 1862.) BLACK 

 GRAMA.— A smooth, branching perennial 4-6 elm. (16'-24') high, with densely 

 flowered, usually straw-colored, cylindrical spikes about 5 cm. (2') long. 

 Spikelets (a) 4-6 mm. (2"-3") long with a tuft of long hairs at base, middle 

 spikelet (c) perfect, lateral ones (b) staminate.— Dry mesas, Texas to southern 

 California. May to September. Valued for forage, especially for grazing. 



