AGROSTIDKai;. 233 



mm. above tlie apex, the stout awn usually extending beyond the 

 glumes and hairs. 



Montana, Anderson; Colorado, Jones 200; Arizona, Jones VI Q^\ 

 British Columbia, Macon n ; Oregon, Howell. 



A grass of peculiar appearance, prominent as a '* bunch-grass " 

 in poor land, from Missouri to the Sierras, Xew Mexico, Texas. 



2. E. Webberi Thurb. S. Wats. Bot. Calif. 2:283 (1880). 

 Oryzopsis Wehberi Benth. Vasey, Gram. U. S. 23 (1883). 



A densely tufted slender perennial, 8-15 cm. high. Sheaths of 

 the sterile shoots smooth, crowded, the old ones often destitute of 

 the deciduous blade; ligule rounded, obscure; blades scabrous, in- 

 volute, rigid, pungent at the apex, 4-7 cm. long, 0.4-0.6 mm. 

 diam. ; upper ligule 1 mm. long; blades of the culm 3-4, the upper 

 one 2-3 cm. long. I'auicles narrow, simple, 3-6 cm. long; rays 

 slender, erect, the lower in threes, bearing 1-3 spikelets. Empty 

 glumes acuminate, often tinged with purple, about 8 mm. long; 

 floret 6 mm. long with a short callus, deciduous; floral glume 5- 

 nerved, the lateral nerves above approaching the central one, apex 

 minutely 2-lobed, clothed with copious silk}^ white hairs, 2 mm. 

 long; palea as long as its glume and hairy on the back; awn 4 mm. 

 long, slender, curved, caducous. Anthers naked, 



California (Sierra \'alley), Bolander and Kellogg in 1871; Xe- 

 Tada, Jones 1891. 



49. (111). Milium L. Sp. PI. 61 (1753). Miliarium Moench, 

 Meth. 204 (1794). 



Spikelets 1-flowercd, loosely paniculate, rachilla articulate above 

 the lower glumes, not extending above the lloret. Empty glumes 

 membranous, convex, ol)tuse, awnless, persistent, subequal, floral 

 glume and palea coriaceous, the former awnless with 3 obscure 

 nerves, the latter 2-nerved. Stamens 3. Styles short, distinct. 

 Grain ovoid or oblong, enclosed in the shining floral glume and its 

 palea, but not adherent. 



Annuals or perennials with flat leaf-blades. 



There are 5 or 6 species found in Europe and Asia, one of which 

 is also widely dispersed in Xorth America. 



" Theoretically the lower glume is wanting, while the empty 



