AGROSTlDEiaj;. 233 



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

 glumes and hairs. 



Montana, Andvrxou; Colorado, Jones 200; Arizona, Jones 4764; 

 liritish Columbia, Macotoi ; Oregon, JloioeU. 



A grass of peculiar apj)eara»H'e. prominent as a " buneh-grass '' 

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



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

 Ori/zopsis Webberi IJenth. Vasey, Gram. I'. S. 'V-\ (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-O.G mm. 

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

 one 2-3 cm. long. Panicles narrow, simple, 3-0 em. long; rays 

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

 glumes acuminate, often tinged with ])iirple, about 8 mm. long; 

 floret 6 mm. long with a sliort callus, deciduous: floral glume 5- 

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

 minutely 2-lobed, clothed with copious silky white hairs. 2 mm. 

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

 long, sleiuler, curved, caducous. Anthers naked. 



California (Sierra \'alley), Balirndcr and KcUtifjfi in 1871; Ne- 

 vada. .h))te!< IS'.n. 



4!). (111). Milium L. Sp. PI. Gl (1753). Miliarium ^Wnch, 

 Meth. 204 (17!»4). 



Si)ikelets l-tlowcrcd. loosely paniculate, racliilla articulate above 

 the lower glumes, not exteiuling above the lloret. Km])ty glumes 

 membranous, convex, obtuse, awnless, ])ersistent, sube([ual, floral 

 glume and i)alea coriaceous, the former awnless with 3 obscure 

 nerves, the latter 2-uerved. 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 G species found in Europe and Asia, one of which 

 is also widely dis[)ersed in \orth America. 



"Theoretically the lower glume is wanting, while the empty 



