No. 95. 

 BROMUS SUKSDORFI1 Vasey, Bot. Gaz. x. 223 (1885). 



Plant perennial, in tufts or small bunches, with matted, almost woody base and 

 coarse roots. 



Culms erect, striate, nearly smooth, naked £ way below the panicle, 2 feet tall. 



Leaves of the culm 4 to 6; sheaths striate, smooth, half open at the throat, usually 

 exceeding the internodes; blades erect, fiat, auriculate at the base, 2 to 4 lines wide, 

 3 to 6 inches long, the middle ones longest ; ligule obtuse, crenulate, 1£ hues long or 

 less. 



Inflorescence a close, strict, erect panicle 3 to 5 inches long; rays 2 to 4 at each of 

 the 4 or 5 nodes, erect, unequal, 2 inches long or less, bearing appressed, short-pedi- 

 celled spikelets. 



Spikelets narrowly lanceolate, acute, 4- to 6-flowered, f to 1 inch long, the florets erect 

 and closely imbricated; empty glumes oblong-ovate, obtuse, smooth, or slightly pubes- 

 cent on the nerves, the first 1-nerved or indistinctly 3-nerved, 4 to 5 lines long, the 

 second 1 line longer and 5-nerved ; floral glume lance-ovate, acute or sub-obtuse, finely 

 pubescent, 7-nerved, 6 to 7 lines long, with a straight awn 2 lines long at the apex ; 

 palet oblanceolate, rounded at the apex, sparsely ciliate on the keels, 1 line shorter 

 than the glume ; grain oblong, with broad, shallow groove on one side, acute at the base, 

 with a tuft of hairs at the rounded apex, reddish yellow, semitranslucent, 4 lines 

 long ; internode of rachilla smooth, 1 J lines long. 



Plate XCV; a, spikelet; b, first empty glume; c, second empty glume; d, floral 

 glume; e, palet not opened, ventral view; /, grain. 



Oregon and Washington in the dry mountains at 5,000 to 7,000 feet altitude. 

 The species is well marked by the short, close panicle. 



