N(.. 37. 

 CALAMAGROSTIS BREWERl Tlnul>. Bot. Cal. ii. 280. 



i'laiil ])« Tciiiiial, ill small, dense tufts. 



('ulviH eri'ct, simple, slender, smo(jtli, and wiry, about 1 foot liiyh; nodes hlack. 



Lean's fi'om the base, abundant, with scarions sheaths and setac-eonsly invcjlute 

 blades .'i iuehes long. Leaves of culm usually but one above the base; sheath close, 

 striate, smooth, 1 to 1! inches long: blade erect, scabrid, involute, 1 inch long or less; 

 ligule narrow, acute, 1 line long. 



luHorexcenvn a loose-spreading panicle li to 3 inches long: rays .solitary or in twos 

 or threes, sjireading or even deflexed, j)Uii)le. the lower .1 to 1 inch long, bearing _ or 

 3 spikelets at the ends. 



jV/Jf.fccie/s on pedicels aboute<|uali.igtheuiselves, turgid. 1 llowcied. 1 .] to 'J. Ii?ies long; 

 empty glumes neaily eiinal (se<'ond slightly loriger). lanceolate, acute. con\ex. ])urple. 

 scarious-margined, smooth, Iiierved (or second obscurely .S-nervcd), 1.1 to L' lines long: 

 floral glume oblong, 4-toothed at (lie ol)tu8e apex, thin, niinutely scabrid or nearly 

 smooth, 4-nerved, lA lines long; hairs of the callus short, of the riiilinieiit '-; as long 

 iis the glume; awn attached near the base, cxserted a line oi' more: jjalet oblong, 

 obtuse, or bidentate at the apex, thin, smooth, 1.^^ lines long: grain oblong. Ilattened, 

 yellow, o])a(iue, ',' line long: lodicules nu'nute or absent. 



I'LATr: X.XXVII: a. cmpt.\' glumes eidarged S times; li. indiment and (lore) with 

 glume anil i)alet spread to show tiie stamens: c lioral glume, dorsal view. 



In the Sierras of Califoruui, at an altitude ol '.t,Ot>0 to J(),Ult(.i feet. 



