No. L'9. 

 AGROSTIS yEQUIVALVlS Tiin. A-i.ist. i. Ilti. 



I'linit indljithlyiM-iciiiiial. tutted, with slciMlcr. kiKitti-d mot stocks, pale green with 

 usually jiurplc iiitlorescence. 



('hUhk erect, slender, sniootli. simple, 10 to 20 inc^lies high. 



LenreH of culm usually .'>; sheaths dose, smooth, lower exceediu}^ the internodes; 

 second shorter, upper much longer than the lower but at length exceeded by the grow- 

 ing culm; blades flat, nearly smooth, thin, erect, \h lines wide, lower .3 to (J inclies, 

 upper '1 to .3 inches long; ligule membranacetms, obtuse, 1 line long. 



TntlorcKcenrc a rather narrow, loose )>anic]e .'i to 5 inches long, usually included at 

 the base until maturity; common rachis slender, smooth; branches 2 to ."), semiveiti- 

 cillate at the rather distant nodes, slender, minutely roughened, at length si)reading, 

 i to lA inches long, si»ik<'let-bearing beyond the middle. 



SpiUelctH on pedicels u.sually equaling or exceeding themselves, hiuceolatc, tuigid, 

 Itiowered, 1 line long; empty glumes nearly equal, or second longer, lanceolate, a<;ute, 

 ctrnvex. smooth, Iiierved, 1 lini' long: tloral glume broadly oblong, obtuse, thin, 

 smooth, .j-nerved, j; line lung; palet oblong, thin, smooth, 2 nerved, iieai'ly e(|ualing the 

 glume, callous, miuute, obscurely pilose; sterile pedicel usually minute. Iiair\ above, 

 i as long ("fj as long," Triuius) as the tloral glume; grain oblong, greenish-yellow, 

 opatjue, h line long, free. 



I'LAi'iv XXIX; a, spikelet enlarged 10 times; />, empty glumes; c. tloral glume, 

 dorsal view; '/. i)alet. 



< alifornia to .\laska, ill (iani)) mossy places. One specimen tVoiii Sitka. .Ma.ska, 

 Trinius" tyjjc locality, dilfers froni those <les<Tibed in the jiarts of the --ijiki'ht lieing }^ 

 larger and the sterile i)edicel half as long as the glume. 



