Xo. .'{2. 

 AGROSTIS HALLIl \;isc\, Conlr. N:if. II. mI,. ill. 71. 



I'liiiil pciciiiiial. Iioiii tliitlv liit'tsol' roots. 



Ciiltiin I'lect. siiiij)lt', .siiiootli, stdul, iif leiifftli naked above, 2 to .'{ I'oi-t lii<;li. 



LeHvex from the base miiiRuoiis, mostly involute. Leaves ot the eiilm .'5 to "»; 

 sheaths slightly roughened, close, usually crowded below, middle and upper ones 

 shoi-ter tlian iiiternodes: blades Hat, his])id on both sides, erect. I to L' lines wide. .'! 

 to <J iuelies lony: li.nule meinbraiuwi'ous, acnte. deeuiieni, li lines lony. 



I itflorenccticc a rather closely llowered. narrow, erect panicle (i to !t inches long; 

 common axis slender, stiaiglit, smooth, and shinini; or liispidulons toward tlieextrcni- 

 ity; rays in clnsters of ~> to jnany, semixerticillate at the (> to '.I rather distant nodes, 

 slender, scabrous, erect or slightly spreading, unequal, the longest 1 to I inches long, 

 bearing beyond the ndddlc rather ciowded, pedicellate spikelets. 



.S/<//,r/('/.v lanceolate, turgid, 1-tloweii'd, 1 to \\ lines long; empty glumes jiersistent, 

 lanceolate, acute, convex, usually lunple, hispid on the keel, 1-nerved, subequal (second 

 slightly shorter), I to IJ lines long; tloral glume oblong, obtuse, thin, smooth, except 

 2 tnfts of short hairs at the base, •"> nerved, rl line long: palet w^anting; grain oblong, 

 tajicring toward the apex, yellow, opaipie. lalling with tlie tloral gbime. 



I'L-vrK XXXII; rt, spikelet enlarged about 12 times: /;, empty glumes: c lloial 

 gluiiii', dorsal view: //, tloral glumes, stamens and ])istil. 



('alil'oi Ilia, ()reuon, and Wasiiins^ton. I'rolialih a \aliialile iiieadii«' grass. 



