612 CLXL GRAMINEZ. Ka@eria. 
about 8’ long; sheaths veined, smooth with obsolete stipules;-panicle branched, 
spreading, somewhat I-sided, branches subsolitary; spikelets lance-linear, 7—9- 
owered, about 8” long; lower glume smaller ; lower palea acuminate.—2, Intro- 
duced in fields and meadows. June, July. 
4. F. puriusctua. Hard Fescue Grass. 
St. smooth, 12—18’ high; dvs. linear, very acute, a little scabrous ; stipules 
membranaceous, lacerate; panicle oblong, spreading, inclining to one side, 
branches in pairs; spikelets nearly terete, 5—7-flowered ; lower glume smaller, 
wpper one 3-veined ; pale@ unequal, lower with short awns.—| Fields and pas- 
tures. A fine grass, common, Car. to Can. June, July. 
5. F. nutans. Willd: 
St. erect, slender, smooth, with black nodes, about 3f high; dvs. narrow- 
linear, a foot long, veined; panicle slender, diffuse, at length nodding, branches 
in pairs ; spikelets lance-ovate, 3—5-flowered ; fls. smooth, awnless and nearly 
veinless.—2| Open woodlands, in most of the States. June. 
6. F. rascicunaris. Willd. 
St. much branched from the base, with short internodes, procumbent, 
geniculate, 12—18’ long; ls. linear, very long; 5-veined, scabrous, on long, 
loose sheaths; panicle erect, inclining to one side, with strict, spike-form 
branches; spikelets appressed, secund, 8—10-flowered; glwmes 1-veined, lower 
one very short; lower palee tipped with awns of their own length—qQ) Wet 
meadows, Mid. States. Aug. 
7. F. ovina. Sheep’s Fescue. 
St. erect, ascending at base, 6—10’ high; lws. very narrow, rough, radical 
ones very numerous, 2—4’ long, cauline few, short, erect; panicle few-flowered, 
simple, contracted ; spikelets ovate, 4-flowered; pale@ roundish.—2 ? A valu- 
able grass, recently introduced. June. 
8. F. Mytrus. , 
St. 6—12’ long, erect, geniculate near the base; lvs. 2—3/ long, subulate, 
concave ; siip. bifid or retuse; panicle slender, crowded; spikelets 4—7-flowered ; 
glumes minute, equal; js. subulate, hairy; lower palee with an awn twice its 
length; sta. 1; stig. plumose, white-—@ Sandy fields, N. J. to Car. 
37. DIARRHENA. Palis. 
Gr. dts, two, apenvns, rough; from the two scabrous keels of the upper palex. 
Panicle racemose *or simple; glumes 2, very unequal, 2—5-flow- 
ered, rigid, acuminate, mucronate ; pales cartilaginous, lower cuspi- 
date, upper much smaller, emarginate; caryopsis coated, as long as 
the upper palea: scales ovate, ciliate. 
D. pianDra. Wood. (D. Americana. Palis. Festuca diandra. “eg 
St. erect, nearly leafless, slender, rigid, 15—30’ high; dvs. few, subradical, 
broadly linear, flat, rough-edged, 10—16’ by 5—7”’, nearly glabrous; sheaths 
close; stip. obsolete ; panicle very simple and slender, branches erect, few ; spike- 
lets 2-flowered ; glwmes broad-ovate, upper twice larger, 5-veined; pale@e much 
longer than the glumes, the upper with 2 roughish, green keels, and conspicu- 
ously mucronate; sta. 2%—River banks, Ohio to III. ! 
38. KGZLERIA. Pers. 
In honor of M. Keeler, a German botanist. 
Spikelets compressed, 2—3-flowered; glumes 2, unequal, shorter 
than the flowers; upper flower pedicellate, with a short, awn-like rudi- 
ment at the base of the upper palea; paleze 2, the lower awnless, or 
awned beneath the tip. | 
1. K. cristata. Smith. (K. nitida. Nutt. K. tuberosa. Pers. ?) 
St. 20—30’ high, smooth, leafy to one-half its height, rigidly erect; lvs. 
flat, erect, pubescent, 2—3’ by 1—2’’, shorter than their pubescent sheaths ; stip. 
short, lacerate ; panicle spicate, narrow, 3—5’ long, 6—8” diam., branches ve 
short; spikelets 2" long, silvery and shining, compressed, about 2-flowered, wit 
