794 Ohdeb 156.— GRAMINE^E. 



% Fls. awii(?d. — Awns conspicuous, about equaling or exceeding tlie pales Nob. X, t 



— Awns inucli sliortor tliau tlie lanceolate pales Nos. 8,4 



g Fls. awnlcss. — Panicle contracted, with slioft, ascending branchee Nos. 5, 6 



— Panicle very loose, with spreading or redexed Ijranches Nos. 7, 8 



1 F. MyCtrus L. Culm 6 — 12' long, erect, geniculate near the base; Ivs. 2 — 3' 

 long, suuulatJ, concave; stip. bifid or retuse; panicle slender, crowded; spikelets 

 4 — B-Howered ; glumes ininute, equal ; fls. subulate, hairy ; lower pale wiili an awn 

 iwicz its length ; sta. 1 ; stig. plumous, white. — ^CD Sandy fields, Car. to Ga, Mar., 

 Apr. 



2 F. tenella "Willd. Slender Fescue. Culm filiform, wiry, often growing in 

 tufts and geniculate at, base, G —12' ; Ivs. erect, linear-setaceous, 2 — 3' long ; slieaths 

 subpubiscont, with lacerated stipules ; pan. simple, contracted, ratlier sccund, 

 branches alone or in pairs; spikelets G to 9-flowered, with subulate, subequai 

 glumes, at length brownish ; fls. subulate, iJieir awns of dboui equal length.—^ 

 Sandy fields, N. Eng to 111. and S. States. 



3 F. ovina L. Sheep's Fescue. Culm erect, ascending at base, 6 — 10'; Its. 

 very narrow, rough, radical ones very numerous, 2 — i' long, caulino few, short, 

 erect; pan. few-fl/jwered, simple, contracted; spikelets ovate, about i-flowertd; 

 pale lance-ovate. — i( A valuable grass for pasturage. Ju. § Eur. 



p. viviP.iK.i. Glumes and pales changing to leafy tufts. — Mts. 



4 F. duriusoula L. Hard Fescue. Culm smooth 12 — 18' ; Ivs. linear, very 

 acute, a little scabrous; stipules membranaceous, lacerate ; pan. oblong, spreading, 

 inclining to one side, branches in pairs; .spHcelets nearly terete, 5 — 1-flowered; 

 lower giuma smaller, upper one S-veined ; paleaj unequal, lower with short awna. 

 — 1[ Fields and pastures. A fine grass, common, Car. to Can. June, July. 



p. RUBRA. Spikelets 7 to 11 -flowered; herbage often tinged with red. — Dry 

 fleld.s,- eastward. 



5 F. pratensis Huds. Meadow Fescue. Culm smooth, 3 — 4f high ; Ivs. lance- 

 linear, smooth, rough-edged, a, foot long, on smooth, loose sheaths ; panicle sub- 

 erect, branches short, in pairs, ascending; spikeleU lance-ovate, acute, 6 to Q-flow- 

 ered, 6 — 9" long, racemous on the branches; lower glume shorter; lower palesD 

 acuminate or mucronate. — -A fine grass, in meadows, U. S. and Can. Jn. § 



6 F. elatlor L. Tall Fescue Grass. St. smooth, 2 — 3f high ; Ivs. lance-linear, 

 veined, smooth, rough-edged, about 8' long ; sheaths veined, smooth with obso- 

 lete stipules ; panicle branched, erect in flower, spreading, somewhat 1-sided, 

 branches subsohtary, spikelets short, alternate somewhat secund, 2 to ^-flowered, 

 about 3" long ; pales smooth, chartaceous, barely acute. — Fields and meadows. 

 Jn., Jl.§ 



7 F. rigida Kunth. Oulm decumbent, ascending 3 to 5' ; Ivs. much shorter, subu- 

 late, involuto when dry; pan. subsimple, secund, an inch or two long, the branches 

 alternate, appressed; spikelets lance-linear, 5 to 9-flowered; fls. acutish, terete, 

 purplish. — In dry soils, Car., near the coast. Plant dwarf and rigid. Apr, May. 



8 F. nutans "WUld. Noddixg Fescue. Culm erect, slender, smooth, with black 

 nodes, about 3f high ; Ivs. narrow-linear, a foot long, veined ; panicle slender, dif- 

 fuse, at length nodding, and the slender branches defl£xed; spikelets lance-ovate, 3 — S- 

 Jlowered; fls. smooth, awnless and nearly veinless. — y Open woodlands, in most 

 of the States. June. (F. Shortii Kunth., when the grass is stouter and the spike- 

 lots about 5-flowered.) 



37. EATO'NIA, Eaf. (Dedicated to Frof. Amos^ Eaton, the well- 

 known author of the " Manual of Botany," which bears his name.) 

 Spitelets mostly 2-flowered, numerous, paniculate, silvery ; glumes 2, 

 very dissimilar, the lower linear, l-vcined, upper broadly obovato, ob- 

 tuse or abruptly pointed, 3-veined, with broad, scarious margins ; pales 

 obtusish, awnless, chartaceous, glabrous ; caryopsis oblong. — 4 Smooth, 

 and delicate grasses with simple, ceespitous culms. 



■El. obtusata Gray. Culm erect, geniculate below, leafy, 1 to 2f; nodes pubes- 

 cent, blackish, contracted ; Ivs. 3 to 6' by 2", scabrous, acuminate, shorter than 

 the sheath.3 ; stip. lacerate; pan. contracted, 3 to 5' long, 6 to 12" diam., dense, 

 braiKhes fascicled, short, appressed; spikelets IJ" long, 2-flowered, tumid; lower 



