132 | POACEAE 
P. melicaria (Michx.) A. Hitehe. Stem erect from a creeping rootstock, 
60— 100 cem. tall: oap nodding at the summit: 25 Bppressed, 3—-4- 
. flowered, about 4 . long. [P. elongata Kuntze G. Tor- 
reyi A, Hite che. ]— — Wet woods, Blue Ridge and more ode PENA N. C. 
and Tenn. to Minn. and Que 
Js P. striata (La Eus A. Hitche. oe dense tussocks: stem erect, 30-100 
. tall: leaf-blades elongate: B e nodding, 10-20 em. long, the branches 
dou naked below: spikelets 3-7 E PE mm. long: lemmas promi- 
ud 7-nerved. [Poa striata Lam. G. Tri P. nervata Kuntze 
G. striata A. Hitche. ae ground, bud gods Fla. to Tex., Wash., 
Ont., and Newf.—(Mez.) 
6. P. pallida iid Kuntze. Stem | ee up to 100 cm. long: spike- 
ee Bri Pd oe red, 6-7 mm. lon ng: lemmas 7-nerved, scabrous. [G. pallida 
in. |—Shal quiu various provinces Tenn, 19 Mo. and N. S.—Plants 
hires do of some species of Poa 
7. P. grandis (S. Wats.) Nash. m 100—150 em. tall: leaf-blades 5-15 e 
wide: panicle 20-40 cm. long, loose and open: umo 4—7-flowered, 5—6 
long: lemmas 7-nerved. [P. a fea MacM. G. grandis S. Wats. ] Wet 
places, various provinces, Tenn, to Alas., Ont., and N B. 
FESTUCA L. Low or rather tall annuals or perennials of various 
habit, the spikelets in narrow or open panicles. Spikelets few- to several- 
flowered, the rachilla disarticulating above the glumes and between the florets: 
glumes narrow, acute, d the first sometimes very small: lemmas rounded 
on the back, membranaceous or somewhat d o-nerved, the nerves often 
obseure, acute or rarely HN awned from the tip or pue, from a minutely 
bifid apex.—One hundred species, in apes and cool regions.—FESCUE 
GRASSES. F'ESCUES. 
Plant annual: stamen usually 1. I. OCTOFLORAE. 
Plant perennial: stamens 
eaf-blades Hed narrow, involute. IT. RUBRAE. 
Leaf-blades flat III. OBTUSAE. 
I. OcTOFLORAE 
Awn less than twice as long as the lemma: ge elosely 5-13- 
flowered, glabrous or scabrous. 1. F. octofiora. 
Awn no than twice as long as the lemma: spikelets loosely 4-6- 
owered. 
onmes scabrous above: first glume less than half as long as 
the second. 2. F. Myuros. 
Lemmas pubescent: first glume 15-34 as long as the second. 3. F. sciurea. 
II. RUBRAE 
Plant decumbent at base: stems solitary clustered, the leaves 
often numerous: panicle with em or appressed branche es. 4. F.rubra. 
III. OBT 
Spikelets oblong to linear, about 1 cm. june eo narrow, the 
branches appressed at maturity. . F. elatior. 
Spikelets ovate or oval, mostly léss than 5 mm. long: panicles open, 
the branches spreading, naked below 
Spikelets at the end of long lender branches of a very open 
anicle. . F. obtusa. 
Spikelets somewhat aggregate along the upper half of the short 
branches of the less open nodding panicle. . F. Shortii. 
