886 GEAMINEiE. (eRASS PAMlIiY.) 



1. Cr. flultaii§, L. 11 Floating Sweet Grass. .5 to .7. Panicle 



somewhat one-sided; spikelets oblong-linear; lower glume half to two- 

 thirds as long as upper; lower pale oblong, oUuse or acutish, tip scarious 



— Summer — In water; Coelesyria; Hermon. 



2. ^. pllcata, Fries. 21 .5 to .7. Panicle more or less whorled; 

 spikelets linear-cylindrical ; lower glume about half as long as upper ; 

 lower pale ovate-oblong, with a broad, scarious, slnuate-crenate tip 



— Summer — In water. Probably only a variety of the last. • 



74. AT^OFI§, Rupr. Atropis. 



Spikelets oo - or 3-3-fiowered, laterally compressed; rachis brittle. 

 Glumes obtuse, concave, muticous, unequal, shorter than flowerets. 

 Pales deciduous together, muticous, nearly equal in length, the lower 

 concave, not keeled, obtuse or truncate, 5-nerved, the upper membra- 

 nous, 3-keeled, ciliolate at keels — Perennials, with narrow panicles of 

 spikelets resembling those of Poa. 



A. cli§taii§, L. 71 .3 to .4; glaucous; root fibrous, not stoloni- 

 ferous ; culms erect or ascending, often geniculate. Leaves firm, linear, 

 rather broad. Panicle erect, oblong-pyramidal, .1 to .15 long, branches 

 naked below, spreading in flower, becoming deflexed iu fruit ; spike- 

 lets oblong, 4-6-flowered, .005 long, ,01 broad; glumes scarious at 

 margin, ovate, obtuse — Summer — Salt marshes; Syrian Desert 

 between Hamath and Palmyra. 



Var. liiimills, Hackel (in letter). .05 to .1. Leaves narrow, 

 convolute-filiform. Panicle .05 long. .005 broad; spikelets and pales 

 smaller, scarcely nerved; lower pale obliquely truncate, eroded-denti- 

 culate — In water from melting snow ; summit of Dohr-el-Qodib. 

 Growing with dwarf specimens of Catabrosa aquatica, but readily dis- 

 tingished by the number of flowerets (4-5) in spikelet. 



75. FESTUCAj L. Fescue-Gkass. 

 Spikelets 2-oo -flowered, panicled or racemed, the flowerets fertile, 

 except the upper which is rudimentary. Glumes unequal, the lower 1- 

 and the upper 3-3-nerved. Lower pale herbaceous, muticous or awned, 

 not keeled, more or less prominently 5-nerved. Upper pale sparious, 

 2-keeled and 2-toothed, generally adherent to caryopsis- Perennials. 



* Ligules truncate^ tico-auricled. Lamina of leaves either all folded .to- 

 gether, or those of culm moi^e or lessjfat, conduplicate in vernation. Lower 

 2mU with a narrow, scarious margin. 



i. F. ovisia, L. 1i Tufted; root fibrous. Sheaths entire or more 

 or less deeply cleft, the entire part not grooved ; laminse of all the 

 leaves similar, more or less folded, 3-9-nerved. Panicle spreading dur- 

 ing flowering; spikelets 4-8-flowered, flowerets lanceolate, muticous or 

 short-aristate ; ovary glabrous; caryopsis deeply channeled on its ventral 

 surface — 



(1) piulfolla, Hackel. .05 to .3. Sheaths entire, membranous, 

 soon marcescent and irregularly fibrous; laminae short, glaucescent, 

 rigid, pungent, 5-nerved, 3-ribbed within ; auricles of ligule acute. 

 Panicle contracted, interrupted, ,02 to .06 long, .006 to .008 broad; 

 spikelets and rachis pruinose; lower glume short-aristate — June to 

 September — Subalpine and alpine Lebanon. 



