GRAMINE^. (grass FAMILY.) 871 



Ujld-aristate at tip, awn twice as long as upper glume — Spring — 

 Nazareth; Aintab. 



4. A. barbata, Brot. Klufur. Shdfihi. .5 to .8, s^parii^gly 

 pubescent or velvety. Spikelets S-j-llowcred ; glumes nearly equal, «j- 

 nerved. Lower pale hairy from base to middle, with anohlonr/ (yiUosUy und 

 scar at base, bifid, teeth long-aristate ; awn more than twice as long as 

 glumes— April to June— Fields and waste places ; common throughoTit. 



5. A. "%Vie§lii, Steud. Kha/ar. Zummcir. .5 to .8, sparingly 

 hairy. Panicle one-sided, spikelets 2-flowered, small ; glumes equal, 

 '\-ner):ed ; lower pale .013 long, ludry almost to tip, with an ovatc-ohlon<j 

 callosity and scar at hase, bifid, teeth setaceous-aristate; awn twice its 

 long as glumes— Spring - - Borders of et-Tih toward Palestine; Tcl-el- 

 Hammam (Jordan Valley). 



6. A. fatua, L. ShaTcshuh. Zammeir. Salus. .5 to .8, gla- 

 brous or sparingly hairy at sheaths. Panicle spreading; spikelets 2-:i- 

 flower.ed, all the flowerets awned; glumes nearly equal; lower palo 

 bristly from base to middle, with an oblong or ovate callosity and sair at 

 base, bifid-dentate; awn more than twice as long as glumes — March to 

 June — Arabia Petrssa; Cedars of Lebanon. 



1 1 Spikelets erect. Panicle spiJce-like, simple. Perennials. 



7. A. Carmeli, Boiss. 2f .4 to .5; root fibrous; culm erect. 

 Leaves narrowly linear, flexuous, flat, margin scarcely thickened, gla- 

 brous; sheaths retrorsely hispid. Panicle spike-like, .05 long, simpk-, 

 erect; spikelets 2-3-flowered, twin, pedicels une<iual, one very short, 

 the other one-third as long as spikelet; glumes lanceolate-linear, short - 

 acuminate, the lower 3-nerved, the upper 5-nervcd; axis glabrous, 

 brittle; lower pale coriaceous, convolute, punctate-scal)rous, membran- 

 ous at tip, short 2-deatate, the awn once and a half as long as pale — 

 May — Mt. Carmel. 



44. GAUDIiVIA, P. de B. Gaudima. 



Spikelets laterally compressed, 4-7-flowcr('d, parallel to axis, sessile 

 in its grooves. Flowerets somewhat distant from each other, perfect 

 or the uppermost tabescent. Glumes membranous; concave, keeled, 

 the lower 3-nerved, much smaller, the upper 7-U- . 

 nerved. Pales membranous, the lower lanceolate, 

 scarious-margined, bidentate at tip, with twisted 

 and bent awn inserted above the middle of the 

 back, the upper 2-kceled, bifid. Caryopsis ciliate 

 at tip— Annuals, with spikelets 2-ranked in a 

 linear spike. 



O. fragili!^, L. .2 to .35; culms tufted, 

 erect or ascending. Leaves soft-villous, linear, fiat. 

 Spike .1 to .25 long; spikelets glabrous or ])ul)es 

 cent; lower glume one-third as long as upper; 

 upper glume shorter than floweret; awn longer - ^'jjJ^'^'.J,; «;;;»»;;- 'T.," 

 May to July — Fields and waste places; coast to stem abov« iu hasp. 

 middle mountain zonc^, and interior plains. 



45. ARIlHKWTIIKUL'Ifl, P. de B. Oat Grass. 



Spikelets laterally compressed, 2-fiowered, generally with a ruili- 

 mentof a third floweret, the lower floweret stamiuate, the upper perfect. 



