GBAMINEiE. (GRASS FAMILY.) 871 



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

 Nazareth; Aintab. 



4. A. barbata, Brot. Khafur. Shelf ihi. .5 to .8, sparingly 

 pubescent or velvety. Spikelets 2-3-flowered; glumes nearly equal, 9- 

 nerved. Lower pale hairy from base to middle, with an oblong callosity and 

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

 glumes — April to June — Fields and waste j)laces ; common throughout. 



5. A. lVie§tii, Steud. Khafar. Zummeir. .5 to .8, sparingly 

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

 1 -nerved ; lower pale .012 long, hairy almost to tip, with an ovate-oblong 

 callosity and scar at base, bifid, teeth setaceous-aristate; awn twice as 

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

 Hammam (Jordan Valley). 



6. A. fatua, L, © Shakshiih. Zummeir. Sabus. .5 to .8, gla- 

 brous or sparingly hairy at sheaths. Panicle spreading; spikelets 2-3- 

 flowered, all the flowerets awned; glumes nearly equal; lower pale 

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

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

 June — Arabia Petraea; Cedars of Lebanon. 



1 1 Spilcelets erect. Panicle spihe-like, simple. Perennials. 



7. A. Carineli, Boiss. If .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, simple, 

 erect; spikelets 2-3-flowered, twin, pedicels unequal, one very short, 

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

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

 brittle ; lower pale coriaceous, convolute, punctate-scabrous, membran- 

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

 May— Mt. Carmel. 



44. CJAUDINIA, P. de B. Gaudikia. 



Spikelets laterally compressed, 4-7-flowered, 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 7-9- Fig. 395. 



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-keeled, 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, flat. 

 Spike .1 to .25 long; spikelets glabrous or pubes- 

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

 upper fflume shorter than floweret; awn longer — '"^.Pl^^'^^^f G'*"^^""/ ^*''- 



nr ^ JT1 -i-i-iT 1 ;i ° 1 , gi'is With (a) node of 



May to July — Fields and waste places ; coast to stem above its base, 

 middle mountain zones, and interior plains. 



45. ARRH£XATI1ERUM, P. de B. Oat Grass. 



Spikelets laterally compressed, 2-flowered, generally with a rudi- 

 ment of a third floweret, the lower floweret staminate, the upper perfect. 



