GRAMINE^. (GRASS FAMILY.) 869 



2. y. macrocliaetuin, Boiss. .1. Leaves pj^ qqq 

 glabrescent, linear'Sctaceous, the lower convolute. Pan- 

 icle .025 to .03 long, rather loose, contracted; spike- 

 lets 3-flowered, with a liairy, sterile rudiment; glumes 

 scabrous at keel, acuminate, longer than flowerets, 

 the lower linear, one-third as broad and two-thirds as 

 long as upi^er; upper glume .00-1 long; lower pale 

 half as long as glumes, the tij) ending in 2 Irhtlts^ 

 h(df as long as jxile, the awn bent, twisted below, 

 thrice as long as ^Z?^wes— Spring — Jerusalem; 'Aiu 

 Jidi to Beni-Na'im. 



3. T. glumaceiim, Boiss. .Ito.ll. Leaves 

 hirtulous, sheaths retrorsely hairy, lamina linear, flat. , 

 Panicle oblong, spihe-like, .02 to .03 long, dense ; spike- Panicle of Trisetun. 

 lets 2-flowered, with a rudiment of a third floweret; macrochjEtum. 

 glumes longer than flowerets, nearly equal, lanceolate, acute, .004 long, 

 olabrous, glossy, somewhat scabrous at keel, axis at base of upper 

 floweret and sterile stalk long-hairy ; lower pale half as long as glumes, 

 ending in two bristles half as long as itself, and a bent awn short-exserted 

 /7w?i^??m6s — Spring — Et-Tih, between Nukhl and Gaza, and south- 

 ward to Egypt 



4. T. liiieare, Forsk. .25 to .45; culms thickish, rigid, ap- 

 pressed-hirtellous. Sheaths long, nerved; lamina linear, at length 

 convolute. Panicle cylindrical, spike-like, .05 to .15 long; spikelets 

 short-pedicelled, 2-flowered with the upper floweret stipitate, or 1- 

 flowered, with the upper floweret reduced to an awn; glumes nearly 

 equal, longer than pales, linear-lanceolate, .004 to .005 long, acumi- 

 nate, 3-nerved below; lower pale tapering into two hv\st\QS as long as 

 itself, sometimes with a third shorter one, the bent awn twisted at base, 

 twice to three times as long as bristles; upper pale narrower, bilid — 

 May to July — Syrian coast, and southward to Arabia Petrtea and 

 Egypt. 



* * Perennials. Stems tall, slender. 



5. T. flave§ccns, L. 21 .5 to .8, tufted. Leaves linear, flat, 

 rough-margined, more or less pubescent below and at sheaths. Panicle 

 compound, loose, .1 to .15 long, .03 to .15 broad, ohlong, contracted in 

 fruit, branches slender, rough; spikelets yellow, 2-3-flowcred; lower 

 glume 1-uerved, much shorter and narrower than upper, upper 3-nerfed, 

 oblong-lanceolate, acuminate; hairs of axis much shorter than flowerets; 

 lower pale ending in two short bristles, the bent awn lo/iger than pale — 

 June — Ruweissat (Lebanon). 



42. VEXTENATA, K'x\. Ventenata. 



Spikelets laterally compressed, 3-G-flowcrcd (rarely 1 -flowered with 

 a sterile rudiment), the flowerets perfect, all but the lowermost stipitate, 

 the uppermost often reduced to a rudiment. Glumes membranous, 

 keeled, the lower shorter. Lower pales oblong-lanceolate, 2-tootliea 

 or -bristled, with a bent, dorsal awn, twisted below; upper pale '2 

 keeled. Stamens 3. Stigmas 3, sessile — Annuals. 



* SpiMets loosehj panicled, 1-2-fowered, with a viuticous rudiin 



cni. 



