setuiii 



GBAMINE^. (GKASS FAMILY.) 



2. y. inacrocliaetum, Boiss. .1. Leaves pj^^ 393^ 

 glabrescent, linear'Setaceous, the loicer conmlute. Pan- 

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

 lets 2-flowered, with a hairy, sterile rudiment; glumes 

 scabrous at keel, acuminate, longer than flowerets, 

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

 long as upper; upper glume .004 long; lower pale 

 half as long as glumes, the tip ending in 2 hristles^ 

 half as long as pale^ the awn bent, twisted below, 

 fhrice as long as glumes — Spring — Jerusalem ; 'Ain 

 Jidi to Beni-Na'im. 



3. T. gSmiiaceiini, Boiss. © .1 to. 14. Leaves 

 hirtulous, sheaths retrorsely hairy, lamina linear, flat. 

 Panicle oblong, spil;e-li^e, .02 to .03 long, dense ; spike- Panicle of Tris 

 lets 2-flowered, witli a rudiment of a third floweret; macrochsetum. 

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

 j^labrous, 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 

 from glumes — Spring — Et-Tlh, between Nukhl and Gaza, and south- 

 ward to Egypt 



4. T. liiicare, 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 bristles 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, bifid — 

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

 Egypt. 



* * Perennials. Stems tall, slender. 



5. T. flave§ceiis, L. If .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, oUong, contracted in 

 fruit, branches slender, rough; spikelets yelloio, 2-3-flowered; lower 

 glume 1-nerved, much shorter and narrower than iqjper, upper 3-nerved, 

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

 lower pale ending in two short bristles, the bent awn longer than 2>cile — 

 June — Ruweissat (Lebanon). 



42. VE^TENATA, Ksel. Ventenata. 



Spikelets laterally compressed, 3-6-flowered (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-toothed 

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

 keeled. Stamens 3. Stigmas 2, sessile — Annuals. 



* Spikelets loosely panicled, l-'i-flowered, with a muticous rudiment. 



