883 GRAMINEiB. (GRASS FAMILY.) 



upper scarious, both keeled, mucronate. Lower Fig. 40G. 

 pale herbaceous, keeled, notched at apex, _ long- 

 mucronate, upper pale scarious, 2-keeled, bifid — 

 Perennials. 



D. glomerata, L. 21 A to .8. Leaves linear, 

 flattened, green. Panicle interrupted, .03 to .06 

 long; clusters on short, erector somewhat spread- 

 ing°branches — Spring and summer — Grassy places ; 

 common to subalpine region. 



Yar, Hi§paiiica, Boiss. Leaves moro or less 

 glaucescent, narrow. Panicle spike-like, ovate to Terminal head of 

 oblong, .01 to .02 long; spikelets nearly or quite Dactyiis giomerata. 

 sessile — In similar places to type. 



69. SCI.EROCHI.OA, P. de B. Hard Grass. 



Spikelets laterally compressed, 3-5-flowered, the flowerets imbri- 

 cated, the uppermost tabescent. Glumes obtuse or retuse, unequal, 

 much shorter than flowerets, scarious-margined. Pales persistent, the 

 lower coriaceous, scarious-margined, keeled, obtuse, 5-nerved, the up- 

 per scarious, 2-keeled, obtuse — (Ours) Annui)ls, panicle oblong, spike- 

 like, one-sided. 



S. dura, L. .1 to .3; culms tufted, prostrate, leafy to top. 

 Leaves flat, linear, acute. Panicle .03 to .04 long, .01 broad, simple 

 or short-branched; pedicels short, thick, triquetrous; spikelets .005 to 

 .006 long, oblong-linear; the lower glumes 3- the upper 5-7-nerved; 

 the lower pale 5-nerved — March to May — Fields and sandy places; 

 Lebanon; Hems; Aleppo; Qaryetein, and northward, and eastward. 



TO. BRIZA, L. Quaking Grass. 



Spikelets many-flowered, flattened, ovate or cordate, with closely 

 imbricated flowerets, all fertile. Glumes ventricose at back, nearly 

 equal, orbicular, muticous, smaller than pales. Pales scarious, the 

 lower ovate to orbicular, many-nerved, cordate at base, muticous; the 

 upper much smaller, 2-keeled, round-obovate, flat — Annuals or peren- 

 nials, with panicled, showy spikelets, borne on slender often droop- 

 ing pedicels. 



♦ Perennials. 



1. B. minor, L. 21 .8 to .4; culms solitary or tufted, often ge- 

 niculate. Leaves flat, hroad-linear, acuminate. Panicle erect, compound. 

 .05 to .1 long, .03 to .08 broad, loose, branches capillary, 2-3-forked; 

 spikelets triangular, .003 long and broad, 5-7-flowered ; lower pale 

 broader than long — April and May — Fields; coast to middle moun- 

 tain zones; Jordan Valley. 



* * Annuals. 



2. B. spicata, S. et S. .2 to .8; culms slender, geniculate, 

 ascending. Lower leaves awl-shaped, up2:)€r very narrow-linear. Panicle 

 contracted, raceme-like, often simple, .03 to .08 long, .01 to .02 broad, 

 all the Iranches excej^t the lowest learing a single spikelet, and shorter than 

 it; spikelets green, ovate or oblong, .003 to .006 long, .002 to .004 

 broad, acutish, 7-9-flowered — April and May — Rocky places, middle 

 Lebanon and Antilebauon; Aintab, and northward. 



