GRAMINEiE. (GRAS3 FAMILT.) 



893 



or pubescent, .05 to .08 long; glumes unequal, linear-lanceolate, acu- 

 minate, scarious-margined ; lower pale linear-lanceolate, acuminate, 

 keeled, with about 5 prominent nerves, less than half as long as awn — 

 Spring — Fields and waste places ; coast. 



9. B. ruben§, L. © .2 to .3, erect, pubescent above. Panicle 

 erect, compact, obovate, with very short branches ; spikelets pubescent or 

 glabrous, terete, slightly flattened, 4-8-llowered, upper flowerets general- 

 ly sterile ; glumes lanceolate, acuminate, unequal, the upper twice as 

 broad as the lower; lower pale ^-1 -nerved, scarious at margin, acutely 

 bifid : awn about as long as pale, at length curved outicard — Spring — 

 Fields and roadsides; coast to subalpinu regions, and southward to the 

 Tih and Sinai; Gilead. 



10. B. fasciculatus, Presl. .2 to .3, erect, glabrous. Pan- 

 icle erect, compact, obovate-cuueate, with short, stiff branches ; spike- 

 lets glabrous, rarely puberulent, flattened, few, loosely 8-10-flowered, 

 the upper 1-2 flowerets sterile; glumes linear-lanceolate, acuminate, 

 unequal; lower pale linear-awl-shaped, keeled, as long as its somewhat 

 twisted awn; lateral nerves obsolete — Spring — Waste fields; Syria and 

 Palestine; Dead Sea; Damascus; Antilebauon. 



11. B. scopariu§, L. © .2 to .4, ascending, glabrous. Panicle 

 erect, dense, ovate to oblong, .04 long, .001 to .025 broad, obtuse, with 

 very short branches; spikelets pubescent or glabrous, 6-8-flowered; 

 glumes lanceolate, acutish, scarious-margined, somewhat unequal; 

 lower pale oblong, scarious-margined, short-bifld, nearly as long as its 

 spreading, at length twisted awn — Spring — Common everywhere. 



12. B. alopecMru§, Poir. © .4, ^eniculate-asceudiug. Pani- 

 cle erect, cylindrical, .1 long, ,01 broad, often interrupted below, dense, 

 branches short, appressed; spikelets pubescent, linear-lanceolate, 8-15- 

 flowered-; glumes unequal ; lower pale lanceolate-linear, membranous- 

 margined, acutely bifid, shorter than the spreading, ticisted awn — Spring 

 — Fields ; coast to middle mountain zones ; Iluleh. 



13. B. §quarro§u$, L. .1 to .2; culms slender, glabrous. Pan- 

 icle loose, simple, nodding, somewliat one-sided, ])edicels slender, 



Fig. 413. 



curved, shorter than sjnlcelet ; spikelet gla- 

 brous, or rarely soft-villous, ovate-oblong to 

 elliptical, obtuse, flattened, 8-20-flowered ; 

 g\\imes oblong, obtuse, somewhat unequal; low- 

 er pale oblong-rhomboid, obsolctely nerved, 

 with broad-scarious margin, obtusish, short- 

 bifid ; awn far from tip, at length spreading 

 and somewhat twisted, longer than pale - 

 Spring — Dry places ; Lebanon ; Antilebanon ; 

 Damascus ; Palmyrene Desert ; Amanus. 



14. B. iiiacrostacliys, Desf. © .3 to 

 .6, erect, glabrous. Panicle erect, with short, 

 stiff branches; spikelets glabrous or glabres- 

 cent, .02 to .03 long including awns, oblong- 

 lenticular, 10-lG-flowcred. Glumes unequal, 

 oblong -lanceolate, obtusish, many-nerved; 



lower pale oblong -elliptical, bidentatc, icith spikelet of nromnsm.icrdstarhys 

 scarious division reaching to base of aicn, shorter than spreading, at 



