ORAMINE^. (GRASS FAMILY.) 857 



tened-hemisiDherical clump. Sheaths of leaves dilated, open, shorter 

 than iuternodes ; leaves glaucous, spreading, tapering to an awl-shaped 

 tip. Heads .005 to .01 long — January to October — Sandy fields and 

 somewhat moist soil ; common. 



22. CORNUCOPI.E, L. Cornucopi2e. 

 S pikelets 1 -flowered, numerous, clustered, nearly sessile, surround- 

 ed by a toothed involucre. Glumes 3, ^ ooa 

 membranous, nearly equal, muticous, ^^^' ^^ 

 connate at base, keeled. Lower pale 

 membranous, muticous, similar to 

 glumes, scarcely longer than they ; up- 

 per pale 0. Styles 2, terminal; stig- 

 ma elongated. 



C. cucullatuiii, L. © .1 to. 3; 



culms erect or decumbent, leafy, genic- 

 ulate, branched. Peduncles spring- 

 ing from the upper 2-3 sheaths, elon- 

 gated, then thickened, and recurved ; 

 involucre funnel-shaped, 8-16-toothed, 

 becoming indurated ; spikelets obtuse, 

 longer than involucre — Spring — 

 Ditches, hedges, and moist fields; 

 common. Heads of Cornucopias cucullatuni. 



23. ALOPECCRUS, L. Fox-Tail Grass. 



Spikelets 1 -flowered, arranged in a dense spike-like or capitate 

 panicle. Flowerets sessile ; glumes boat-shaped, strongly keeled, free, 

 or more or less united below ; lower pale scarious, nearly as long as 

 glume, with margins often connate at base, awned at back below the 

 middle; upper narrow or 0. Stamens 3. Styles 2, often united at 

 base ; stigmas long, feathery, 



* Annuals. 



t Spikes destitute of a cup-shaped involucre. 



1. A. agre§tis, L. © .2 to .4; culms somewhat scabrous above. 

 Panicle cylindrical, spiked, .04 to .08 long, .004 to .008 thick, tapering 

 at both ends; branches with 1-2 spikelets; glumes united to middle, 

 with narrowly winged keel, pubescent ; awn of the single pale arising near 

 its base, nearly twice its length — Spring — Pastures, and moist places, 

 and vineyards to 1300 m. 



Yar. ]iiminiii§, Post. Smaller, glabrous; spikes .02 to .04 long, 

 .002 to .003 thick. Glumes apterous — Dry places and roadsides; 

 Beirut. 



Var. toiisu§, Blanche. Awn short, included in glumes — Fields 

 near Tripoli ; Aintab. 



2. A. iitriculatus, L. © .3 to .4; culms glabrous. Panicle ovate 

 to oblong, .01 to .02 long, .006 to .01 broad, branches with 1-2 spike- 

 lets ; glumes united to middle, strongly flattened, gibbous at sides, abrupt- 

 ly triangular-cuspidate above middle, acute, ciliate only on keel ; awn of 

 the single pale arising near base, more than twice its length — Spring — 

 Grassy places; possibly in northern Syria. 



Ill 



