GRAMINEiE. (GRASS FAMILY.) 857 



tened-hemisplierical clump. iSheatlis of leaves dilated, opcu, shorter 

 than internodes; 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. CORXUCOPI^, L. CoRNUCon^. 



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

 "! by a toothed involucre. Glumes 2, 

 uibranoue, nearly equal, muticous, ^^^- ^^^' 



L oiinate at base, keeled. Low^cr 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 bpring- 

 iug 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 (.'onmcopite cucullatum. 



23. ALOPECURUS, 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 louo- us 

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

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

 base ; stigmas long, feathery. 



* Annuals. 

 t SpiTces destitute of a cup-shaped involucre. 



1. A. ag^rcsiis, L. .2 to .4; culms somewliat scabrous above. 

 Panicle cylindrical, spiked, .0-1 to .08 long, .004 to .008 thick, tapering 

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

 irith nctrrowlij loinged I'eel, pidjescent ; awn of the single pale arising near 



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

 1.(1 vineyards to 1300 m. 



Var. minimus, Post. Smaller, glabrous; spikes .02 to .01 long, 

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

 IJeirCit. 



Var. toii§us, Blanche. Awn short, im-hidcd in 'rlumcs — Fields 

 near Tripoli; Aintab. 



2. A. utriculatiis, L. .3 to .4; culms -glabrous. Panicle ovate 

 to oblong, .01 to .02 long, .000 to .01 broad, branches with 1-2 spike- 

 lets; glumes united to middle, strongly flattened, (/ihhous at sides, abrupt- 

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

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

 Grassy places; possibly in northern Syria. 



Ill 



