863 



GRAMINE^. (grabs FAMILY.) 



short, appressed to axis ; glumes light-colored, lanceolate, acuminate, 

 .008 to. 01 long, 3-nerved; lower pale somewhat shorter than glumes, 

 appressed-hirsute, with a scabrous awn twice to twice and a half its 

 length — Summer — Lower and middle zones of Lebanon. 



27. PIPTATHERUM, P. B. Piptatiierum. 

 Spikelets 1-flowered, somewhat flattened, borne on short, obconi- 

 cal pedicels, all fertile. Glumes nearly equal, membranous, concave, 

 lono-er than pale; pales caducous, scarious, the lower concave, embrac- 

 ino- the 2-nerved upper one, ending in a jointed, deciduous, not twisted 

 awn. Stamens 3. Styles 2, short, stigmas feathery. Caryopsis ovate- 

 oblong — Perennials, with panicled spikelets. 



1. P. miliaceum, L. 1( Milcnaseh-lar- Fi^. 384. 

 r'lyeli. Zibl-Abu-E^isein. JSimdr. .lor more; 

 ligule short. Panicle. 3 to. 5 long, .15 to .2 broad, 

 much-branched, verticiUate, contracted in fruit ; 

 spikelets .004 to .005 long, including awn; 

 glumes green, lanceolate; lower pale ^Za&rows, 

 half as long as awn — April to July — Bushy 

 places and hedges ; common. 



2. P. holciforme, M. B. 2f Zaqqdmat- 

 (l-'a.^fur. .5 to .8. Ligule elongated. Pan- 

 icle .2 long, loose, with ticin, flaccid branches, 

 spreading or nodding in fruit; spikelets .01 

 long, without awn; glumes light-colored, or 

 bluish below, 5-nerved at base, ovate-lanceo- 

 late; lower pale a2'>2^ressed-liairy, one-third to 

 one-half as long as slightly exserted cmn — A- 

 pril to June — Rocky places; common. 



Var. Blaiiclieaiium,Boiss. Pales gla- ^fj of branch of panicle of 

 brous, glossy — Lebanon, and Antilebanon; ;^ piptatherum holciforme. 

 coast. 



2§. MILIlJItt, L. Millet-Grass. 



Spikelets 1-flowered, perfect, convex, somewhat compressed at 

 back, the floweret sessile. Glumes equal, membranous, often a little 

 longer than pales. Pales coriaceous, muticous, the lower obsoletely 3- 

 nerved, concave, enclosing the 2-nerved upper one. Stamens 3. Styles 

 2, short, stigmas feathery — (Ours) annuals ; panicle verticillate, loose. 



1. m. vcriiale, M. B. .3 to .4. Panicle loose, .1 to .15 long, 

 more or less diffuse, the capillary branches w^horled ; glumes ovate- 

 oblong, .002 long, acutish, tubercular-scabridulous ; imles glabrous^ the 

 lower elliptical, obtuse — April to June — 



Var montianum, Coss. Stems often leafy to tip — Shady places ; 

 middle to subalpine mountain zones ; interior plains. 



2. M. tricliopocluni, Boiss. .05 to .3. Panicle scarcely 

 longer than leaves, ovate, forlied, diffuse, the branches opposite or 

 whorled in threes ; j^^diccls three to four times as long as spiJcelets ; glumes 



' oblong-elliptical, acute, glabrous, not tulercled; pales appressed-puberu- 

 lent^ as long as glumes — Spring — Dry, clayey soil; Rashcya to Dam- 

 ascus. 



