GRAMINEiE. (GRASS FAMILY.) 381 



Var. lypica, Boiss. Spikes dense, equal or one-sided. The up- 

 per glume only one-third to one-fourth longer than lower. 



Var. VBridi§, Boiss. Leaves convolute, slender. Spike one-sided . 

 Lower glume scarcely one-quarter shorter than upper — Antilebanon ; 

 Lebanon. 



Var. inasqiilgUimii, Boiss. Lower glume half or one-third as 

 long as upper — Hauran; Antilebanon plateau; Antilebanon; Ccele- 

 syria; Lebanon; Marash. 



(J)) Leaves or only their sheaths hairy or woolly. 



Var. paiiuo§a, Boiss. Spikes dense, nearly equal. Lower glume 

 one-half to one-third as long as upper. Culms, sheaths, and leaves 

 woolly-canescent — Antilebanon and Damascus plateaus to Suf Dao-h. 



t t Sterile f.oweret hirsute. SpiMets .01 long. Leaves glabrous, 



glaucescent. 



4. M. peiiicillari§, Boiss. et Bal. It .5. Panicle spike-like, 

 loose, .1 to .2 long, branches stiff, short, with 3-5 spikelets; spikelets 

 .01 long, 3-flowered, the upper sterile floweret hirsute; glumes mem- 

 branous, oblong, nearly equal, scarious-margined, a little shorter than 

 flowerets; lower pale oblong, obtuse, villous, with long hairs over the 

 whole of the lack — September — Elmalu (northern Syria). 



Species not sufficiency hiown. 



5. M. caplllari§, Russ. 2f Panicle capillary, difEuse. Sterile 

 flowerets not hirsute, cylindrical-subulate — Near Aleppo (Russell). 



67. .S:L.UR©PUS, Trin. ^luropus. 

 Spikelets nearly sessile, 4-11-flowered, imbricated-clustered, the 

 clusters forming an ovate-globular or oblong to linear-spike or head. 

 Flowerets perfect, the uppermost tabescent. Rachis somewhat brittle, 

 at length separating into joints. Glumes 3, unequal, shorter than 

 flowerets, keeled, ovate-oblong, muticous or mucronate. Lower pale 

 herbaceous, keeled, or convex at back, many-nerved, mucronate or 

 somewhat awned ; upper pale obtuse, 2-keeled. 



iE. littoralis, Willd. 2^! Mulleih. ^Alrihh. NajU leledi. Gla- 

 brous; culms procumbent, stoloniferous, sometimes hispidulous, root- 

 ing at joints, branching at nodes, leafy to tip, .05 to .3 high. Leaves 

 glaucous, 2-ranked, rigid, somewhat ascending, linear-lanceolate, acu- 

 minate, .015 to .03 long, at length convolute-subulate. Spike oblong 

 to cylindrical, at first .005 to .013 long, at length evolved and inter- 

 rupted, .03 to .04 long; clusters nearly sessile; spikelets glabrous; 

 glumes oblong, obtuse ; lower pale oblong-lanceolate, obtuse or abrupt- 

 ly acuminate, mucronate — May to June — Places inundated in winter, 

 especially salt meadows ; Pulmyrene Desert. 



Var. repens, Coss. Glabrous except spikes, or white-tomentel- 

 lous. Leaves .005 to .015 long; spike ovate to globular; spikelets 4-7- 

 flowered ; glumes and pale hirsute — Arabia Petraea, and eastward. 



68. DACTYL.IS, L. Cock's Foot Grass. Orchard Grass. 

 Spikelets 3-6-flowered, crowded in one-sided clusters, forming a 

 dense, branching, spike-like, one-sided panicle. Flowerets perfect, 

 the uppermost tabescent. Lower glume herbaceous, scarious-margined, 



114 



