GRAMINE-ffi. (GRASS FAMILY.) 845 



floweret narrower, 2-nerved, glabrous; pales of perfect, elliptical 

 floweret, obtuse, rather shorter than glume, coriaceous, glossy — Sum- 

 mer — Fields ; subalpine Lebanon ; Coelesyria. 



6. P. Numidianum, Lam. 2f .6 or more; glabrous; culms 

 stout, rooting at nodes below. Leaves linear-lanceolate, acuminate, 

 .2 to .3 long, .012 broad. Panicle terminal, loose, .1 long, spikes 5-13, 

 solitary, short-peduncled, scattered, linear, .03 to .04 long, unilateral; 

 spikelets loosely imbricated, pedicelled, oblong, acute, green witJi 

 reddish tinge; glumes membranous, the lower one-third as long as up- 

 per, ovato, 3-nerved, the upper similar to the lower pale of the stami- 

 nate floweret, ovate, acute, 5-nerved; upper pale of staminate floweret 

 as long but narrower; pales of fertile floweret coriaceous, white, 

 wrinkled-punctate — Autumn — Ditches and marshes ; coast. 



***** Sinlcelets loosely and irregularly panided. Loicer glume and 

 upper pale of perfect flower never loanting. 



7. P. repeii§, L. % .5 to .8; root-stock creeping, stoloniferous ; 

 culms stiff, thickish below. Leaves villous or glabrescent, linear, acu- 

 minate, .004 to .005 broad, .1 to .35 long, rigid, somewhat 2-ranked, 

 spreading, flat. Panicle terminal, somewhat compound, branches 

 solitary or 2-3 together, capillary, flexuous; spikelets arranged in twos, 

 loosely spiked along the branches of the panicle, pedicelled, glabrous, 

 white, ovate-oblong, acutish ; lower glume one-third as long as upper, 

 orbicular, obtuse, nearly nerveless; upper glume and lower pale of 

 staminate floweret alike, ovate, acute, obsoletely 5-7-nerved; j)ales of 

 perfect floweret shorter, ovate, acute, coriaceous — Autumn — Moist 

 sands; coast. 



8. P. tnrgiduiti, Forsk. If BuMdr. Thamdm. Shilsh. Abu- 

 Rikal. .6 to 1.5; glabrous^ glaucescent ; culms hard, r^gf^-ZiXe, thicken- 

 ed at nodes, proliferous, branches clustered, forming tangUd bushes. 

 Leaves of f oris reduced to lanceolate, leafless sJieaths, imbricated at nodes, 

 persistent, that of the uppermost ending often in a short, subulate 

 lamina. Panicle terminal, .1 to .15 long, branches stiff; spikelets short- 

 pedicelled, erect, ovate, inflated, white; glumes concave, nearly of 

 equal length, acutish, with 7-9, green nerves ; pales of staminate flowers 

 alike; fertile floweret elliptical, acute, coriaceous, white, glossy — 

 Summer — Hebron to Dead Sea, and southward to Red Sea and Sinai. 



9. P. iiiiliaceum, L. © DiiTchn. A to .8; culm erect, leafy, 

 simple or few-branched below. Leaves linear, .008 broad, flat, hairy 

 or hispid, acuminate. Panicle compound, much-branched, spreading, 

 at length nodding; spikelets oblong, acute, inflated, glabrous; glumes 

 concave, acuminate, co -nerved, the lower two-thirds as long as the 

 upper, more acute; lower pale of neutral floweret similar to upper 

 glume ; perfect floweret somewhat shorter than upper glume, ovate, 

 coriaceous, glossy — Summer — Cultivated and subspontaneous in fields. 



10. P. molle (P.. larbinode, Trin.), Hart (Trans. Irish Royal 

 Academy, xxviir. 447) says that this species is found at Jericho. It 

 has not been found by others. 



2. SETARIA, P. et B. Fox-Tail Grass. 



Spikelets somewhat compressed at back, having under the joint of 

 the pedicel, a one-sided involucre consisting of bristle-like, scabrous 

 awns, 2-flowered, the lower floweret neutral or staminate, the upper 



