fiRAMINEA. (GIUSS FAMILY.) 897 



* P^mniaU. Spikekts more or less separated, on a long axis. Glumes 

 usually 00 -nervedy convex, not Iceeled. 



t Lower pale tapering into a straight awn. Roots fibrous. 



1. A. Panormitanum, Pari. % \ ov more, erect. Leaves 

 linear, flat, scabrous. Spike 2-ranked, slender, .1 to .15 long; spike- 

 lets few, .015 to .03 long, loosely imbricated, oblong linear, 3-5-flower- 

 ed; glumes 7-9-nerved, as long as flowerets, linear-lanceolate, short-aris- 

 tate ; lower pale nerved only toward tip, ending in an awn flattened 

 at base and longer than itself — Summer — Hermon, above Hasbeya ; 

 subalpiue Lebanon. 



1 1 Lower pale muticous or very sTiort-awned. 



X Rootstock creeping. 



2. A. repen§, L. If 1 or more, erect. Leaves elongated, flat, 

 scabrous at upper surface. Spike slender, .06 to .1 or more long, .005 

 to .01 broad, 2-ranked, flattened; spikelets near together, or the lower 

 remote, ovate-lenticular to oblong-lenticular, about 5-flowered ; glumes 

 nearly equal, lanceolate, acuminate, sometimes mucronate ; lower pale 

 lanceolate, acuminate or obtusish, muticous or mucronate or short-aris- 

 tate — May to August — Middle Lebanon. 



Var. glaucuin, Boiss. Glaucous; leaves narrower, often convo- 

 lute; spike narrower, and often looser; spikelets smaller, and lower 

 pale more obtuse — Antilebanon. 



3. A. Aiiclieri, Boiss. % .6, erect, leafy beyond middle.. 

 Leaves rigid, .004 to .007 broad, linear, hairy on both sides, sheaths 

 tomentellous. Spike .13 to .16 long, loose, with velvety axis; spike- 

 lets .015 long, linear-oblong, 5-7-flowered, appressed to rachis, the 

 lower scarcely longer than iuternode; glumes woolly, equal, two-thnds 

 as long as spikelet, oblong-linear, velvety toward tip, somewhat keeled, 

 obsoletely S-nerved, obtusish — May and June — Lebanon near F^lu^ha ; 

 Antilebanon. 



\ X Roots fibrous. 



4. A. elongatum. Host. 2f .5 to .8. Leaves elongated, linear, 

 at length convolute, filiform, erect, the uj^per surface with many 

 nerves, rough. Spike .06 to .15 long, .005 to .007 broad; spikelets a 

 little longer than internodes, ajipressed, oblong- Fig. 416. 

 lenticular to oblong, .01 to .015 long, 2-ranked, 

 with 5-13 flowerets; axis not brittle; glumes gla- 

 brous, nearly equal, half as long as spikelet, linear- 

 oblong, obtuse — June and July — Sands of coast ; 

 alpine summits of Lebanon (Rijal-el-'asharah) and 

 Antilebanon above Blud^n. 



"^ * Annuals. Spikelets ^-ranked, imbricated on a shoi^t 



axis. Glumes lanceolate, Iceeled; lateral nerves 0, 



or more or less obvious, 



5. A. $quarro§uin. Roth. .1 to .2, ge- 



niculate-ascending. Leaves linear, sheath of up- 

 permost not dilated. Spike ovate-oblong, .015 to 

 .03 long, .01 to .02 broad, dense, compressed; sij^gofA fo 

 spikelets glabrous, 3-5-flowered, laterally compres- ^' /qSarrosum.^""* 



116 



