616 CXIII. GRAMINE^E 
glumes ovate-lanceolate, very variable in length, slightly or very 
unequal, both very small or one small and the other nearly as 
long as the flowering glume or both long. Flowering glume 
longer, sometimes much longer than the emptv glumes ; awn 
i-1 in. 
Simla, Narkunda, common. — Temperate Himalaya, 3000-9000 ft. 
3. Muehlenbergia himalayensis, Hack. ; FI. Br. Ind. vii. 259. 
Stems 12-24 in. Leaves 4-12 in., up to J in. broad. Panicle pale 
green, often tinged with violet, narrow, loose, drooping, 3-6 in. ; 
branches drooping, 1-2 in., usually naked near the base. Spike- 
lets not crowded, \ in. Empty glumes equal, lanceolate, acute. 
Flowering glume about one third or slightly longer than the 
empty glumes ; awn |-1 in. 
Simla. — W. Himalaya, 6000-7000 ft. 
32. CALAMAGROSTIS. From the Greek cala'mos, a reed, and 
agrostis, a grass. — Cold and temperate regions. 
Perennial ; stems tufted, 2-5 ft., erect, usually robust. Leaves 
glabrous, slightly rough, long, flat. Ligule membranous, oblong. 
Spikelets numerous, narrow, J in., 1 -flowered, crowded on the 
rough, whorled branches of a dense, silky, shining, nearly erect 
panicle often nearly a foot long ; branches 2-3 in., more or less 
spreading, naked towards the base. Rhachilla not prolonged. 
Empty glumes 2, the lower the longer, concave, narrowly lanceo- 
late, long-pointed, keeled. Flowering glume much shorter, trans- 
parent, glabrous but enveloped in a basal tuft of long, silky hairs, 
tip 2-lobed, a slender, straight awn in the cleft. Stamens 3. Styles 
2, short, distinct, feathery. Grain obovate, free but enclosed 
within the persistent glumes. 
Awn protruding . . . . . . . 1 . G. emodensis. 
Awn included . . . . . . . . . 2. C. littorea. 
*1. Calamagrostis emodensis, Gfriseb. ; FI. Br. Ind. vii. 261. 
Stems 3-5 ft. Leaves 12-18 in., by J-J in. ; lower surface glaucous. 
Panicle 6-10 in., pale grey. Awn protruding. 
Temperate Himalaya, 7000-12,000 ft. 
2. Calamagrostis littorea, DC. ; FI. Br. Ind. vii. 261. Stems 
2-5 ft. Leaves 12-18 in., up to J in. broad. Panicle 6-10 in., 
purple when young, turning pale yellow in fruit. Empty glumes 
tinged with purple at the base. Awn included. 
Simla. — Temperate Himalaya, 6000-10,000 ft. — W. Asia, Europe. 
33. DEYEUXIA. In honour of Nicolas Deyeux, a French 
botanist.— Most temperate and mountainous regions. 
