346 CLXXIII. GRAMINE.E. (J. D. Hooker.) [Poa, 0. Stapf. 



exserted or not. Leaves 2-4 in., rarely more, by ^"i ni -> linear, smooth, margin 

 roughish ; sheaths up to 2 in., lax, subcompressed, usually longer than the blade, 

 margins roughish ; ligule ovate or oblong, up to in., shorter in the lower leaves. 

 Panicle up to 3^ in., rigid, lower branches up to 1-y i n -> 2- rarely 3-5-nate or 

 solitary, spreading, naked to the middle and branchlets smooth. Spikelets -i in., 

 subsessile or shortly pedicelled, more or less crowded, ovate or oblong-ovate, green 

 or purplish ; gl. I ^- T \j in., lanceolate, acute, 1-nerved, with sometimes 2-slender 

 lateral nerves, keel minutely scabernlous j II rather longer, 3-nerved ; flg. gls. ^ in., 

 obtuse, rarely subacute. Anthers ^ in. Grain ^-ra *"> oblong. 



Var. nepalensis, Griseb. in Goett. Nachr. (186bj 75, perennial, stem 20 in., leaves 

 12-20 in., ligule shorter, panicle up to 6 in., lower branches almost capillary, upper 

 and branchlets subscaberulous, spikelets more distant longer pedicelled glaucous 

 green, keel and outer nerves of fl. gl. silky-hairy to the middle, wool often copious. 

 P. annua, (3. Nees in Herb. Royle. Poa nepalensis, Wall, ex Duthie Grass. N.W. 

 2nd. 40. Poa, Wall. Cat, n. 3791. Western Himalaya, from Dalhousie to Nepal. 



Var. sikkimensis, Stapf ; perennial, rootstock slender giving off stems surculi and 

 stolons at the nodes, leaves up to^iu. broad, ligule i- in. denticulate, panicle 3-6 in., 

 branches slender flexuous and branchlets subseaberulous, glumes firmei 1 , flg. gls. nearly 

 glabrous, wool 0. P. alpiua & nepalensis (in part), Herb. 2nd. Or. Hf. fy T. 

 Eastern Himalaya, alt. 11-15,000 ft., J. D. H., &c., W. Bhotan, Cummins. Some 

 specimens approach P. himalayana in their slender habit and narrower leaves, 

 but the ligule is much larger. 



UNKNOWN SPECIES. 



P. HANSIANA, Royle III. Bot. Himal. 416 (name). Hansi & Saharunpore, 

 Royle. Probably, from the localities, P. annua. 



119. COLPODIUM, Trin. 

 See 103. Catabrosa, Beauv. p. 310. 



120. GXiYCERXA, Br. 



Perennial, rarely annual grasses. Leaves linear, flat or convolute. 

 fipiJcelets few or many-fld., in contracted or effuse panicles ; rachilla jointed 

 between the fig. gls. rarely hairy, uppermost fl. usually imperfect. Glumes 

 I and II hyaline, empty, persistent, 1-5-nerved ; flg. gls. broadly oblong 

 obovate or fan-shaped, dorsally rounded, 3-9-nerved, nerves often obscure 

 vanishing below the broadly hyaline obtuse rounded (rarely subacute) or 

 truncate tip ; keels of palea smooth or scaberulous. Lodicules 2, minute or 

 well developed. Stamens 3. Styles short, distinct. Grain terete or com- 

 pressed, free or subadherent to the palea Species about 30 enumerated. 



Sect. I. HYDROCHLOA. Flg. glumes strongly 7-nerved. Lodicules 

 minute. 



1. G-. tong-lensis, Clarke in Journ. Linn. Soc. xv. (1876) 119 ; very 

 slender, leaves narrow smooth, panicle elongate slender, branches few erect 

 at length spreading unequal lower up to 4 in. erect at length deflexed, 

 snikelets -i in. 4-8-fld., gls. I and II 1-nerved. G. caspica, Griseb. in Goett. 

 Nachr. (1868) 76 (non Trin.) G. fluitans, Duthie Grass. N.W. Ind. 41 (non 

 Br.). G. rivularis, Jacquem. mss. Poa n. 24, Herb. Ind. Or. Hf. fy T. 



TEMPERATE HIMALAYA, from Kashmir, alt. 7-9000 ft., and Kumaon, alt. 4-5000 

 ft., to Sikkim, alt. 7-12,000 ft. Munipore, alt. 9000 ft., Watt. 



Stems widely creeping in wet places, more tufted in drier, 4-18 in., ascending, 



