Poa, 0. Stapf.] OLxxiii. gbaminb^. (J. D. Hooker.) 339 



much louger, up to 2-1 in., smooth, open or not, uppermost remote from the panicle ; 

 ligule of the lower and of the surculi yery short, truncate, cilidlate, of the upper 

 longer, ovate, sparingly coarsely ; denticulate. Panicle up to 2^ by 2 in., lax or 

 dense, lower branches more or less, spreading, usually naked in the lower half; 

 branchlets short, scaberulous. Spikelets crowded, usually parti -coloured, the 

 lower shortly upper longer-pedicelled j gls. thin, I^ in., 3-nerved, lateral nerves 

 faint or one obsolete, margins snbeutire, keel rough; II similar, but rather broader ; 

 fl, gls -|-f in., often emarginate; palea hardly shorter, keels ciliate below the 

 middle, serrulate above it. Anthers J^ in., oblong. 



tt Spikelets narrower, gls. all or flg. especially firmer, I and II 

 lanceolate or olDlong-lanceolate. 



a. Gls. all firm ; 1 8f II acute or subacuminate, I 1- or sub 3-nened ; 

 anthers ^g— iV '''"■■ — S^'t^^r t<M robust or subrohust species, stoloniferous 

 when flg. ; stems smooth. — § Pratenses. 



4. V- tibetica, Munro ex Duthie Grass. N.W. Ind. 41; tall, stout, 

 stoloniferous, leaves linear acute firm, ligule abort truncate, panicle con- 

 tracted or spioiform, lower branches 2-4-Qate unequal smooth, spikelets 

 ^i in. 4-6-fld. pedicelled crowded pale, gl. I ovate-lanceolate margin 

 hardly hyaline, II ciliate on the margins towards the base, fl. gls. oblong, 

 tips only hyaline, keel alone silkily hairy, lateral nerves obscure, wool 0. 



VVestebn Tibet, alt. 9-16,000 ft. ; Piti, Jacquemont ; saline plains of Ladak, 

 Ac, Thomson.- Piains of Tibet N. of Kumaon, alt. 15,000 ft., Straohey 8f 

 Winterbottom (Poa, ii. 1.) 



Stem 12-20 in., stout, terete, smooth, closely sheathed below, 1-2-leaved much 

 below the panicle. Leaves, lower 8 in., upper 2-3 by J-i usually plicate, glab- 

 rous, smooth; sheaths firm, upper very long, smooth; ligule ^V '"•> fi'™i ciliolate. 

 Panicle about li in. long, narrow, interrupted; lower branches 2-nate, the longer 

 lappressed to the rachis, and branchlets smooth. Spikelets crowded, all pedicelled, 

 oblong, pale; gls. firm, I \-\ in., subacuminate, sub 3 -nerved, keel minutely 

 scaberulous, margins hardly hyaline ; II rather liirger, more oblong ; fl. gls. i-J in., 

 subacute, ciliate on the margin towards the base, lateral nerves obscure; palea 

 rather shorter, keels Bubserrnlate. Anthers Jq in., linear. 



Var. aristulata, Stapf; gls. more acuminate often very shortly aristulate.— 

 Eastern Tibet, N. of Sikkim, alt. 16-17,000 (t.—J. D. B. 



5. P. pratensis, Unn. Sp. Fl. 67 ; tall, stout, stoloniferous, leaves 

 nsuaily flat acute upper much the shortest, ligule truncate or subobovate, 

 panicle ovate or oblong lower branches usually 5-nate, spikelets ^-i m. 

 3-5-fld. ovate acute crowded green, gl. I ovate-lanceolate acute, flg- gls. 

 oiolong upper i-J hyaline nerves prominent, keel and lateral nerves silkily 

 hairy to the middle or above it, wool copious, keels of palea gcabrid-serrate.— 

 Host Gram. Austr. ii. 44, t. 61 ; Engl. Bot. t. 1073 ; Xnapp Gram Britt.t 

 bb;Kunth Enum. PL i. 352, Suppl. 297; 8teud. 8yn._ Gra.m.2bl;BetM 

 In. Fl. Germ. t. 88 ; T. Nees Gen. Fl. Germ.Monocot. i. n 66 ; Le^b Fl. 

 Boss. iv. 378; Boiss. Fl. Orient, v. 601 ; Griseb. m Goett. Nachr (im) 74; 

 Duthie Grass. N.W. Ind. 40. P. alpina, Griseb. I. c. (Herb. Schlagmtw. n. 

 2772.) 



Western Himaiaya ; from Kashmir to Kumaoa, and Western Tibet, alt. 

 5-15,000 ft. Bhotan, Gri^tA.— Disibib. North temp, regions. 



Stems 6-20 in., smooth, terete. Leaves crowded at the base of the stem, Imear, 

 rarely plicate or subinvolute, firm (aaccid in shade), """•S;°l''.^P«™lT^\f„"''Xvest 

 rarelv sparsely hairy, lower very variable m length, upper J-l m. by A-i '"■ i/»^^e^t 

 sCfhsTm, close ;^;pper much longer, 4 in and upwards, smooth ; hgule rarely more 



z 2 



