348 cLxxlii. GUAMiNE^. (J> D. Hooker.) [Glyceria, 



hyaline ; fig. gls. smooth, glabrou?, 5-nerved, outer nerves short. Lodicules obliqudy 

 ovate, acute. Anthers ^V 5"« Ouar?/ obliquely ovoid; styles very siiort, subtermiDal. 

 Tiie long subacute flg, gls. are characteristic. 



4. G. poaeoides, Sta_pf; leaves complicate scabrid above, longest 

 branches of panicle 1-1| in., spikelets \-i in. 2-4-fld., gl. II about Vo in., 

 flo- gls. I in. obtuse tip broadly hyaline. 



Western Tibet; Rupchu, grassy plains at the head of the Salt Lake, Thomson, 

 Stems 1--H ft., tufted, erect; innovation extravaginal erect, their sheaths op<'n 

 to near the base. Leaves 2-4 in., linear subacute, rather thick, smooth beneatii, 

 ligiile triangular ovate acute. Panicle 2-4 in., erect or inclined, rachis scabnd; 

 branches 2-4-nate, filiform, erect, sparingly divided, seaberulous, lowest very 

 unoqufil, lateral pedicels clavate. Spikelets oblong rather loose, pale green or 

 purplish, rachilla glabrous, disarticulating; gls. thin, finely ciliate-serrulate; calin-* 

 glabrous; I ovoid acute, 3-nerved, side nerves faint short; II similar with stronger 

 side-nerves; flg. gls. broadly elliptic-oblong, quite glabrous, dorsally rou»<^^''' 

 nerves obscure except with transmitted light; keels of palea scantily shortly ciluitc 

 Lodicules obliquely ovoid. A'^ithers J^ in. Ovary pyriform, glabrous. 



121. FESTUCA, Linn, (by O. Stapf.) 



Perennial, rarely annual grasses. Leaves flat convolute or setaceoii^- 

 Spikelets 3- many-ild., in open or contracted sometimes spiciform pamcles. 

 uppermost fl. imperfect; rachilla jointed below the flg. gls. not producea 

 beyond the uppermost imperfect. Glumes 5 or more; I and II subequ:* 

 or unequal, empty, persistent, keeled; I 1- very rarely 3-nerved, II 3- verj 

 rarely 5-nerved ; flg. gls. narrow, acute acuminate or awned, 5-7-Ile^ve^^ 

 dorsally rounded, or keeled towards the tip ouly ; palea 2-keeled. ^^^yf.Z 

 Stamens 3. Ovar^ glabrous or crown more or less hairy, not or sugH .-^ 

 enlarged; styles terminal, rarely subterminal, stigmas plumose. ^''^' 

 ventrally concave or grooved rarely flat, glabrous or crown hairy, free 

 more or less adherent with the palea, rarely with the gh, hilar area elongau- 

 —Species many, chiefly of temp, climates. 



The species are for the most part extremely difficult of discrimination. 



Sect. I. Eu-Festuca. Perennial. Smpt^ gls, subequal. Stamens i- 



A. Vernation of all the leaves conduplicate permanently, or cauline 

 more or less flat, always very narrow. , 



* Fig. gls. strongly involute, tightly embracing the grain firm, sea n^ 

 or if smooth not shining; ovary glabrous, innovations always ^^\^r^|"^? y 

 their leaf-sheaths usually open to or near to the base, or middle in 



Cutnmiihs 



ill. 



1. r. valesiaca, Sddcich. ex Gaud. Agrost IlelceL i. 242 '^^f^^^^^ 



Tl. i. 4U1, Suippl. 33i; lieicM. L: Fl. Germ. t. 63; Steud Sijn. Gr^"'w„fi., 

 r. dunascula. & parviHora, Hack, in He,-h. Dvthie, & var. tennis, -c.^^^ 

 Monofjr. Fes-t. Europ. 288. F. ovina, L., var. Pseudovina, Hack. I.e. ^- ^ ,^^ 

 Host Gram. Ausir. ii. 62, t. 86 {non Linn.). F. stricta, Hirh. Jtoyle- J? • " 

 & F. fihformis, Jacquem. mss.—F. n. sp. Herb. Strach. ^- Winterb. n. ^- 



