8 CLXXIII. GRAMINEiE. (J. D. llookcr.) 



thnn the lowest, gl. II subulate, l-nerved ; fig. gls. 



a-nervcd; praui broad, concave .... 105. Mykiostachys. 



Infl. snhpanicled ; spikelets many-fld. ; empty gl. shorter 

 than the lowest flg. gl. I 3-tierved, II 5-nerved ; 

 rachilla silky ; flc;. gls. 3-ncrvcd, griim grooved , 106. IIaloptrum. 



Infl. rnpitate in the (Indian ep.) ; spikelets few or many- 

 fld. ; empty gls. shorter than the flg., I l-3-net'V(*d, 

 II 5-nerved; fl. gls. 3-nerved, villous; grain broad, 



concave . . ... .... 107. Coelaciiykum. 



Spikelets sessile on the spiciform branches of a tall, broad 



panicle, many-fll. ; fl. gls. 3-4-toothcd . . . 108. Diplachne. 



Sabtribe V. Melice.?:. Spikelets usually panicled, 1- or more-fid. ; gls. 

 many, upper smaller, empty, convolute iu a clavate mass. 



Gl, I and 11 separately deciduous 109. Melica. 



Subtribe YI. Centothkce^. Spikelets 1- many-fld., 1-2-seriate on the 

 rachis of a simple apike or on the long slender branches of a simple panicle. 

 Leaves broad, tessellately nerved. 



Spikelets 1-fld., secund and articulate at the base; upper 



gls. empty, cor.vohite with setitorm tips . • . 110, LoPHATflERUM. 

 vS pikelets 3- or more-fid., secund, persistent ; fruiting gls. 



with reflexed submarginal bristles .... 111. Centotuega. 

 Spikelets 1— t-fld., secund, 2-seriate on the rnchis of a 



simple spike 112. Steeptogyne. 



Subtribe VIT. EuFESTUCEi*. i^j^i^^Zf^^upnally panicled, 2- or more-fld. ; 

 fl. gls. 5- many- (^ery rarely 3-) -nerved, upper empty or 0; styles tihoit 



(except Duthiijea). (Spikelets of Brachypodium in long very lax spikes of 

 ^huropv^ in crowded spikes.) 



^Spikelets many-fld., subspicately crowded; fl. gl. broad, ^ 



many-nerved. Prostrate, leaves riiiid, pungent . 113. JEleuropus. 

 Spikelctjj few-fld., in close secund clusters; gl, I and II 



shorter than the mncronate or awned flg. . . . 114. Dactylis. 

 Spikelets on a short panicle, subsessile, compressed ; fl. gls. 



• keeled, tips membranous. Annuals .... 115, Sclekochloa. 

 Spikt'lots very small, in a narrow panicle with erect 



branches, awitless. Annuals . . . . . 116. Scuismvs. 

 Spikelt'ts ovate, in a lax pyramidal panicle, pendulous ; 



gli*. inflated, awuless, closely imbricate, manj-ntrvtd, 



dorsally convex 117. Briza. 



Spikelets hixly panicled, few fld. ; gls. keeled, 5-nervcd 

 (3- in P. persica), awuless, nerves ri'rcly meeting at 

 tlie tip . . ...... • 118, PoA. 



Spikelets laxly panicled, 1-2-fld., awnless ; gls. hyaline, 

 flg. very broad, truncate, 5-nerved, lateral nerves 

 very short . 119. Colpodipm. 



Spikelets panicled, many-fld. , awnless ; gls. obtuse, dorsally 



rounded, 5--9-nerved, lateral nerves short . . . 120. Glyceria. 



Spikelets panicled, many-fld.; fl. gls. acute or awned, 



dorsally rouuded, top of ovary nuked or hairy . . 121. Festuca. 



Spikelets panicled, 3- many-fld.; fl. gls. mncronate or 

 awned, dorsally rounded, 5-9-nervcd, top of ovary 

 lobed villous 122. Bromtjs. 



Spikelets few, sub-capitate, 3-5-fid. ; fl. gls. 7-11-nervod, 



2-fid; style very kmi?, 2- Ud 123. DcTUi^A. 



Spikelets gpieate, many-fld., mncronate or awued . . 12A. BrachypoMUM. 



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