Dmjfuxm.] OI.XX11I. GnAMtsfEifi. (J. B. Hooker.) 269 



I and II 1-nerved j III glabrous, nerves faint ; hairs of callus longest under the 

 palea. — Kesembles AgrosUs alba, from which the long callus hairs at once distinguish 

 it. 



B. Rachilla minute, glabrous ; callus hairs very short, 



10. D. Treutlerl, Stapf in Hook. la. Plant, t. 2396 ; tall, slender, 

 panicle elongate lax-fld., spikeleta tV-tV in., gl. I and II very unequal 

 lanceolate subacute acaberulous. III longer than II coriaceous obtuse 

 scaberuloui', palea as long as the gl., rachilla very small styliform, 

 callus minutely hairy. Milium Treutleri, 0. Kuntze Rev. Oen. Plant. 780 

 (partim). 



SiKKiM Himalaya, alt. 7-12,000 ft., in woods, J. D. S., Treutler, Clarke. 



Stem 2-4 ft., leafy nearly to the top. I/eaves 8-10 by j-^ in., linear-lanceolate, 

 acuminate, flaccid, acaberulous beneath ; ligule oblong. Panicle ovate, flaccid, at 

 length rigid, scaberulous ; branches in distant whorls. Spilcelets narrowly ovoid, pale ; 

 gl. I ovate-lanceolate, acute, 1-nerved j II longer, subacute, 1-nerved ; III longer 

 than II, laterally compressed, keeled ; palea about as long as the gl. Oram oblong, 

 laterally compressed, tightly wrapped in the gt. and palea. — A very anomalous species. 



Tribe VII. Avenej). (See p. 6.) 



76. ERXACKNI!; Br. 



Rigid, densely tufted grasses. Leaves filiform, convolute. Spikelets 

 few, 2-fld. (both 3. perfect), not jointed on their long pedicels ; rachilla 

 jointed at the base, not produced beyond gl. IV. Olumes 4, I and II 

 empty, subequal, persistent, keeled, many-nerved; III and IV subecfual, 

 narrow, at length rigid, awned or not ; palea rigidly coriaceous, 2-cuspidate 

 or 2-ari8tate, nerves obscure. Lodicules 2, oblong, truncate. Stamens 2-3. 

 Styles free, stigmas plumose, drain free within the rigid gl. and palea. — 

 Species about 22 Australian, and 2 Asiatic. 



1. E. triseta, Nees ex Steud. Syn. Gram. 'iSil ; gl. I and II linear- 

 lanceolate, III and IV long-awned. palea long-awned. Trim. Cat. Ceyl. 

 PI. 108 ; Steud. Syn. Oram. 237. Megalachne zeylanica, Thmaites JEnum. 

 n. Zeyl. 372, 4U. 



Tenasseeim ; Mergni, Griffith, Selfer. Ceymn ; Colombo, ThwaHes. 



Stems 1^-2 ft., slender, erect, branched below. Leaves 3-nerved; ligule very 

 short, ciliate. Panicle 2-4 in. Spilcelets with the awns i-| in. long, purple ; gl. I 

 and II snbaristate, glabrous ; III and IT narrow, silky ; callus long. 



2. E. pallescens, Br. Prodr. 184 ; si. T and II ovate acuminate, 

 III, IV, and palea bicuspidate. Kwnth Enum. PI. i. 310; Steudi Syn. 

 Gram. 237. Benth. Fl. Austral, vii 630. E. chinensis, Hance in Ann. 

 Sc. Nat. Ser. IV. xv. (1861) 228, in Journ. Linn. Soc. xiii. (1873) 136. 

 E. Hookeri, Munro in Journ. Linn. Soc. vi. (1862) 42, name. Aira effusa, 

 Spreng. Syst. i. 278. 



Chittaoong, J.D.H. & T.T. Pahano, Ridley. Nioobak Islds., Eurz.— 

 D18TMB. Borneo, Tonkin, China, Australia. 



Stem 1-2 ft. Leaves glabrous or slightly hairy. Panicle very lax. Spilcelets 

 with the awns i in. ; gl. I and II slightly hairy ; III and IV narrow and palea 

 villously hirsute, awns of III and IV about = the gl., of palea very short.— Bentham 

 describes the palea as entire, but in the Indian specimens they terminate m two 

 short rigid spines. 



