Deymxia.] CLxxnl. GBAMINE^:. (J. D. Hooker.) 269 



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

 palea. 'Resembles Agrostis alba, from which the long callus hairs at once distinguish 



it. 



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



10. D. Treutleri, Stapf in Hook. Ic. Plant, t. 2396 ; tall, slender, 

 r>anicle elongate lax-fld., spikelets T V-ro- in-, gl. I and II very unequal 

 lanceolate subacute scaberulous, III longer than II coriaceous obtuse 

 scaberuloue, palea as long as the gl., rachilla very small styliform, 

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

 (partim). 



SIKKIM HIMALAYA, alt. 7-12,000 ft., in woods, J. D. H., Treutler, Clarke. 



Stem 2-4 ft., leafy nearly to the top. Leaves 8-10 by -^ in., linear -lanceolate, 

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

 length rigid, scaberulous ; branches in distant whorls. Spikelets narrowly ovgid, pale; 

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

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

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



Tribe VII. AVENE^. (See p. 6.) 

 76. ERIACHNE, Br. 



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

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

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

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

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

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

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

 JSpecies about 22 Australian, and 2 Asiatic. 



1. E. triseta, Nees ex Steud. Syn. Gram. 237 ; gl. I and II linear- 

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

 PL 108 ; Steud. Syn. Gram. 237. Megalachne zeylanica, Thwaites Enum. 

 PI. Zeyl. 372, 444. 



TENASSERIM ; Mergui, Griffith, Heifer. CEYLON ; Colombo, Thwaites. 



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

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

 iind II subaristate, glabrous; III and IV narrow, silky; callus long. 



2. E. pallescens, Br. Prodr. 184 ; srl. I and II ovate acuminate, 

 III, IV, and palea biouspidate. Kunth Enum. PI. i. 310; Steud. Syn. 

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

 So. Nat. Ser. IV. xv. (1861) 228,- in Journ. Linn. Soc. xiii. (187$ 136. 

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

 Spreng. Sysi. i. 278. 



CHITTAGONG, J.D.H. & T.T. PAHANG, Ridley. NICOBAR ISLDS., Kurz. 

 DISTKIB. Borneo, Tonkin, China, Australia. 



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

 with the 'awns 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 in two 

 short rigid spines. 



