Arundinaria."] CLXXIII. GRAMINE.E. (Bambusece, Gamble.) 379 



nervules obscure or ; sheath glabrous, striate, paleaceous, ending in a ciliate callus 

 and shortly auricled, with 2-4, short bristles. Spikelets | in., pedicels often ob- 

 cuneate, glabrous or slightly pubescent; gls. I and II ovate, mucrouate, 5-7-nerved ; 

 fl. gls. similar but longer; palea 2-cuspidate, hirsute, tip ciliate, keels smooth. 

 ttt Spikelets racemose. 



7. A. densifolia, Munro in Trans. Linn. Soc. xxvi. (1868) 32 ; small, 

 densely gregarious, leaves leathery densely imbricate subsessile lanceolate 

 acute or long-acuminate spinulose-serrate tessellately nerved, base rounded 

 or cordate, spikelets 1-fld. in a dense panicle of leafy branchlets bearing 

 racemes of 5-6 spikelets, fl. gl. long-mucronate. Trim. Cat. Ceyl. PI. 110 ; 

 Gamble Bamb. Brit. Ind. 8, t. 7. 



TBAVANCOR ; on the Anamallay Hills, alt. 8500 ft., Beddome. CEYLON ; Horton 

 Plains, alt. 7200 ft., and Pedrotallagalla, G. Thomson, Maxwell, Trimen, &c. 



Stem 6 in.-3 ft., with stiff strong leafy branches arising from a thick scaly 

 rhizome; internodes 1^-3 in. by i in. diam. or less, smooth, walls rather thick; 

 stem-sheaths 1 in. or longer, striate, hirsute, narrowed to the truncate acutely 

 2-auricled top; blade short, ovate. Leaves 1-1| by i-i in., tip glabrous, margins 

 broadly cartilaginous, midrib thick, primary nerves 1-2 obscure, secondary 4-5 

 regularly tessellate with nervules ; sheath striate, ciliate with whitish stiff hairs 

 above; ligule short, rounded, hairy. Spikelets T *o~i in., rachilla glabrous; gl. I 

 short, lanceolate; II broader, 5-nerved, keel scabrous; palea 2-mucronate, with a 

 faint nerve outside each scabrid keel. Lodicules obovate, fimbriate. Anthers long. 

 Ovary ellipsoid. 



8. A. racemosa, Munro in Trans. Linn. Soc. xxvi. (1868) 17 ; stem 

 erect from a long rhizome, internodes scabrous, leaves linear-lanceolate 

 tessellate tip setaceous, margins scabrous-serrulate, spikelets 4-8-fld. on 

 short racemes of a simple terminal panicle of close leafy whorled branches 

 surrounded by persistent sheaths, fig. gls. caudate-acuminate from a broad 

 base ciliate. Gamble Bamb. Brit. Ind. 9, t. 8 ; Mitford, The Bamboo 

 Garden, 174. A. Gamrnieana, Gamble mss. (an Alpine form). 



E. NEPAL and SIKKIM, alt. 6-12,000 ft. 



Stems 5-15 ft. by T V-2 in. diam., wails thin, nodes a mere riug ; internodes 

 12-15 in., blue-green when young; branches fascicled at the nodes; stem-sheaths 

 usually 10 in., striate, covered with scattered stiff black hairs, narrowed couvexly to 

 the truncate tip; blade subulate, reflexed. Leaves 4-7 by ^ f in., base rounded or 

 narrowed into the very short petiole, glabrous or sparsely hairy above, midrib 

 prominent, primary nerves 35 pairs, secondary 5 7, transverse nervules conspicuous; 

 sheath 2-auricled with a ciliate membrane below the blade ; ligule short, obtuse. 

 Panicle with a glabrous rachis, pedicels 1-1 in., wavy, angular. Spikelets 1-1^ in., 

 rachilla clavate ; gl. I and II very small, distant, acuminate; flg. gls. 7 9-nerved, 

 setaceous, tip scabrid ; palea shorter, 2-mucronate, tip scabrous, keels ciliate, nerves 

 or obscure. Flowers rarely and only in the higher elevations, when the stem is 

 sometimes reddish. 



** Nodes of stem spinous (except A. Pantlingi). 



9. A. G-riffithiana, Munro in Trans. Linn. Soc. xxvi. (1868) 20; 

 gregarious, internodes furrowed, nodes girt with a ring of tawny hairs, leaves 

 thin linear-lanceolate acuminate tessellate margins smooth, tips setaceous, 

 spikelets 4-6-fld. in whorled clusters on a terminal panicle which is sur- 

 rounded by sheathing bracts, pedicels hairy, flg. gls. lanceolate long- 

 inucronate. Gamble Bamb. Brit. Ind. 10, t. 9. 



BEITISH BHUTAN, Pantling. KHASIA and JAINTEA HILLS, alt 3-4500 ft., 

 Griffith, &c. 



Stems 10-30 ft. by 1-1^ in. diam., olive-green; spines short, stout; interuodes 



