Arundinaria.'] clxxiii. GEAMiNEiE. (Bambusece, Gamble.) 379 



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

 and shortly aurlcled, with 2-1 short bristles. Spikelets ^ in., pedicels often ob- 

 cuneate, glabrous or slightly pubescent j gls. I and II ovate, tnucronate, 5-7-uerved j 

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

 ttt SpiTcelets racemose. 



7. A. densifolla, Munro in Trans. lAnn. Soc. xxvi. (1868) 32 ; small, 

 densely gregarious, leaves leathery densely imbricate subsessile lanceolate 

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

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

 racemes of 5-6 spikelets, fl. gl. long-mucronate. Trim. Cat. Cet/l. Fl. 110 ; 

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



Tbavancorj on the Anamallay Hills, alt. 8500 ft., 5e(Jdom«. Oeylon; Horton 

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



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

 rhizome; internodes lJ-3 in. by \ 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 l-lj 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; lignle short, rounded, hairy. Spikelets ^^-i in., rachillii glabrous; gl. I 

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

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

 Oeary 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 whcrled branches 

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

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

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



E. Nepal and Sikkim, alt. 6-12,000 ft. 



Stems 5-15 ft. by ^^-2 in. diam., walls thin, nodes a mere ring; internodes 

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

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

 the truncate tip ; blade subulate, reflexed. Leates 4-7 by i-| in., base rounded or 

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

 prominent, primary nerves 3-5 pairs, secondary 5-7, transverse nervules conspicuous ; 

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

 Fanide with a glabrous rachis, pedicels 1-1^ iu., wavy, angular. Spikelets 1-14 in., 

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

 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. Griffitbiana, 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 loug- 

 mucronate. Gamble Bamh. Brit. Ind. 10, t. 9. 



Bbitish BnuTAN, Fantling. Khasia and Jaiktea Hills, alt. 3-4500 ft., 



ariffith,&.c. . . ^ . i. J 



Stems 10-30 ft. by 1-lJ in. diam., olive-green; spmes short, stout; internodes 



