382 OL^XIII. GRA.MINEJE. (Bambusecc, Gamble.) [Arundinaria. 



15. A. Hooker iana, Munro in Trans. Linn. Soc. xxvi. (1868) 29 ; 

 stems 15-20 ft. slender, nodes not much swollen ringed by the base of the 

 sheath, leaves 6-12 by ^-1| in. narrowed into a swollen petiole, nerves 4-8 

 pairs with oblique transverse pellucid glands not tessellate, sheath glabrous 

 minutely ciliate, ligule long, inn. of loosely fascicled falcate bracteate 

 panicles, spikelets drooping 1-fld., fl. gl. large broadly ovate 3-nerved. 

 Gamble Bamb. Brit. Ind. 17, t. 15. 



EASTERN HIMALAYA, alt. 4-7000 ft. ; Sikkim and W. Bhotan, J. D. H., Gammie, 

 &c. 



Sterns 15-20 coespitose, glaucous green, with white scurf when young ; older inter- 

 nodes 8 by f-l i n - with a dark blueish ring at the top, often striped green and 

 yellow, walls -^ in. thick; stem -sheaths often 12-24 in. by 3-6 in. broad at the base, 

 narrowed upwards and truncate ; blade 3-6 in., linear ; ligule &-$ in., depressed in 

 the middle. Leaves glaucous green when young, upper surface and margins scabrid ; 

 sheath ending in a broad callus and thin naked membrane. Infl. loose, on separate 

 stems. Spikelets about in., pedicelled ; gl. I -^ in., 3-nerved, tip hairy; II ^ in. 

 5-nerved, mucronate ; fl. gl. hard, involute, angled, scabrous between the nerves ; 

 palea glabrous, tip hirsute. Grain ellipsoid. 



Sect. III. Erect shrubs. Inflorescence usually in leafy panicles ; bracts 

 large. 



16. A. spathiflora, Trin. in Mem. Acad. Petersb. Ser. VI. iii. II. 

 (1835) 617, Sp. Gram. Ic.t. 350; stem-sheaths oblong tip rounded, leaves 

 2-4 at the end of the branches, 3-5 by ^-| in. linear-lanceolate tessellate, 

 sheath loose, bracts enclosing 2-3 compressed 4-8-fld. spikelets, gl. I short 

 obtuse, II long-mucronate, flg. gls. 4-5 ovate long-acuminate, palea very 

 short. Ruprecht. Bamb. 24, t. 2, f. 5 ; Steud. Ryn. Gram. 334; Brandts in 

 Ind. Forester, xii. 206; Gamble Bamb. Brit. Ind. 17, t. 16; Mitford, 

 The Bamboo Garden, 172. A. procera, Wall. mss. Thamnocalamus 

 spathiflorus, Munro in Trans. Linn. Soc. xxvi. (1868) 34, partly; Brandis 

 For. Flor. 563. BambuBa macro, Wall, in Herb. Hook, (ex Munro). Gen. 

 Nov. Wall. Cat. n. 5041. 



WESTERN HIMALAYA; from the Sutl^j to Nepal, alt. 7-9000 ft., Wallich, &c. 



A gregarious shrub 12-20 ft. high. Sttm -f in. diam., smooth, young glaucous 

 green and scurfy, older yellow or reddish-brown, nodes prominent, intemodes 6-15 in., 

 branchlets chiefly from the upper nodes, leafing branches with loose yellow sheaths 

 3-5 by ^f in. Stem- sheaths loose, glabrous, margins ciliate, mouth |-f in. broad, 

 with a few stift' bristles ; ligule -^ in., fimbriate. Leaves shortly petioled, base 

 narrowed, tip acute hairy ; sheath 2-3 in., truncate, auricles bristly callus 

 narrow, ciliate; ligule long-ciliate. Infl. usually on leafless stems, branches 

 fascicled drooping 1 , with narrow papery sheaths, 1^-3 in. long. Spikelets 1-2$ in., 

 pedicelled; ra-hilla long, clavate, tip hairy ; gl. I and II linear-lanceolate, glabrous; 

 fl. gls. |-1 in. scabrous. Distinguished from A. faicata by the tessellate leaves, and 

 from jaunsarensis by the short rhizomes and tufted habit. 



17. A. aristata, Gamble Bamb. Brit. Ind. 18, t. 17 ; stem-sheaths 

 narrowed to a broad rounded top, leaves fascicled on jointed purple branch- 

 lets oblong-lanceolate tessellate, sheath loose keeled with a thickened spongy 

 callus below the petiole, bracts of infl. broad enclosing 3-5 compressed 

 4-8-fld. spikelets, gl. I and II oblong-lanceolate scabrous 5-7-nerved, fl. 

 gls. ovate long acuminate, palea nearly as long. Thamnocalamus spathi- 

 florus, Munro in Trans. Linn. Soc. xxvi. (1868) 34, partly. 



