386 CLXXIII. GRAMINEJ:. (BambusecK, Gamble.) [Arundinaria. 



appressed bristles ; ligule narrow, toothed. Leaves papery, base narrowed or rounded, 

 tip thickened hirsute surmounted by a capillary bristle ; sheath ending on one side 

 in a round shining exauricled callus, on the other in a short pointed auricle with a 

 few bristles ; petiole wrinkled ; ligule small, hairy, ciliate. A curious species ro- 

 sembling A. Prainii, remarkable by its long narrow sheaths; its leaves resemble 

 those of Cephalostachyum. 

 * 



133. PHYX.X.OSTACHYS, Sieb. & Zucc. 



Coespitose shrubs. Stems smooth, flattened on one side, branches 

 fascicled at the nodes. Stem-sheaths rounded above, blade subulate. Leaves 

 jointed on the sheath, spinulose on one margin, tessellate, sheath loose. 

 Infl. of spicate branchlets in a leafy terminal panicle with imbricating 

 bracts. Spikelets 2-3, 1-4-fld. with a terminal imperfect rachil la jointed 

 between the fls. ; empty gls. 2-3, many-nerved, often bearing an imperfect 

 blade; flg. gls. ovate-lanceolate, acuminate, many-nerved; palea 2-keeled, 

 many-nerved. Lodicules 2. Stamens 3. Ovary stipitate, rounded, glabrous, 

 style long, stigmas 3. Species about 20, Eastern Asiatic. 



1. P. bambusoidesj Sieb. fy Zucc. in Abh. Akad. Munch, iii. (1843) 

 745, t. 5, f. 3; leaves thin, mouth of sheaths with long bristles. Steud. 

 Syn. Gram. 339; Munro in Trans. Linn. Soc. xxvi. (1868) 36; FrancTi. fy 

 Sav. Enum. PI. Jap. ii. 182 ; Gamble Bamb. Brit. Ind. 27, t. 27 ; Mitford, 

 The Bamb. Gard. 155. P. megastachya, Steud. I. c. Bambusa reticulata, 

 Rupr. Bamb. 58. B. bifolia, Sieb. mss. ex Munro. 



UPPER ASSAM; Mishmi Hills (without flowers), Griffith. DISTRIB. China, 

 Japan. 



Stems 10-12 ft., ^-| in. diam., graceful, smooth, yellow, nodes glabrous, inter- 

 nodes short, branches semiverticillate. Stem-sheaths 6-10 in., thin, top contracted 

 into a short neck then rounded and truncate, margins produced to meet the ligule 

 with a few bristles ; blade subulate ; ligule long, toothed. Leaves 3-4 by ^~ | in., 

 oblong-lanceolate, tip setaceous, glaucous and with stiff white hairs beneath, nerves 

 5-6-pairs ; petiole black, hairy ; sheath keeled, ciliate on one margin, mouth with 

 bristles on a short anricle ; ligule rounded. Bracts of infl. short, obtuse, sheathing 

 3-5 spikelets and with an imperfect blade. Spikeleis !-!- in. ; gl. I very large, 

 sheath-like, truncate, with a green cordate blade ; II oblique, keeled, few-nerved, 

 keels ciliate; flg. gls. f in., ovate, acuminate, many-nerved j palea as long. 

 Description from Hongkong specimens. 



2. P. IKannii, Gamble Bamb. Brit. Ind. 28, t. 28 ; leaves thick, mouth 

 of sheath nearly naked. 



KHASIA HILLS, alt. 5000 ft., cult, (said to have come from the Naga Hills), 

 Mann. 



Stems 15-20 ft. by 1-1 in. diam. ; internodes 8 in., yellow. Stem-sheaths 

 papery, 8-9 by 1-2 in., top rounded and truncate; blade 2-3 in., subulate; ligule 

 broad, pectinate. Leaves 4-5 by -f in., base rounded, tip shortly acuminate, 

 glabrous or nearly so, one margin spinulose -serrate, costa prominent, nerves 5 pairs ; 

 sheath loose, ending in a narrow ciliate callus with a few bristles; ligule broad, 

 long-pectinate. Infl. unknown. 



134. BAMBUSA, Schreb. 



Shrubs or trees, usually large and cosspitose, rarely climbing ; stem- 

 sheaths broad, blade often triangular. Leaves shortly petioled not tessel 

 late by nervules, but sometimes by pellucid glands, sheaths variously 



