Oxytenanthera] CXII. GEAMINEjE 675 



soutliwards. Karntil liills. Gregarious, straggling or climbing, culms 10-15 ft. 

 long, branciied from the base, brancMets whor led, ending in pliant wliips with whorls 

 of small branchlets and very small ]., internodes 12-18 in. long, diam. 1 in., walls thin. 

 Culm-sheaths ^ or J the length of internode, at the apex with large falcate auricles, 

 which are thickly set with long stiif curved bristles, 1. 4-12 by J-IJ in., n. 18-36 on 

 i in., leaf-sheaths with bristles at the mouth while young. Panicle "huge, often leafy, 

 spikelets J-^ in. long, usually 1-M., anthers long-apiculate, style hairy, stigmas 8, 

 short, plumose. 7. 0. Bourdilloni, G-amble, t. 67. Yern. Kamhu^ Tarn. ; Aramhu, Mai. 

 Travancore ghats, 3-4,000 ft., rare, found only on rocky cliffs. Tufts loose, not compact, 

 culms 20-30 ft. high, internodes 3 ft. long, walls thin, culm-sheaths 6-12 in., blade 

 triangular, sharply mucronate. L. thin, 6-9 by 1-1 J in., n. 18 on J in., ligule long, 

 serrate. Heads 1\ in. diam. in long spikes, spikelets" polished, f in. long, mucronate, 

 3-fld., ovary hairy, style hairy, stigmas 3. Fl. at long intervals, Travancore in 

 1887. 



7. PSEUDOSTACHYUM, Munro ; M. Brit. Ind. vii. 409. 



P. polymorphum, Munro, tlie only species; Gramble, t. 85. Vern. 

 Filing. ISFep. ; Bajdl, Basdl, Nal, Tolli, Ass.; Wachallj Garo ; Bawa, 

 BauJcwa, Burm. ; Wana, Kachin. 



Single-stemmed, culms 25-50 ft., overkanging, often supported by neigh- 

 bouring trees, lower part branchless, internodes 8-15 in. long, 1-2 in. diam., 

 walls thin. ^ Culm-sheaths loose, much shorter than internodes, blade early 

 deciduous, ribbed and often with transverse veins, lanceolate or triangular, 

 often ^ longer than sheath. L. thin, 6-15 by 1-2 in. usually glabrous, 

 sometimes fine hairs on the underside, pet. varying in length up to ^ in., 

 n. 18-22 on J in., transverse veins conspicuous, often bent, where they cross 

 the band of silica cells. Flowers frequently, in most cases fl. deformed and 

 sterile, usually appearing as large round masses of hairy glumes. Spikelets 

 solitary, ^ in. long,^ in the axils of narrow bracts on the slender branches of 

 a^ large leafy panicle. One fertile fl., palea convolute 2-keeled, keels not 

 ciliate, lodicules large, ciliate, anthers apiculate. Caryopsis depressed- 

 globose, surmounted by the base of style and supported by the persistent 

 glumes, palea and lodicules. 



Sikkim and Bhutan, from the foot of the hills to 5,000 ft. G-aro hills. Assam. 

 Manipiir. Moister districts of Upper Burma. 



8. DENDROCALAMUS, Nees; Fl. Brit. Ind. vii. 403. 



Tall unarmed Bamboos, in dense clumps. Culm-sheaths often very large. 

 L. mostly large, n. 20-30 on I in., usually 24 or 25 (memhranaceus 30-40), 

 transverse veins, if not obscured by hairs, more or less visible in dry leaves 

 on the underside. Spikelets ovate, fl. few, rarely more than 6, usually bi- 

 sexual. Grlumes many-nerved, empty 2-3. Palese of lower fl. 2-keeled, 

 ciliate, only those of the terminal fl. rounded on the back and not keeled. 

 Lodicules as a rule none, sometimes 1-2 in D. pafellaris, Brandisii^ and 

 ■flagellifer. Stamens 6, filaments free. Ovary hairy in the upper part, style 

 long hairy, undivided, in a few species 2-3-fid. at the apex. Seed enclosed in 

 a hard crustaceous pericarp. Species 16, South-Eastern Asia. 



A. Spikelets numerous, spinescent, in dense, usually globose heads, rachis 

 of spike solid or nearly so. 



1. D. strictus, Nees; Bedd. FL Sylv. t. 325; Brandis F. Fl. t. 70, 

 G-amble, t. 68, 69. Male Bamboo, Vern, Bans, Hind. ; Karail, Beng. ; 

 Ralpa, Wadur, Grond. ; Indo, Kurku; Manv^el, Bundi, Thana; Sanna 

 VedurUj Kanka Veduru, Tel. ; Kib-Bidaru, Kan. ; Kal-Mungil, Tarn. ; 

 Myinica, Burm. 



Middle-sized, deciduous, culms greyish-green, often blotched, closely packed 

 in dense clumps, the lower portion with short stiff spreading generally leaf- 

 less branches, one of which is much larger than the others, those on the upper 

 portion slender, and leafy. Internodes 10-15 in. long, 2-3 in. diam., in dry 



