Arundmaria.'] CLXXiii. aEAMiNHiE. (Bamhusem, Gamble.) 385 



internodes 10-12 in., walls thin. Stem.sheaths 4-6 by 1-2 in., covered with nt 

 length deciduouB bristles, shining, margins ciliate, auricles falcate and with long 

 bristles, blade subulate recurved. Leaves glabrous above, tessellate, margins carti- 

 laginous spinulose-scabrous, nerves 8-10 pairs ; petiole broad, flat ; ligule long, 

 membranous, deeply cleft. Remarkable for its broad leaves. 



25. A. armata, Gamble Bomb. Brit. Ind. 130, t. 119 ; rootstock 

 creeping, stems solitary, nodes smooth slightly thiokened, leaves oblong- 

 lanceolate long-acuminate tessellate smooth above slightly rough beneath, 

 margins scabrid, midrib pubescent above. 



Hills of Uppek BnBMA, alt. 5500 ft., Oliver. 



Evergreen. Stems about 20 ft. by l-lj in. diam., green, straight, smooth, walls 

 very thin ; nodes with a belt of straight smooth spines, internodes about 8 in. j 

 stem-sbeaths 6-8 in. by 2i-3 in. broad at the base, thin, tapering to a very narrow 

 tip, smooth or with scattered hairs above the middle, margins ciliate ; blade about 

 -jL in., triangular, pubescent; ligule very narrow, ciliate. JJeaves 6-9 by f-l^ in., 

 bright green, base narrowed, petiole -fg-^ in., tip twisted scabrid, midrib narrow 

 pale shining, nerves 6 pairs with 5-7 intermediate, transverse nervules very many 

 irregularly spaced j leaf-sheaths striate, ending in small calli and bearing 10-12 

 stiflF bristles j ligule very short, ciliate. Inflorescence unknown. — ^Near A. callosa, 

 Munro, but quite distinct. 



t+ Leaves not or inconspicuously tessellate by transverse nervules. 



26. A- suberecta, Munro in Trams. Linn. 8oc. xxvi. (1868) 32 ; stems 

 coBspitose wiry erect, leaves narrow 2-4 by ^j in. subsessile linear not or 

 hardly tessellate, base narrowed margins revolate, sheath ending in a callus 

 with a few deciduous bristles. Gamble Bamb. Brit. Ind. 25, t. 24. 



SiKKiM Himalaya, Kennedy. Khasia and Jaintea Hills, alt. 4000-5000 ft. 

 Qriffith, &c. 



Stems 10—15 ft. by J in. diam., olive-green, smooth; nodes slightly swollen; 

 internodes 6-10 in., walls thick j branchlets short, whorled. Stem-sheaths 2-6 by 

 J in. broad at base, glabrous, gradually narrowed to a naked or fimbriate mouth ; 

 blade J-IJ in., subulate, recurved; ligule long, tip fimbriate. Leaves pale beneath, 

 with many pellucid glands, tip setaceous, margins scabrous-serrate, nerves 3-4-pair ; 

 ligule rather long, pubescent. 



27. A. ILurzii, Gamble Bamb. Brit. Ind. 25, t. 25; nodes witb a 

 thick ring bearing very many long wiry geniculate branches, leaves 2-4 

 by i-i in. subsessile very thin linear-lanceolate acute obscurely tessellate, 

 base unequally narrowed, sheath slender striate, ending in a small callus 

 and a few thin cilia. 



SoTTTHEKN BuBMA ; on the coast, Kurz. 



Apparently a bushy shrub. Stem smooth, J-i in. diam. Leaves acute with 

 a short point, smooth on both surfaces with a few long tubercle-based hairs on the 

 nerves beneath, costa thin pale, nerves 2 pairs, transverse nervules very few and 

 inconspicuous; ligule short sometimes ciliate. — Remarkable for its thin leaves and 

 geniculate pale branchlets. 



** Stem-sbeaths 12-18 in. long, blade long. 



28. A, nXannii, Gamble Bamb. Brit. Ind. 26, t. 26; stem tufted 

 climbing wiry solid, blade of stem-sheath. 6-10 in. linear, leaves 6-9 by 

 5-1 in. petioled lanceolate hirsute beneath not tessellate. 



Assam ; Jaintea Hills, alt. about 3000 ft., Mann. 



Stems 30 ft., much branched, nodes thickened, branches many geniculate; inter- 

 nodes 3 ft., smooth. Stem-sheaths 12-18 in., convolute, slender; rough with 

 VOL. VII. C C 



