HoUboelUa.'] clxxiii. qraminej;. (J. D. Hooker.) 157' 



12. XI. nigrescens, TAw. Enum. PI. Zeyl. 364; leaf -base ciordate, 

 spike fragile, gl. I of sessile spikelet ovate-oblong very obtuse or 3-lobnlate 

 dorsally tessellately foveolate obscurely 2-winged in the upper third or tip. 

 Sack. Monogr. Androp. 296 ; Trim. Cat. Geyl. PI. 107. 



Cetlon ; Central Province, alt. 40C0 ft., Thwaites. 



Stem tall, subereot, slender, glabrous. Leaoea 4-8 in., linear-lanceolate, glabrous 

 or sparsely bairy, margins scabrid, base oiliate ; sheath glabrous or sparsely hirsute ; 

 lignle rounded, dilate. Spikes 2-3 in., solitary or 2-nate, axillary and terminal ; 

 joints as long as the spikelet, stout, margins smooth. Sessile spiheleU -J in., ovate- 

 oblong; gl. I ovate, 9-nerved, wings scarions; II elliptic, obtuse, gibbons, keel 

 winged below the tip; III hyaline, oblong, obtuse, paleate, nerveless; IV elliptic, 

 obtuse, emarginate. Pedicelled spikelets ; gl. I smooth, striate, winged above on 

 one side, 7-9-nerved ; II 5-nerved, keel ezcentric, winged ; III and IV as in the 

 sessile spikelet ; pedicel adnate to the joint. 



13. B. Striata, Nees ex 8teud,. Syn. Gram. 361 ; leaf-base narrowed, 

 spites fascicled, often on very long peduncles, gl. I of sessile spikelet oblong- 

 lanceolate shortly winged below the tip dorsally smooth with 4-6 often 

 interrupted grooves below the middle. Sack. Monogr. Androp. 301. — 

 Wall. Gat. n. 8876, 8877. 



SiKKiM Himalaya, alt. 1-4000 ft., J.D.B., &c. Silhet and the Khasia 

 Hills, Wallieh, &c. JJukma and Sin(1AP0be, Wallich, &c. 



Stem 3-4 ft., slender, thickened under the spikes, smooth,, branched above. 

 heaves 2-4 ft. by ^-2 in., linear-lanceolate, setaceously acuminate, flat, midrib 

 broad ; sheaths glabrous, upper spathiform ; ligule very short, membranous. Spikes 

 1-2 in., pale, slender, terete, glabrous. Sessile spikelets as long as the joints ; 

 callus annular, glabrous ; gl. I obtuse, convex, many-nerved within, keels smooth ; 

 II chartaceous, ovate, subacute, acutely keeled, 1-nerved ; III ovate, acute, hyaline, 

 nerveless, paleate ; IV ovate, faintly 1-nerved. Pedicel of upper spikelet linear, 

 flattened, free or J or wholly adnate to the joint, tip hollowed, circular or compressed. 

 Eackel has two subspecies. 



Subsp. genuina ; leaves 1-2 ft. by i-| in., spikes in a simple lax panicle, joints 

 of riiehis scaberulous, sessile spikelets \ in., pedicelled spikelets of one long obtuse 

 glume winged on one side. — Of this there are two vars., a. glabrior, stems and 

 surfiices of leaves quite glabrous, margin of leaves and sheaths ciliate.— Singapore 

 and Tavoy ; and ;8. pvAescens, stem above and surfaces of leaves pubescent.^ 

 Khiisia Hills. 



Subsp. khasiana ; stem very tall much branched, leaves 3-4 ft. by 1-2 in., spikes 

 1-1-^ in, in a compound panicle; joints smooth, sessile spikelets ^ in., gl. I more 

 broadly winged, pedicelled spikelet J in., oblong. R. khasiana, Mnnro mss. — 

 Sikkim and the Khasia Hills. 



14. R. g-landulosa, Trin. in Mem. Acad. Pefersb. Ser. 6, ii. (1833) 

 250; perennial, spikes fragile, sessile spikelets ovate-lanceolate, gl. I 

 narrowly winged in the upper third, dorsally scaberulous, margins below 

 with on each side 5-7 npcnrved macros or tubercles. Hack. Monogr. 

 Androp. 302 ; Miq. Ft. Ind. Bat. iii. 408. Ooeloraohis mnrioata, Brongn. 

 in Buperr. Voy. Bot. i. 65, t. 14. Ophiurns muricatulus, Steud. in Zoll. 

 8yst. Verz. 57, Syn. Gram. 360.— Rottboellia ?, Wall Cat. n. 8887 B. 



BuEMA, Wallich. Maiat Peninsula; Singapore, Wallich; Malacca, Griffith; 

 Perak, King's Oolleetor; Pahang, Ridley. — Distbib. Java, Philippines. 



Stem 3-8 ft., tall, stout, branched, nodes pubescent or bearded. Leaves 2-3 ft. 

 by ^-1 in., linear, caudate-acuminate, base usually fimbriate, margin scabridly 

 serrulate; sheath bearded at the mouth; ligule densely hairy. Spikes many, 

 ?i-4 in., slender, terete, pale or violet. Sessile spikelets \-\ in., 1-fid, rather 

 shorter than the glabrous joints ; gl. I flat, obtuse, dorsally scaberulous; II charta- 



