158 OLXXiii. QRAMiNE^. (J. D. Hooker.) [RotthoeUia, 



ceous, elliptic-lanceolate, ciliolate ; III ovate-oblong, obtuse; IV hyaline, 3 -nerved; 

 palea truncate, nerveless. Pedicelled ipikelett reduced to a solitary gl. winged on 

 one side, rarely with a second ; pedicel adnate to the joint of the rachis. — A solitary 

 specimen of a closely allied, I think, undescribed, species from Rangoon, McLelland, 

 has caudate acuminate leaves, solitary spikes, sessile spikelets longer than tlie 

 joints, gl. I narrowly obloug, margins smooth. 



15. R. Xelferl, Mooh.f. ; perennial, spikes solitary fragile snbsessile 

 in the sheaths, joints very short pyriform, sessile spikelets longer than the 

 joints, gl. I ovate obtuse narrowly winged above the middle, back and sides 

 smooth. 



Tenasserim, Belfer. 



Stem 1-2 tt., slender, erect, from a nodose stock, sparingly branched above; 

 nodes faintly bearded. Leaves 1-2 ft. by \-^ in., erect, linear from a hardly 

 narrowed base, finely acuminate, hairy on both surfaces ; sheath glabrous, bearded at 

 the tip. Spikes 1-4 in., slender, erect; joints Jj in., excavate ou one side, base 

 shortly hairy. Spikelets i in. ; gl. I broadly ovate, narrowed suddenly above the 

 middle, smooth, glabrous, or slightly pubescent ou the sides below, wings serrulate ; 



II ovate, acuminate, cbartaceous, 1-nerved, keeled, faintly obliquely winged ubove, 



III broadly ovate, obtuse, hyaline, faintly 3-nerved, palea small 2-tootbed; IV 

 ovate, obtuse or subacute ; palea broad, truncate, 2-nerved. Pedicel of upper spikelet 

 longer than the joint, linear, flattened, strongly 2-nerved, ciliolate at the base; 

 spikelet reduced to a minute ovate glume. 



B. Sessile spikelets geminate in all but the uppermost joints of the 

 spike. 



Sect. V. Mnesithea, Kunth (genus). 



16. R. perforata, Boxh. PI. Coram, ii. 43, t. 182, Fl. Ind. i. 356 ; 

 leaves very narrow, spikelets glabrous, pedicelled spikelets reduced to a 

 minute gl. R. laevis, Retz. Ohs. iii. 11 ; Steud. 8yn. Gram. 362. Ophinnis 

 perforatus, Trin. in Mem. Acad. Petersb. 8er. 6, ii. (1833) 246 ; HacTe. 

 Monogr. Androf. 319. O. Isevia, Benth. in Journ. Linn. Soc. xix. (1881) 69; 

 Trim. Gat. Ceyl. PI. 107; Duthie Grass. N.W. Ind. 17, Fodd, Grass. N, 

 Ind. 29; Lisboa in Bomb. Journ. Nat. Hist. vi. (1891) 193. Mneeithea 

 Isevis, Kunth Revis. Gram. i. 154, Enum. PI. i. 466, Buppl. 375, t. 18, f. 3; 

 Thw. Enum. PI. Zeyl. 364; Wall. Cat. n. 8873; Wight Cat. n. 1722; 

 Aitchis. Cat. Panjab. PI. 172. Hemarthria ? perforata, Kunth I. c. 453, 

 Enum. i. 465. Diperium ojlindricum, Desv. Opusc. 76, t. 6, f. 3. Thyri- 

 dostachynm teve, Nees in Lindl. Introd. Nat. Syst. Ed. II. 379. .Slgilopa 

 cuneata. Herb. Boxb. 



Throughout India, from the Indus to Bcbma and southward to Cetlon.— 

 DisTBiB. Atfghan., Java. 



Stem 2-4 ft., rather slender, simple or branched above; nodes few. Leaves 

 6-30 by J in., flat (conduplicate in vernation), linear from a narrow base, glabrous 

 or base hairy, upper acute, lower obtuse, margins scabernlous ; sheath terete j ligule 

 very short. Spikes 4-8 in., shortly exserted, joints semi-cylindrio, excavate on 

 opposite sides with the pedicel of the imperfect spikelets between the opposite fertile 

 spikelets. Spikelets |-l in. ; gl. I oblique, smooth or pitted above the base. 



17. R. nxergruensls, Bbofc./. ; leaves J-J- in. broad, spikelets glabrons, 

 pedicelled spikelet minute imperfect. 



