158 cr.xxiii. GRAMIN-E.E. (J. D. Hooker.) [Rotlloellia. 



ceous, elliptic-lanceolate, ciliolate; III ovate-oblongs, obtuse; IV hyaline, 3-Derved; 

 palea truncate, nerveless.- Pedicelleil spikelets 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, McLellandt 

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

 joints, gl. I narrowly oblong, margins smooth. 



15. &. Belferi, Hook,f. ; perennial, spikes solitary fragile snbsessile 

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

 joints, gl. 1 ovate obtuse narrowly winged above the middle, back and sides 

 smooth, 



Tenassebim, 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 



_11_. /».-_!_ • i 1 ." l__i». P .__ _1_ 1.1. 1_1 ..-■ l-k^>k»/-I/^il Hl 



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

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

 shortly hairy, Spikelets ^ in. ; gl. I broadly ovate, narrowed suddenly above tbe 

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



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



III broadly ovate, obtuse, hyaline, faintly 3-nerved, palea small 2-toothed ; 1' 

 ovate, obtuse or subacute ; palea broad, truncate, 2-nerved. Fedicel of upper spikewt 

 longer than the joint, linear, flattened, strongly 2-nerved, ciliolate at tbe ba*e; 

 flpikelet reduced to a minute ovate glume, 



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

 spike. 



Sect. v. Mnesithea, Kunth (genns). 



16. a. perforata, Boxh. PL Corom. ii. 43, t. 182, Fl Ind.i.^^^i 



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

 minute gl. R. Isevis, Retz. Obs. iii. 11 ; Steud. Syn. Gram. 36ii. Ophinnis 

 perforatns, Trin. in Mem. Acad. Petersb. Ser. 6, ii. (1833) 246 ; Sac^- 

 Monogr. Androp. 319. 0. liBvis, Benth. in Journ. Linn. Soc. xix. (1881) ^-^ 

 Trim. Gat. Ceyl. PL 107; Duthie Grass. N.W. Ind. 17, Fodd. Grass. J!^- 

 Ind. 29; LUboa in Bomb. Journ. Nat. ffist. vi. (1891) 193. Mnesithea 

 la3vis, Kunth Revis. Gram. i. 154, Enum. PL i. 466, SuppL 375, t. 18, i- ^' 

 T/iiv. Enum. PL ZeyL 364; Wall. Cat n. 8873; Wight Cat. n. \T£-'\ 

 Aitchis.^ Cat. Panjab. PL 172. Hemarthria? perforata, Xunth Lc.4W' 

 Enum. i. 465. Diperium cvlindricum, Desv. Opusc. 76, t. 6, f. 3. Tpy ' 

 dostachyum \veve, Nees in UndL Introd. Nat. Syst. Ed. II. 379. ^gil^P* 

 cnneata, Herb. Boxb. 



Throughout India, from the Indus to Buema and southward to CETtoN.-* 



DiSTRiB. Atfghan., Java. 



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

 fi-^0 by ^ in., flat (conduplicate in vernation), linear from a narrow base, 8^*?^^ 

 or base hairy, upper acute, lower obtuse, margins scaberulous ; sheath terete ; 1<?" 

 very short. Spikes 4-8 in., shortly exscrted, joints semi-cylindric, ^*?*^'*^t.jjg 

 opposite sides with the pedicel of the imperfect spikflets between the opposite ler^ 

 spikelets. Spikelets \~\ in. ; gl. I oblique, smooth or pitted above the base. 



^ - 



17. a.mergruensls,ffooA:./.; leaves i-^ in. broad, spikelets glabroof 



pedicelled spikelet minute imperfect. 



Uar^^ 



._ tr- 



-V 



... ._^ 



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