hgh a eg AE 2 NE ag NT en Sap TN BES, STM pee Seth ary. ES etl eee aOR col Dh ta Pig. Cx oar ee ae ne 
ee a i a 
Mnesithea.] GRAMINE#. 1193 
In most of the provinces. 
A short, erect grass, 6-10 feet oo with thick, spongy 
stems below. Beng. Bara-sw 
1072. Yossia Wall. & Griff. 
A gigantic floating grass; stems thick, spongy; leaves linear, 
Baiinions Spikes terminal, solitary or 2-nate, rarely 3-6-nate, 
stout; rachis narrow, compressed, flexuous, jointed; spikelets 
2-flowered, imbricate 2- nate, longer than the subexcavate joints, 
one sessile, with a very broad callus, the other smaller, pedicelled. 
Glumes 4; I. very broad, ovate, flattened, coriaceous, smooth, 
natrowed into a long, rigid green tail; II. papery, ovate-lanceo- 
late, acute, 3-nerved, keeled above ; III. hyaline, 2-nerved, paleate, 
male; IV. hyaline, oblong, 3-nerved, tip ciliate, palea 2-nerved ; 
Daisies large, toothed ; stamens 3; anthers long; styles distinct; 
stigmas short. Grain narrow, free. 
2596. Vossta cusprpara Griff. V. peers F. B.... vit. 161, 
Ischemum cuspidatum F. I. i. 
heels. 
A gigantic floating grass. 
1073. Mnesithea Kunth. 
A slender, erect, perennial grass; leaves narrow. Spikes soli- 
tary, slender ; rachis articulate, fragile; internodes terete, ribbed, 
all except a few upper with 2 equal and similar spikelets, sunk in 
ts aa oblong cavities, separated by a hyaline, often evanes- 
septum, and with sometimes a minute glume of a third 
pace on the upper margin of the inte SS ; sessile spikelets 
‘Howered, nearly as long as internodes. Glumes 4; I. closing the 
mouth of the cavity, obliquely ee ene, ‘thioiy ine coriaceous, 
Smooth, margins narrowly in eek, II. as long as L., 
curv 
oblong, obtuse, hyaline, III. slates or ok empty; IV. rather 
smaller, oblong, obtuse, 2-sexual, palea shorter than the glume ; 
lodicules 0; stamens 3; anthers linear; ovary minute; styles 
and stigmas very small, not exserted. Upper spikelet seen only 
in the upper, 1-flowered internodes; pedicel confluent with the 
walls of the internode, its margins ‘wit th 2 ribs; glume I. very 
minute, orbicular : broadly ovate, flat, green; II. very narrow 
°r0. Grain narrowly oblong, compressed. 
2597, Mnesrruea tavis Kunth. Rottboellia perforata F. I. 
i. 356; B. I. vii. 158 
