139. GRAMINE.E. [35. Hygrorhiza. 



short branch at the base of raceme. Pedicels •2". Gl. i and ii minute 

 or ; iii oblong scarcely cymbiform, the keel and two lateral ridges 

 rounded or obscure ; both glume and its palea granulate (not regularly 

 or so mir utely punctate as in sativa), tip rather horny but no sign of 

 an awn. 



Along- rivers in junsfles Rajmahal Hills (Sant. Parg.) Knrzl Hazaribagii 

 (Parasnath), elev. 2000-2500 ft. Clarke ! Fl. Oct.-Nov. 



34. LEERSIA, Sic. 



Slender marsh grasses with narrow flat leaves and spikelets in 

 slender contracted usually nodding panicles, very similar to those of 

 Oryza but glumes i and ii entirely suppressed. Glume iii strongly 

 laterally compressed, oblong, 3-5-ribbed, thinly coriaceous, awnless, 

 keel and margins spinulosely ciliate ; palea (glume of some authors) 

 similar in texture but more slender, as long, laterally compressed, 

 3-nerved. Lodicules 2. Stamens 6-3 (rarely fewer). Grain oblong 

 free within the glume and palea. 



1. L. hexandra, Sw. 



A slender grass 2-3 ft. high from a rooting geniculate base, nodes 

 hairy. Sheaths and leaves striate very scabrid, blade 3-12" by -25- 

 •3", narrowed at base, acuminate, ligule truncate. Panicle 2-4" long 

 with slender distant branches -5-3" long, often again branched, 

 flexuous. Tip of pedicel not much dilated. Spikelets -13- -15" long, 

 green. Gl. iii 5-ribbed (including the marginal) cymbiform with a 

 short obtuse cusp ; palea much more slender 3-nerved, keel bristly. 

 Stamens 3 or 6 in the same inflorescence. 



Jheels and marshes. Pnrneab. Kurz\ Ranchi, U'oodl Maubhvim, frequent, 

 Camp. ! Hazaribagh, Cal. Herb ! FL, Fr. Oct. -Dec. 



35. HYGRORHIZA, Xees. 



A floating aquatic with short broad leaves and few lanceolate 

 1-fld. spikelets articulate on their pedicels on the spreading branches 

 of a short broad panicle. Pedicels short or rather long Avith annulate 

 tips. Glume solitary (involucral glumes suppressed), membranous, 

 5-nerved, narrowed into a long awn, keel and nerves ciliate ; palea 

 acuminate 3-nerved, keel scabrid. Lodicules gibbous. Stamens 6, 

 anthers very long. Styles short free, stigmas laterally exserted. 

 Grain narrowly oblong, free within the unhardened glumes. 



1. H. aristata, Nees. 



Stems floating with whorled feathery green roots from the nodes. 

 Leaves ovate, ovate-lanceolate or oblong, -7-3" long by -b--!" broad, 

 rounded more rarely acute, base rounded or cordate, usually shortly 

 petioled, sheaths much inflated sometimes pubescent, mouth auricled, 

 ligule 0. Panicle 2-3" with few spreading branches, lower whorled 

 often deflexed. Spikelets -3" (without the awn which is •3--4") ; 

 palea •25--3" subaristate-acuminate with white margins. Pedicels 

 articulate far below the tip. 



Santal Parg., 3/oA(w ! Gyn,Mokim\ Ranchi, JFooi! Singbhum! Fl. Oct. 



1)81 



