LEERSIA. 3 
Habitu magis elata; folia tactu scaberrima, nervo medio sub- 
tus retrorsi denticulata. 
In aquosis proveniens inter Nunklow et Nowgona in colli- 
bus Khasiensibus, Nov. 18, 1835. It. Ass. 275. 
Leersia aristata.* Roxb. Fl. Ind. Pl. CXL. Zizania? 
aristata Kunth Agr. p. 10. 
Gramen in aquis stagnantibus natans. Culmis glabris, læ- 
vibus, emersis viz pedalibus, articulis cylindraceis pubes- 
* Poramocutoa Бетти. Griff. 
Zizanta? ARISTATA. Kunth Agr. p. 10. 
Leersia ARISTATA. Roxb. Flor. Ind. 2. p. 207. 
Pnuanus aRISTATUS. Retz. Obs. 5, 23, ex Kunth. 
H aquis stagnantibus prope Jumalpore, et copiosissime in inun- 
datis, Theels dietis, Sylhet confinibus. Legimus florentem Septembre, 1835. 
Culmi emersi vix pedales =. Immersi longissimi, һїпсе illine 
radiculas capillaceo- divisas vm 
Vagina immerse vel semi-immerse quam maxime cellulose, incrassatz 
et quasi inflate ; emerse ongles cylindraces, minus cellulose 
Folia in exemplaribus spontaneis semper emersa et erecta, порна 
basi cordata, obtusa, apice ранне rigida, Pit tactu scabra, 
Panicula erecta, ахі ad ejus originem subito angustatà ; rami infimi 
subverticillati, divaricati, ee iores psi ечен 8. 
Spicule ramis adpresse, subsecunde, inferior itii inaequaliter 
аш superiores solitari ie "dme dicii 
edicelli robe infra Els constricti, ibidemque annulo rubro in- 
signiti, spicularum infimarum ti 
Palez Налага apicum pedice silo orum continue? vix compresse ; Zzte- 
rior major 5-venia, venis denticulato-ciliatis, czeterum Hes hirta; aris- 
ta continua, recta, scabra, paleam excedens; interior mutica, acuminata, 
3-venia, ани pa польс ан, venis lateralibus levibus, pallidis, 
Lodicule 2. M ure: magne, extrorsum e et car- 
nose, introrsum sub-membranacez, glabre vel apice tæ 
ina 6. Filamenta lange exserta- Antheræ жайла longz. 
Ovarium oblongum, glabru 
Stigmata ratione stylorum онаа 
Caryopsis поп visa ; stipitat 
It is this genus that eee k me allied to Zizania. It differs, I 
conceive, materially from the preceding in habit, in the shape and consis- 
tence of the paleæ, which are open during a + of inflorescence, 
and in the outer one being awned. Op. Cit. 
