493 



GENUS XI. LASIA. 



Tetrandvia Monoc^yiiia. Sex: Syst: 



Gen. Chae. Spathe elongated, opened, at length shut : spadix 

 sessile, shortened, cylindric, beset with hermaphrodite flowers : 

 stamens four opposite the four sepals : filaments linear, flattened : 

 anthers 2 -celled : ovary l-ovnled, ovules pendulous from the top of 

 the cell, campylotropal : stigma sessile, sub-truncate : berry muri- 

 cated, 1 -seeded : seed exalbuminous. — Herbs, almost stemless, erect 

 or decumbent, bristling all over with sharp prickles : leaves pin- 

 natifid : petioles sheathed at the base. 



(1) L. LoTJKEran. fSchott.J 



Idmt. Schott Meletem, I. 21. 



Syn. L. aculeata, Loiw. Coch. I. 103.: — Pothos Lasia, Roxb. 

 Aor. Ind. I. p. 458. 



Spec. Chae. Stemless : leaves long-petioled, petioles and scapes 

 armed with short curved prickles : scapes almost eq[ualling the leaf : 

 spathe very long, subulate, twisted. " - 



Circar mountains. Silhet. ^lowering in December. 



(2) L. HEIEEOPHYLIA. f Schott.J 



Ident. Schott 1. c. 



Syn. Pothos heterophylla, Roxb. I. c. p. 457. 



Engrwe. Wight 1. c. t. 777. 



Spec. Chae. Caulescent, creeping, armed : leaves from cordate- 

 sagittate to pumatifld : spathe' erect, spiral, many times longer than 

 the short cylindric spadix : florets tetra-petalous. 



Bengal. 



GENUS XII. TAPINOCAEPUS. 

 Tetrandria Monog'ynia, Sea: Syst: 



Gen. Chae. Spathe convolute at the base, limb narrow elon- 

 gated, acuminated, flat, spreading : spadix below interruptedly 

 androgynous, cylindric at the apex, slender, nearly equalling the 

 spathe : anthers distiact, sessile, cells cylindric parallel, much 

 larger than the connectivum, dehiscing by a pore at the apex : 

 ovaries, many, free, obconieal, verticelled around the base of the 

 spadix, biserial, 1 -celled : ovules in the cells 6, cords longish, spon- 

 giose, 2 — 3 basilar, erect, rest pendulous from the apex: stigma 

 sessile, depressed-hemispherical. 



