496 CLXvi. ahoidem. (J. D. Hooter.) [^Lagenandra. 



diam. ; carpels in many cycles, free, about J in. lanji;. Seeds several iu each carpel, 

 minxite, basal. 



2. Ii, Vhwaitesli, Engler Arac. 621 ; petiole longer or sliorter than 

 the oblong- or linear-lanceolate leaf, nerves diverging from the costa, spathe 

 slender convolute at length open, tube very much shorter than the limb. 



Cetlon, Tkteaiies. 



Sooistock branched. Leaves 4-6 by J-IJ in., base acnte or rounded ; petiole 

 2-6 in., rather slender, sheath short. Spathe li-2 in., mnch longer than the 

 pedmicle ; tube ovoid j appendage of spadix very short. Carpels in 8-9 cycles, 

 connate at the base. — A much smaller species than X. toaicaria. The specimens 

 are not very good. 



3. Zi. lancifolia, T/iw. Enum. 334 ; petiole about equalling the lan- 

 ceolate or ovate-lanceolate leaf, nerves diverging from the costa, spathe 

 oblong beaked rugose within, tube obconio half as long as the Umb. 

 Engler Arac. 622. Cryptocoryne lancifolia, Schott in Bonpland. 1857, 

 221 ; Prodr. Aroid. 15 {in part) ; Qen. t. 1. 



Cbtloit j or banks of streams, Thwaites. 



Leames 2—1 by f -1^ in. , dotted with white, sparsely above, densely beneath ; base 

 roimded or acute ; sheath of petiole short. Spathe 1-2 in., dark purple ; appendage 

 of spadix very short. Carpels 30-iO, in 5-6 cycles ; stigma conical. 



4. Zi. Koenig'ii, Thw. Enum. 334 ; leaves subsessile narrowly linear- 

 lanceolate acuminate, nerves at first parallel to the costa, peduncle long 

 slender, spathe-tube several times shorter than the subulate limb. Engler 

 Arac. 623; ani Ic. ined. No. 15. Cryptocoryne Kceaigii, Schott in Bonpland. 

 1859, 81 ; Prodr. 16. 



Cbtlon ; in the Singhe-rajah forest, Thwaites. 



Leaves 1-2 ft. by J— | in., dotted with white beneath ; costa stout below evanescent 

 above ; petiole reduced to a short sheath. Spathe 3-3^ in. long ; peduncle 2-8 in. 

 Appetidageof s^adir clavate. Oar^eZs about 30, iu many cycles, 1-ovuled. Berries 

 smooth. Seed, deeply grooved. 



5. Ii. insigrnis, Trim. Oat. PI. Ceyl. 97 ; in Journ. Bot. i. (1885) 

 269 ; petiole as long as the ovate-lanceolate or oblong aoumiuate leaf, 

 nerves very many and slender scurfily papillose divergent from the very 

 stout costa, spathe very large, tube infundibular, limb very broad ex- 

 panded abruptly caudate. 



Ceylon ; Pasdun Korle, Trimen. 



Leaves 12 by 3-4 in., closely dotted beneath. Spathe stoutly peduncled, tube 

 li-2 in.; limb 4^6 in. broad, drooping, crisped and undulate, membranous, purple with 

 white veins (like an Aristema). 



3. PZSTXA, Linn. 



A floating, gregarious, stemless, stoloniferous herb. Leaves sessile, 

 obovate-ouneate, together forming an erect cup. Spathe small, shortly 

 peduncled, tubular below, open above. Spadix adnata to back of the tube 

 of the spathe, free above. Male infl. of few sessile connate stamens beneath 

 the apex of the spadix, slits vertical, with a ring of confluent minute 

 neuters below them. Fern. infl. a solitary couico-ovoid 1-ceUed ovary ; style 

 conical, stigma discoid ; ovules many, orthotropous, basd or subparietal. 

 Fruit membranous, few^seeded. Seeds oblong or obovold, albuminous, 

 testa at length rugose; embryo minute, apical, cuneiform. 



