496 CLXVI. aROIDEZ. (J. D. Hooker.) [ Lagenandra, 
diam. ; carpels in many cycles, free, about $ in. long. Seeds several in each carpel, 
minute, basal. 
2. L. Thwaitesii, Engler Arac. 621 ; petiole longer or shorter va 
the oblong- or linear-lanceolate leaf, nerves diverging from the conte Ki 
slender convolute at length open, tube very much shorter than the imo. 
CEYLON, Thwaites. ded; petiole 
Rootstock branched. Leaves 4-6 by 3-1} in., base acute or roun LM the 
2-6 in., rather slender, sheath short. Spathe 14-2 in., much longer. k ^ da 
peduncle; tube ovoid; appendage of spadix very short. Carpels Th De 
connate at the base.—À much smaller species than L. towicaria. The spec 
are not very good. 
3. L. lancifolia, Thw. Enum. 334; petiole about equalling the 
ceolate or ovate-lanceolate leaf, nerves diverging from the corn ate 
oblong beaked rugose within, tube obconic half as long as nd. 1857 
Engler Arac. 622. Cryptocoryne lancifolia, Schott m Bonpland. , 
221; Prodr. Aroid. 15 (in part); Gen. t. 1. 
CEYLON; or banks of streams, Thwaites. ; 
Leaves 2-4 by 2-11 in., dotted with white, sparsely above, densely beneath d 
rounded or acute ; sheath of petiole short. Spathe 1-2 in., dark purple ; appe 
of spadix very short. Carpe/s 30—40, in 5-6 cycles; stigma conical. 
4. L. Koenigii, Thw. Enum. 334; leaves subsessile narrowly ere 
lanceolate acuminate, nerves at first parallel to the costa, pedane ag 
slender, spathe-tube several times shorter than the subulate limh, npland. 
Arac. 623; and Ic. ined. No. 15. Cryptocoryne K«enigii, Schott in Bonp 
1859, 81; Prodr. 16. 
CEYLON ; in the Singhe-rajah forest, Thwaites. ent 
Leaves 1-2 ft. by 13 in. dotted with white beneath ; costa stout below ge in. 
above ; petiole reduced to a short sheath. Spathe 3-34 in. long; pedang Berries 
Appendage of spadirclavate. Carpels about 30, in many cycles, Lane: 
smooth. Seed deeply grooved. 
i, (1889) 
5. L. insignis, Tri». Cat. Pl. Ceyl. 97; im Journ. Bof. i Md 
269; petiole as long as the ovate-lanceolate or oblong e very 
nerves very many and slender scurfily papillose divergent from road et 
stout costa, spathe very large, tube infundibular, limb very 
panded abruptly candate. 
CEYLON ; Pasdun Korle, Trimen. ube 
Leaves 12 by 3-4 in., closely dotted beneath. Spathe stoutly peduncled, with 
. le wi 
1i-2 in. ; limb 4-6 in, broad, drooping, crisped and undulate, membranous, put 
white veins (like an Arisema). 
3. PISTIA, Linn. 
. sile, 
A floating, gregarious, stemless, stoloniferous herb. Teori, sho 
obovate-cuneate, together forming an erect cup. Spathe SÉ. "ue tabe 
peduncled, tubular below, open above. Spadiz adnate to back of ene 
of the spathe, free above. Male infl. of few sessile connate stamens minute 
the apex of the spadix, slits vertical, with a ring of confluent ~, tyle 
neuters below them. Fem. infl. a solitary conico-ovoid 1-celled over id . 
conical, stigma discoid; ovules many, orthotropous, basal or Tb Pinous, 
Fruit membranous, few-seeded. Seeds oblong or obovoid, albu 
testa at length rugose; embryo minute, apical, cuneiform. 
