Trapa, tetuandria monogynia. 449 



A native of such places as the last described, it is considerably 

 smaller than that species, but more branchy. 



Stems VIS in A. pcittandra. — J. eaves opposite, sessile, wedge-fjrm- 

 ed, smooll), entire. — Flowers axillary, solitary, sessile. 



TRAP A. Schreb. Gen. N. 208. 

 Ca/y.r four-parted, or f()ur-leave<i. Corol fonr-peta1ed. Genn 

 inferior, two-celled ; cells from one to two-seeded, attachment ofthe 

 ovuliim superior. Nut turbinate, armed with tvvo or four horns, 

 (which were the leaflets of the calyx.) Embryo sim;jle, lodged m 

 the apex of the ample perisperra. 



1 . T. bicornis. 



Nuts with two, opposite, recurved, very obtuse horns. 

 Chin. Lin-ko. 



A native of China, where it is carefully cultivated in lakes, ponds 

 and other receptacles of water. 



2 T. lispinosa, R. 



Nut with two opposite, straight, barbed, spinous horns. Nectary 

 cup-shaped, curled. 



S/uin-yata, Aiiat. Res. vol. iii. p. 253. 



Sans. 35i-i3-;, Srz.igatcf, sj^cjj^jiiiit, Jid<dv?Mt«ka. 



Beifg. Panee-phul. Singharu. 



Panover-tsjerana, Rheed. Hort. Mai. vol. xi. p. G4 t.23. (evi- 

 dently intended for this plant, and not T. natans) 



Found floating on sweet, standing water in Bengal and many 

 other parts of India. Flowering time the rainy season. 



Root consisting of numerous, simple, capillary fibres which is-i'te 

 from the under margins of the cicatrices ofthe fallen leaves — Stems 

 stoloniferous, often several feet long, floating — /ertre^ petiolecl, al- 

 ternate, approximate round the apex of the shoots, ot a ihomb )iual- 

 reniform shape; with the posterior n)argins entire, and the anterior 

 ones serrate-dentate, smooth above, of a deep green, villous and pur- 



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