CUCUKBITACE/E 



599 



Leaves simple, palmately five-lobed, and three- to five-nerved 

 hairy or downy on both surfaces, alternate, exstipulate. 



No. 1. Ovate, three- or incipiently five-lobed, five-nerved with 

 the middle pair of nerves arising at 

 some distance above the base. 



Nos. 2-5, inclusive. Palmately 

 five-lobed, trinerved with the nerves 

 of the lower lobes arising as branches 

 from above the base of the middle 

 . pair. 



FIG. 381. Trichosanthes cucumcrina. 

 Nat. size. 



FIG. 382. Trichosanthes palmala. 

 Nat. size. 



Trichosanthes palmata, lloxb. (fig. 382). 



Hypocotyl succulent, 3-4 cm. long, 2-3 mm. thick, channelled 

 above, round near the base, glabrous, whitish-green. 



Cotyledons sessile or subsessile with connate, decurrent petioles, 

 2-5-3 cm. long, 1-1-25 cm. wide, elliptic, obtuse, scabrous, margin 

 recurved, yellowish-green above, whitish below, rather persistent ; 

 nerves distinct and pinnate. 



Stem suberect at first, ultimately climbing, quadrangular or 



