528 FLORA OF MADRAS. [Trick- santhes. 



Leaves simple ; tendrils simple or bifid ; seeds compressed, with a 

 broad membranous wing ; scandent shrubs 15. Zanonia. 



. Trichosanthes, Linn. 



Herbaceous climbers. Leaves entire or palraately lobed rarely 

 pinnate, denticulate ; tendrils simple or 2-5-fid. Flowers dioecious, 

 rarely monoecious, white ; <$ usually racemose, bracteolate ; ? 

 solitary. Calyx-tube long, cylindric, dilated above ; lobes 5, 

 entire serrate or laciniate. Petals 5, connate at the base, margins 

 long-fimbriate. Stamens 3, inserted in the calyx-tube ; filaments 

 very short; anthers connate, 2 2-celled, the third l-celled,the cells 

 conduplicate ; in J flowers staminodes 0. Ovary inferior, ovoid 

 or fusiform, 1-celled with 3 parietal placentas ; ovules very many, 

 usually horizontal; style slender; stigmas 3, entire or bifid; 

 in $ flowers pistillodes 0. Fruit a glabrous ovoid or fusiform 

 indehiscent berry, usually smooth. Seeds many, embedded in 

 pulp, ellipsoid or angular. 



Female flowers without or with very small bracts : 



Leaves entire, cordate, distantly denticulate, prominently reticu- 

 late . 



Male racemes few-flowered, straight ; calyx-teeth short, lanceolate 



1. nervifolia. 

 Male racemes many -flowered, geniculate; calyx-teeth elongate, 



subulate 2. cuspidata. 



Leaves lobed : 



Male racemes without bracts ; leaves deeply and usually acutely 

 lobed, denticulate, the end teeth subulate ; fruit ovoid-fusiform, 



short 3. cucumerina. 



Male racemes with very small bracts : 



Pedicels much shorter than the flowers ; lobes of the leaves 

 rounded, very faintly denticulate ; fruit very long, narrow, 



twisted 'anguina. 



Pedicels longer than the flowers : 



Leaves glabrous on both sides, 3-lobed, with distant subulate 



teeth ; petals rather shortly fimbriate 4. Perrottetiana. 



Leaves densely villous beneath, 5-7-lobed, with shallow 

 sinuses and subulate teeth ; petals long-fimbriate, the 



inflorescence and petiole very villous 5. mllosula. 



Male racemes with large bracts, the bracts broad, laciniate := 

 Calyx-lobes shortly dentate ; leaves very variable, usually 

 scabrous and often deeply lobed , 6. palmata. 



