2l8 ConVolvulaceCB. \IpomcBa. 



fl. solitary or 2, on thick glabrous ped., peduncle about as 

 long as 1., slender, stiff, divaricate; sep. lanceolate, acuminate, 

 acute, glabrous, points recurved ; cor. funnel-shaped, about 

 I in. diam., shallovvly lobed ; capsule \ in., depressed-globose, 

 surrounded by slightly enlarged sep., seeds glabrous. 



Open places in the low country; common. FI. May, June; pale 

 creamy yellow, red inside base of tube. 



Throughout the Tropics of the Old World. 



This is used in native medicine. Convolviihis Medium, L., is some- 

 what obscure, but is probably this. Linn, quotes for it doubtfully Fl. Zeyl. 

 n. 475 (among the ' Barbaras '). 



14. Z. tridentata, Roth., Catal. Bot. ii. 19 (1800). Kawari 

 madu, S. Mudiyakuntal, T. 



Herm. Mus. 39. Convolvuh/s tf'ide?itaiiis, L., Moon Cat. 13. Thw. 

 Enum. 211. C. P. 1929. 



Fl. B. Ind. iv. 203. Burm. Fl. Ind. t. 16, f. 3. 



Perennial with a small woody rootstock, stems numerous, 

 prostrate, not twining, long, wiry, angular, glabrous ; 1. 

 numerous, on very short petioles, small, under | in., obovate- 

 oblong, narrowed near base but there dilated into toothed 

 auricles, rounded or truncate and mucronate at apex, often 

 also acute and mucronate on each side so as to be 3-toothed, 

 glabrous ; fl. small, on slender curved ped., usually solitary, 

 bracts minute, peduncle longer than 1., very slender ; sep. 

 oval, acute, glabrous ; cor. under h, in. diam.; capsule \ in., 

 globose ; seeds glabrous. 



Sandy ground in the low country, especially in the dry region ; very 

 common. Fl. March. 



Also in Peninsular India and Burma. 



There is no specimen in Hermann's Herb. He gives as the S. name 

 'Apas' and ' Apathutetha.' 



15. Z. reniformis, Choisy, Conv. Ortcni. 64 (1833). 

 Thw. Enum. 211. C. P. 3597. 



Fl. B. Ind. iv. 206. Burm. Fl. Ind. t. 30, f. i {Evolvulus emarguiaitts). 



Perennial (?), stems numerous, creeping and rooting at 

 nodes, not twining, filiform with scattered long hair; 1. 

 numerous, small, under I in., reniform-ovate, obtuse, crenate, 

 glabrous on both sides, petiole about as long as 1., iiairy ; 

 fl. very small, nearly sessile, solitary or 2 or 3 together, bracts 

 linear, very small, hairy, peduncle extremely short ; sep. 

 glabrous but very strongly ciliate, 2 outer ovate, mucronate, 

 3 inner longer, deeply divided into two truncate divaricate 

 lobes ; cor. \-\ in. diam., lobes acute, capsule \ in., globose, 

 smooth, surrounded by enlarged ciliate sep.; seeds glabrous. 



