2 20 ConVolvulaceCB. \_Ipomcecp, 



Perennial, stems very long, scandent, only slightly 

 twining, often rooting at lower nodes, angular, slightly 

 pubescent ; 1. rather small, 2-2\ in., oblong-ovate, slightly 

 cordate at base, shortly acuminate, apiculate, finely hairy 

 above and on the veins beneath, veins conspicuous, usually 

 purplish, petiole |-2 in,, pubescent, thickened and prehensile 

 at base ; fl. rather large, on long glabrous ped., cymes 

 branched, many - flowered, rather lax, bracts caducous^ 

 peduncle longer than petiole, glabrous ; sep. broadly oval,, 

 glabrous, whitish, outer ones strongly apiculate ; cor. tubular- 

 funnel-shaped, limb near 2 in. diam., lobes obvious ; capsule 

 \ in., globose, glabrous ; seeds with long spreading hair. 



Low country and up to 4000 ft. very common. Fl. white. 

 Throughout the Tropics of the Old World. 



[/. sidafolia, Choisy, is a Tropical American species, and has been for 

 many years a common weed in Peradeniya Gardens. It is given as a 

 Ceylon plant in DC. Prod. ix. 372. This is Cotivolvulus zeylaniciis,. 

 * Moon,' Wall. Cat. n. 1379 — a name never published elsewhere. There- 

 is a good figure in Bot. Reg., 1843, t. 24, under the name of/, cymosa?^ 



19. I. sepiaria, Koenig in Roxb. Hort. Beng. 14 (1814). Rasa-- 

 tel-kola, S. Tall, T. 



Coiivohmlus viaxinius, L. f. Suppl. PI. 137; Moon Cat. 13. Thw. 

 Enum. 212. C. P. 1937. 



Fl. B. Ind. 209. Wight, Ic. 838. 



Perennial, stems twining, slender, glabrous or rarely hairy; 

 1. 2-3J in., ovate or broadly ovate, widely cordate at base,, 

 shortly acuminate, obtuse or subacute, glabrous, petiole 

 i-2\ in.; fl. moderate-sized, on glabrous ped., thickened with 

 fruit, 4-8, rather crowded in umbellate or corymbose cymes,, 

 peduncle usually exceeding 1., stout ; sep. broadly oval, very 

 obtuse, with membranous margins ; cor. salver-shaped, tube 

 about I in., limb about \\ in. diam., lobes obvious, acute ;. 

 capsule i; in., ovoid, glabrous ; seeds grey with adpressed 

 silky pubescence. 



Var. /3, stipulacea, Clarke, I. c. Var. sagiitata, Thw. 1. c. C. P. 2859. 



L. usually smaller, angled or sagittate at base, narrower, 

 apiculate ; fl. smaller. 



Low country; common, especially in dry region. Fl. July, August;, 

 white or pale pinkish-purple with violet tube. 

 Throughout India and Malaya. 



20. Z. obscura, Kcr in Bot. Reg. t. 239 (1817). Tel-kola, S. 



Burm. 'I'hcs. 74. Com'ohulus obscurus, L. Sp. PI. ed. 2. Moon Cat. 

 13. Thw. Knum. 212. C. P. 1935. 

 Fl. B. Ind. iv. 207. Bot. Reg. t. 239. 



