Jpojncea.'] ConvolvillaceCB. 221 



Stems very long and slender, twining, glabrous or with a 

 few patent hairs, purple ; 1. 2-3 in., deeply cordate-ovate, 

 acuminate, subacute, apiculate, glabrous or finely ciliate, thin, 

 petiole \\-2 in., glabrous or pubescent ; fl. rather small, on 

 stout glabrous or pubescent ped. about \ in. long, solitary or 

 2, peduncle i^-if in., bracts very small, sep. nearly equal, 

 ovate, shortly cuspidate ; cor.-tube f in., cylindrical, rather 

 wide, limb i in. diam. ; capsule f in,, ovate-ovoid, tipped with 

 style, on thickened deflexed ped.; seeds ovoid, dark brown, 

 densely velvety. 



Low country in both dry and moist regions; common. Hantane; 

 Dambulla ; Anuradhapura ; Colombo ; Peradeniya. Fl. July-August ; 

 yellowish-white, with a small purple eye. 



Throughout Tropics of Asia and Africa. 



/. Gle?tiei, ' Thwaites in litt.,' described in Fl. B. Ind. iv. 208 from a 

 scrap in Herb. Kew, which flowered at Kew in 1871 and is said to have 

 been raised from seed sent by Thwaites, is not determinable. It is 

 thought by Dr. Stapf to be an abnormal form of /. sepiaria or /, obscura. 



21. I. campanulata, Z. Sp. PL 160 (1753). 



Thw. Enum. 211. C. P. 2847. 



Fl. B. Ind. iv. 211. Wight, Ic. t. 1375. 



Stems stout, widely twining, glabrous, younger ones finely 

 pubescent ; 1. 3|— 4^ in., broadly ovate, more or less cordate at 

 base, acuminate, apiculate, glabrous or very finely pubescent 

 on both sides, lat. veins numerous, conspicuous, petiole 

 i;|-3 in.; fl. very large, on stout, glabrous ped., 2-5, peduncle 

 shorter than petiole, bracts inconspicuous, deciduous ; sep. 

 nearly \ in., oval-rotundate, very obtuse, glabrous or finely 

 pubescent, rather succulent ; cor. 3 in. long, broadly tubular- 

 campanulate, limb about 3^ in. diam., lobes usually con- 

 spicuous ; capsule \ in., globose, glabrous, enclosed in en- 

 larged Sep., seeds (not seen ripe) ' with long silky hair.' 



Low country; rather rare. Hantane; Galle; Haragama. Fl. Dec- 

 Feb.; pale violet-mauve, dark purple in tube. 



Also in S. India and Malaya. 



Very like the common Argyreia tilicefolia, but with still more hand- 

 some flowers. 



22. X. aquatica, Forsk. Fl. A£gypt.-Arab. 44 ('1775). Kankun, S. 



I. reptans, Poir., Moon Cat. 14. Thw. Enum. 211. C. P. 3535. 

 Fl. B. Ind. iv. 210. Rheede, Hort. Malab. xi. t. 52. 



Annual or biennial, stems long, prostrate, creeping or 

 floating, rooting at the nodes, thick, hollow, quite glabrous ; 

 1. 2-3 in., ovate-oblong, the base usually dilated and hastate 

 with rounded or acute lobes, glabrous, paler beneath, petiole 

 as long as or longer than 1.; fl. rather large, on long glabrous 



