jpomaa.'] ConvolvulacecB. 2 1 3 



The flowers are often of the most intensely brilHant deep azure blue. 

 The strongly purgative seeds are an official drug in the Indian Pharma- 

 copoeia, under the name of Kaladana. 



[/. Learii, Paxt, a now well-known garden plant, was first made 

 known to English florists by plants raised in Knight's Nursery in 1839 

 from seeds sent from Ceylon by J. G. Lear. It is not, however, a Ceylon 

 species, but probably from tempei^ate S. America (see Bot. Reg. 1841, 

 t. 56 and Bot. Mag. t. 3928).] 



3. X. dissecta, Willd. Phytog. 5 (1794). 



/. coptica. Roth., Thw. Enum. 212. C. P. 1928. 

 Fl. B. Ind. iv. 200. 



Annual, with a very short central stem and numerous 

 prostrate, slender wiry branches, 6-18 in. long, not twining ; 

 1. of the main stem \\~2. in., oblong-lanceolate, tapering to 

 base, acute, irregularly serrate, of the branches under i in., 

 very deeply 3-fid, the lat. segm. usually again pedately 

 divided, and the whole deeply irregularly and very acutely 

 serrate, petiole much shorter than 1,; fl. usually solitary, small, 

 on very short ped., bracts close beneath fl., large, pectinate 

 (like the upper 1,), peduncle longer than petiole ; sep. lanceo- 

 late, acuminate, glabrous but rough with prominences, apex 

 cuspidate, recurved ; cor. less than \ in. diam., ov. 3-celled ; 

 capsule ovoid-globose, \ in., 3- or 6-valved, glabrous ; seeds 

 usually 3, pubescent. 



Sandy places, especially on the coast in the dry region ; rather rare. 

 Trincomalie (Glenie); Jaffna; Mannar. Fl. Jan.-March ; creamy-white. 



Also in S. India, Trop. Africa, and Australia. 



4. *I. Bona-nox, L. Sp. PL 2, 228 (1762). Alang-a, Kalu- 

 alang-a, .S. 



Convolvulus orandiflorus^ Moon Cat. 13. Calonyction speciostait, 

 Chois., Thw. Enum. 211. C. P. 3648. 



Fl. B. Ind. iv. 197 (van grandiflord). Wight, Ic. t. 1361. Bot. Mag. 

 t. 752. 



Stems very long, twining, quite glabrous ; 1. large 4-7 in., 

 broadly ovate, deep cordate with broad rounded lobes at base, 

 acuminate, acute, entire, glabrous, thin, petiole nearly as long 

 as 1., cylindrical, glabrous, with 2 wart-like glandular swellings 

 at the summit (very conspicuous when young); fl. very large, 

 solitary or few, on short stout succulent ped., peduncle about 

 as long as petiole, stout, glabrous ; sep. nearly equal in length, 

 about \ in., glabrous, inner 2 very broad, outer 3 strongly 

 mucronate ; cor.-tube 3-3^- in., narrow, cylindrical, limb 

 4-5 in. diam.; stam. somewhat exserted ; capsule ovoid- 

 oblong, about I in., narrowed upward ; seeds glabrous. 



Low country; common, but chiefly near houses and gardens. Fl. 

 Jan.-April ; white. 



