Fonum\ LXXVII. CONYOLVULACE.E 487 



or 3 much enlarged, scarious and prominently nerved in fruit. Ovary 2-celledj 

 capbule membranous, indehiscent or 2-vaived, 1-seeded. Seed glabrous, coty- 

 ledons plaited. Species 12. Tropical Africa; India, Malay Archipelago, China, 

 j:a.us ui ana. 



A.. Fi. small, \~\ in. lono*. 



1. P. paniculata, Roxb. Cor. PL t. 235 ; Branclis P. M. 342. Bel Kami^ 

 Safcd Bcl^ Hind. 



Branches, underside of 1., panicle and ])racts softly grey- or brown-pubescent. 

 L. cordate, acuminate, blade 2-5, petiole l-l in. long. M. white, numerous, 

 in large axillary and terminal drooping panicles. Three sepals greatly enlarged 

 in fruit, |-1 in. long, pubescent, reticulate. 



Siibliimalayan tract from the Jumna ea^tward^, ahCPiiiIiug to 4,500 ft. Assam. 

 Ivhabi and Naga hills. Bebar. Central Provincps. Upper Burma. PI. Oct.-Peb., 

 cover inir tlit^ crowns of tall Ireet. with a mass of white blofc.-,omb. — Malay Archipelago. 

 2. P. volubilis, Burm. 5 AVight III t. 168 (bis), lig. S : le. t. 347. Lower Burma (doubtful). 

 Malay Penins. and Arcliip. Branclilpts and 1. glabrous, fi. white, X3aniclps large, 

 terminal, minutely pubescent, all bOpaL enlarged in fr., spathulate, ^4 in. long. 



Tlie following 8 berbaceous climbers, with all sepals enlarged in fr., may be men- 

 tioned : 8, P. malabarica, Clarke. Higher Ghats of Sattara. Bababudan hills. Pruit- 

 ing sepals elliptic, ^-i in. long. L B, racemosa, Eoxb. ; Wight Ic. t. 1376. Outer 

 Himalaya a>ceniling to 4,500 tt., from Ivumaon eastwards. Xhasi hills. Manijjur. 

 Burma, Upper and Lower. Pr. bepals oblong-bpatbulate, \ in. long. 5. P. truncata, 

 Kurz. Ivhasi hills. Pr, sepals narrowed to both ends 3 in. Ifmg. 



B. PL large. 



6. P. grandiflora, "Wall. Kepal. Sikkim 4-7,000 ft. L. when young villous beneath, 

 cordate, blade 3-5, pet. 2-4 in. long. Eacemes 4-12-iid., peduncles 3-6 in. long, corolla 

 mauYe, tube narrow cylindrical, limb funnel-sliaped, nearly entire, 1^ in. across. 

 Sepals in fr. oblong 5-nerved, the 3 larger 1|, the smaller 1 in. long. 7. P. specta"bilis, 

 Kurz. Naga and Lushai hills. Upper Burma. Evergreen forests east of the Sitang 

 river. Andamans. China. A large climbing shrub, tawny tomentose, 1. ovate from 

 a cordate base, velvety on both sides, petiole short. PI. white in long axillary racemes, 

 corolla funnel-shapocL 1^ in. long. Three sepals enlarged in fr. tomentose, prominently 

 veined, 2-3 in. long, tlie others minute. 8. P. stenoloba, Kurz, Sikkim 5-6,000 ft. 

 Herbaceous, all sej^als enlarged in fr., linear, three 1 in. long, the others smaller. 



(). IPOMCEA,Lim). ; PL Brit. Iiicl. iv. 190. 



Herbs, rarely twining shriibSj 1. usually entire. FI. in some species 

 opening at nighty purple, white or yellow, in axillary racemes, corymbs or 

 panicles. Corolla campaniilate or funnel-shaped, limb plaited, very shortly 

 lobed. Stamens imeqnal, filaments as a rule hairy at base, anthers oblong 

 often twisted. Ovary usually 2-Gelled 4-ovuled, disk annular, style filiform, 

 stigma entire or 2-globose. Capsule 3-^-valved. Species 300, warmer regions 

 of both hemispheres. Of the 64 species known fi'om British India, a few only 

 of the more common kinds can here be mentioned. 



I. L. entire or nearly so. 



A. Corolla lai^ge, salver-shaped, tube slender {CalonyctioHj Ohoisy). 



1. I. glaTaerrima, Bojer; Prain in Journ, As. Soc. Beng. 63. 102.— Syn. I. grmuViflora^ 

 Clarke (not Lam. fide Prain), FL Brit. Ind. iv. 198. Seashores of India and Burma. 

 A large twining shrub, stems muricate, 1. cordate, blade 3-6 in. diam,, pet. 2-5 in. long. 

 PL white, 1-3 on peduncles 1-4 in,, bepals elliptic, obtuse, |-1 in. long, corolla-tube 

 slender, straight, 2-3 in. long, limb 3 in. across, anthers included, seeds villous with 

 shaggy margins. 2. I. bona-nox, Linn. The Moon-Jiowei\ Probably American, 

 cultivated and ru.n wild in India. Similar to 1, PI. pure white, fragrant, opening 

 after dark and fading early next morning, sepals long-cuspidate, anthers exserbed, seeds 

 glabrous. 



B. Corolla large, campanulate or funnel-shaped, 1| in. and longer, 

 (a) Pedicels not thickened below the fl. 



8. L carapaETilata, Linn.; Wight lo. t. 1375. Western Peninsula. Burma, Upper 

 and Lower. Malay Peninsula and Archip. Ceylon. A large twiner, resembling 



