240 LXXXVin. COXVOLYULACE.f:. 



smaller, i in. long, ovate, acute, the 2 inner sepals still smaller, glabrous 

 or with a few scattered hairs on the back, membranous. Corolla 1 in. 

 long, infundibuliform. Capsules -^^ in. long, ovoid, papery, (juite 

 glabrous. Seeds glabrous, shining. Tpomoaa pentaphi/lla, Jacq. Coll. 

 V. 2 (1788) p. 297; Icon. Ear. t. 319; F\. B. I. v. 4, p. 202; Woodr. 

 in Journ. Bomb. Nat. v. 11 (1898) p. 171. Ipomcea {ei/>/j>tia, Linn. Sp. 

 PI. (1753) p. 1G2. Batatas perdaj^liylla, Choisy, Convolv. Orient, in 

 Mem. Soc. Phys. Genev. v. 6 (1834) p. 43G ; Grab. Cat. p. 129 ; Dalz. 

 & Gibs, p. 1G7 ; Aitch. Pb. & Sind PL p. 100.— Flowers : Sept.-Oct. 



The plant varies much in hairiness ; iii cultivation the leaves and 

 calyces often become nearly glabrous. To be consistent, Hallier should 

 have adopted the oldest specific name, mjujjtia which is due to Linnaeus 

 and dates from 1753. 



Dalzell in Herb. Kew. without locality ! Konkan : Malabar Hill (Bombny), Graham. 

 Gujarat: Pal jungles, Woodrotv; Deesa, Stocks]; Baroda, Woodrow; Domas near 

 Surat, Cookel — Disteib. India (W. Peninsula); Africa, Tropical America, Polynesia; 

 often cultivated. 



Merremia dissecta, Hallier f. in Engl. Bot. Jahrb. v. 16 (1893) 

 p. 552. A native of Tropical America and the W. Indian islands 

 introduced into the Bombay Presidency by Nimmo (Jide Graham) and 

 now becoming naturalized. It has twining usually hirsute stems, 

 palmately 7-partite usually glabrous leaves with lanceolate acute lobes 

 which are again lobulate, subpinnatiHd or toothed. The corolla is 

 cainpanulate, white or pinkish-white, with a purple throat and strongly 

 lineate bands. Ijwmcea dissecta, Pers. in L. Syst. ed. 15 (1797) p. 207 

 in note (not of Willd.). Ijwma-a sinuata, Ortega, Decad. vii. p. 84; 

 C. B. Clarke, in Hook. f. Fl. B. I. v. 4, p. 214; Choisy, in DC. 

 Prodr. V. 9, p. 362 ; Grab. Cat. p. 132 ; Dalz. & Gibs. Suppl. p. 59 ; 

 "Woodr. in Journ. Bomb. Nat. v. 12 (1898) p. 172.— Flowers : Nov. 



13. OPERCULINA, Silva Manso. 



Large climbing herbs; stems winged. Leaves entire or lobed. 

 Flowers large, axillary, solitary or in few-flowered cymes. Sepals 5, 

 large, glabrous, increasing and thickening in fruit, at length splitting 

 irregularly from the tip. Corolla infundibuliform, rarely campaniilate ; 

 tube with 5 vertical smooth bands. Stamens 5; filaments filiform; 

 anthers large, at length contorted ; pollen not echinulate. Ovary 2- 

 celk'd, glabrous ; ovules 4 ; style filiform ; stigma 2-globose. Capsule 

 valveless, the epicarp circumscissile above the middle, tiie cap carrying 

 away the style ; endocarp at length irregularly rupturing. Seeds often 

 solitary, black, glabrous. — Distiiib. Most tropical regions ; species 

 about 10. 



1 . Operculina Turpethum, Silva Manso, Eunni. Sulist. Braz. (1836) 

 pp. 16 & 49 {ti(rjyct)())i). Perennial with milky juice; root long, 

 slender, fleshy, much-branched; stems very long, twining and much 

 twisted together, angled and winged, pubescent, toiigli and brown when 

 old. Leaves 2-4 bj^ |--| i"-* ovate or oblong, rarely slightly lobulate, 

 subacute, mucronate, more or less pubescent on both sides especially 



