454 XCVII. convolvulaceaj. [Neuropeltis. 
Distrib. South India, Borneo, Burma. Native names : Akar Oran 
Merah; Akar China putih. 
6 . EVOLVULUS, Linn. 
Little prostrate herbs with small distichous leaves. Flowers 
blue (or white) in axillary few-flowered cymes. Sepals not enlarged 
in fruit. Corolla small, rotate; limb plicate, entire. Stamens 
exsert. Ovary 2-celled; ovules 4; styles free from base, each 
bifid. Capsule globose, 4-valved. Seeds 4. Species 80, chiefly 
American, 1 cosmopolitan. 
(i) E. alsinoides Linn. Sp. .PL ed. 2, 392; Prain, l.c. 298. 
About 6 in. to 1 ft. long; branches wiry, prostrate. Leaves 
lanceolate (or ovate) silky (or tomentose), *25 to 1 in. long, *2 to 
•5 in. wide. Flowers 1 to 3; peduncles -i in. long. Sepals lan¬ 
ceolate, hairy. Corolla -25 in. across, azure blue. Capsule -15 in. 
through. Hab. Sandy sea shores, rather local. Singapore, Changi. 
Kelantan, Kwala Kelantan (Ridley). Distrib. Whole tropics. 
7. BONAMIA, Thouars. 
Twining shrub. Leaves large, cordate-ovate. Flowers medium¬ 
sized in axillary peduncled cymes. Sepals 5, ovate sub-equal. 
Corolla funnel-shaped outside, limb nearly entire, 5-lobed, plicate. 
Stamens included, 5. Ovary 2-celled; ovules 4; style bifid to 
middle; stigmas 2. Capsule ovoid or globose. Seeds 4, glabrous. 
Species 30, tropical. 
(1) B. semidigyna Hallier, Engl. Jahrb. xvi. 528; Prain, l.c. 
299. Breweria cordata Bl. Bijdr. 722. 
Large twiner, rusty-tomentose all over. Leaves 4 in. long, 
2*5 in. wide; petioles 1*5 in. long. Cymes capitate, 2- to 5-flowered; 
peduncle 1 to 2 in. long, villous. Sepals -5 in. long. Corolla pale 
yellow or pure white, 1*5 in. long. Capsule -5 in. long, splitting 
vertically, hardly covered by the accrescent sepals. Hab. Open 
country. Perak, Ipoh (Curtis). Province Wellesley, Kubang Ulu 
(Curtis). Penang (Porter and Curtis). Kelantan, Kota Bharu 
(Ridley). Distrib. Mascarenes and South-East Asia. 
8. CALYSTEGIA, R. Br. 
Prostrate and twining herbs. Leaves often lobed, glabrous. 
Flowers medium, axillary, solitary (or in cymes). Bracts 2 large 
leafy enveloping calyx. Sepals ovate or oblong. Corolla cam- 
panulate; limb plicate, nearly entire. Stamens included. Ovary 
i-celled; ovules 4; style entire, filiform; stigma of 2 oblong 
lobes. Capsule i-celled, 4-valved, 4-seeded. Seed black, glabrous. 
Species about 20, warm and temperate regions. 
(1) C. hederacea Wall, Cat. 1328; Prain, l.c. 299. 
Prostrate and twining. Leaves cordate or sagittate, 1 to 3 in. 
