299 
Flora of the Malayan Peninsula. 
Bonamia semidigyna, Hallier f. Engl. Bot.- Jahrb. XYI. 528. 
A large twining shrub; stems and leaves rusty-tomentose. Leaves 
ovate-cordate, entire, apex acute ; length 4 in., width 2-5 in. ; petiole 
1-5 in. long. Flowers medium, in axillary sub-capitate 2-5-flowered 
cymes ; peduncles 1 to 2 in. long, rusty- villous as are the pedicels and 
sepals ; bracts -25 in. long, oblong, rusty-villous. Sepals -35 to -5 in. 
long, ovate-oblong, sub-acute, sub-equal. Corolla yellowish, wide- 
infundibuliform, P5 in. long; tube hirsute externally; limb sub-entire. 
Style - 6 in. long. Capsule sub-globose, glabrous, - 5 in. in diam., split- 
ting into many vertical segments, hardly covered by the slightly 
accrescent, ovate fruiting sepals. Seeds sub-glabrous. Bull. Herb. 
Boiss. V. 1814. Convolvulus semidigynus, Roxb. Hort. Beng. 13 ; 
Plor. Ind. I. 468 ; Wall. Cat. 1405. Breiveria cordata, Bl. Bijdr. 722 ; 
Choisy in DC. Prod. IX. 438 ; Clarke in Hook. f. Elor. Brit. Ind. 
IV. 223. B. Boxburghii, Choisy Convolv. Or. III., and in DC. Prod. IX. 
438 ; Wight, Ic. 1. 1370 ; Dalz & Gibs. Bomb. El. 162. B. madagas- 
cariensis, Choisy Mem. Soc. Phys. Genev. 493. 
Pkov. Wellesley: at Kubang Ulu, Curtis! Penang: on the 
coast, Porter! Curtis 1703! Perak: Ipoh, Curtis 3166 !-— Distrib. 
S.E. Asia generally, Mascarenes. 
7. Calystegia, R. Br. 
Prostrate or twining perennial herbs. Leaves entire or lobed, 
glabrous or nearly so. Flowers medium, axillary solitary or rarely 
in few-flowered cymes ; bracts 2, large, leafy, embracing the calyx, 
persistent. Sepals 5, ovate or oblong, the innermost 2 rather the 
smallest. Corolla funnel-shaped or campanulate; tube glabrous ex- 
ternally with 5 bands in centre of component petals, each with 5 
pellucid lines at the base ; limb sub-entire plicate. Stamens 5, adnate 
to corolla-tube, included ; filaments sub-equal. Ovary 1-eelled or 
imperfectly 2-celled ; ovules 4 ; style filiform, entire ; stigma of 2 
oblong lobes. Fruit a globose, 1-celled, 4-valved, 4-seeded capsule. 
Seeds black, glabrous or verrucose. — Distrib. Species 16 to 20, in 
warm and temperate regions. 
Calystegia hederacea Wall. Cat. 1328. A prostrate or climbing 
weed of cultivated places and hedges. Leaves somewhat irregular, 
cordate or sagittate, lobed or rarely entire, 1 to 3 in. long, '75 to 1 in. 
wide ; petiole 1 in. long. Flowers axillary solitary ; peduncles 1 in. 
long; bracts 2 ovate, -3 in. across, persistent, enclosing the calyx. 
Sepals 5, oblong, obtuse, glabrous, outer -3 in. long, inner rather 
smaller. Corolla sub-campanulate, pinkish purple, tube 1 in. long; 
limb plicate, sub-entire. Capsule ovoid, sub-acute, glabrous, '3 in. long. 
