XCII. ASCLEPIADACEAL 
Gongronema.] 
387 
broad, tube -i in. long, pubescent inside, lobes triangular, *25 in. 
across. Hab . Perak, Goping (Kunstler). Rare. 
(4) G. Wrayi King and Gamble, l.c. 543. 
Slender twiner, flexuous. Leaves coriaceous, bright green, 
ovate-acuminate, base minutely cordate round; nerves 5 to 7 
pairs very faint; 2‘5 to 4 in. long, 1 to 175 in. wide; petioles *5 in. 
long. Flowers 5 to 6, yellow, umbelled on a peduncle ’i in. long; 
pedicels as long, puberulous. Calyx cup-shaped pubescent, lobes 
orbicular. Corolla thick, campanulate, tube cylindric, *15 to - 2 in. 
long, glabrous, lobes valvate triangular. Pollinia caudicles slender, 
long. Hab. Perak, Relau Tujor (Wray). Rare. 
22 . DREGEA, E. Meyer. 
Twiners. Flowers moderately large, few. Calyx-lobes ovate 
glandular or not. Corolla rotate, deeply lobed. Coronal scales 
thick fleshy, adnate to the staminal column, spreading in a star, 
inner angle forming a short tooth lying on the anther; filaments 
connate in a tube, very short. Pollinia solitary, obovoid-oblong, 
erect. Stigma-top conic. Follicles thick, often with wings or 
ridges. Species 6 or 7, Africa, Indo-Malaya. 
Corolla-lobes round ; leaves glabrous . . . . (1) D. volubilis 
Corolla-lobes lanceolate acute; leaves pubescent . . (2) D. stellaris 
(1) D. volubilis Hook. fil. F.B.I. iv. 46. Marsdenia volubilis 
Cooke FI. Bomb. ii. 166; King, l.c. 547. 
Half-woody climber with pale brown bark. Leaves membranous, 
fleshy, ovate-acuminate truncate or cordate at base; nerves 2 to 3 
pairs from base, 2 pairs from midrib; 2’5 to 6 in. long, 175 to 
4-5 in. wide; petioles *5 to 1*5 in. long. Cymes many-flowered, 
umbellate on pedicels ‘25 to 5 in. long; peduncles 1 to 2 in. long. 
Flowers light green. Calyx-lobes ovate-oblong, *i in. long, scales 5, 
minute. Corolla rotate, tube *i to -15 in. long, lobes round, longer. 
Corona-lobes large, fleshy, round-beaked. Follicles 2 (or 1) lan¬ 
ceolate tapering to a blunt point, 3 to 4 in. long, 1 in. thick, yellow. 
Seed ovate, *5 in. long, broad-winged, tip truncate, plume 2 in. 
long. Hab. Adang group, Pulau Tengah. Distrib. Indo-Malaya. 
(2) D. stellaris Ridl. Marsdenia stellaris Ridl. Journ. F.M.S. 
Mas. v. 40. 
Pubescent climber. Leaves in distant pairs ovate-lanceolate 
acuminate acute, base sub-cordate round, pale beneath sprinkled 
with hairs all over midrib and petioles, red-hairy; nerves almost 
invisible, 5 pairs; 2 to 3-5 in. long, 75 to 1 in. wide; petioles 
75 in. long. Peduncles axillary, 1 in. long, pubescent; pedicels 
nearly as long. Flowers 3, apparently violet. Calyx-lobes ovate 
pubescent. Corolla glabrous, lobes lanceolate acute, 75 in. across. 
Corona-lobes sub-coriaceous, yellow shining spreading, tips acute; 
anther appendages oblong. Pollinia sessile on carriers. Hab. 
Mountains; rare. Selangor, Gunong Mengkuang Lebah (Robinson). 
