37 $ 
XCII. ASCLEPIADACEA2. 
\Gcnianthus, 
(1) G. Maingayi Hook. fil. F.B.I. iv. 16; King, l.c. 525. 
Slender climber, purple pubescent above. Leaves coriaceous, 
obovate to oblanceolate shortly acuminate, base cuneate blunt; 
nerves 6 to 7 pairs sunk above, elevate beneath; 2'5 to 3-5 in. 
long, 1*25 to 1*5 in. wide; petioles ‘25 to -5 in. long. Spikes 3 to 
4 in. long with distant, sessile flowers solitary or in pairs; rachis 
and calyx purple-pubescent. Calyx-lobes oblong, blunt. Corolla 
reddish white, -12 in. long, lobes linear recurved, villous inside. 
Hab. Singapore, Bukit Timah (Murton, Maingay). Perak, Larut 
(Kunstler). Local and scarce. 
(2) G. Ridleyi King and Gamble, l.c. 526. 
Long hairy twiner. Leaves fleshy, oblong-lanceolate acuminate, 
base round; nerves 6 to 8 pairs slightly elevate below; 3 to 5 in. 
long, 1 to 2 in. wide; petioles hairy-pubescent, 75 in. long. 
Panicles of 3 or 4 long, slender branches 6 in. long or more, axillary 
and terminal red-hairy. Flowers small, white in distant clusters 
•25 in. apart. Calyx-lobes ovate-oblong, red-villous. Corolla-lobes 
free nearly to base, oblong, recurved, -15 in. long, villous above. 
Corona-processes acuminate. Hab. In mountain forest, local. 
Perak, Thaiping Hills 3000 to 3500 ft. altitude (Kunstler, etc.). 
(3) G. rufo-velutinus King and Gamble, l.c. 526. 
A stout climber 100 to 150 ft. long; stem 3 to 4 in. through, 
upper branches '15 in. through, densely brown tomentose. Leaves 
coriaceous, elliptic-ovate to obovate acuminate, base cuneate, 
above glabrous shining dark green, beneath brown-velvety; mid¬ 
rib and nerves 7 to 9 pairs, sunk above, elevate (midrib thick) 
beneath; 4 to 6 in. long, 2 to 3 in. wide; petioles thick, 1 in. long. 
Spikes 4 to 5 in axillary panicles on short peduncles, densely brown 
woolly, 3 in. long. Flowers 4 or 5 together in distant clusters, 
cream-colour. Calyx campanulate, brown-woolly, lobes ovate. 
Corolla-lobes linear-oblong, *i in. long, acute, white-villous. 
Follicles oblong hardly narrowed to the blunt tip densely brown- 
velvety, 4 in. long, 75 in. through. Seed oblong, 75 in. long; 
beak broad; plume 2 in. long. Hab. Local in dense jungle, on 
trees. Perak, Larut (Kunstler). 
(4) G. Blumei King and Gamble, l.c. 527. 
Stout climber; branches red-tomentose. Leaves elliptic-ovate 
or obovate short-acuminate, base attenuate or round, glabrous 
above, densely red-tomentose at first beneath; nerves 7 to 10 
pairs sunk above, elevate beneath; 3 to 6 in. long, 2 to 4 in. wide; 
petioles *5 in. long, tomentose. Panicle of spikes lateral, 3 in. 
long. Flowers in sessile clusters small, tomentose. Calyx-lobes 
ovate, red-pubescent. Corolla-lobes very short, white, villous 
inside. Corona-processes ending in a linear ligule. Follicles 
cylindric blunt, 3 to 4 in. long, 75 in. through. Seeds ovate, 
•6 in. long, -3 in. wide; plume brown, 2 in. long. Hab. Perak, 
Sungei Larut (Wray). Rare. Distrib. Java. 
