330 
XCI. APOCYNACEAJ. 
[. Leuconotis. 
ellipsoid, pale yellow, -2 in. long, 1-5 in. through. Seeds usually 2 
flat rugose, olive green, in thick pulp. Hab. Woods. Singapore, 
Selitar; Bukit Mandai; Jurong. Malacca, Merlimau; Bukit 
Bruang (Griffith, Derry). Negri Sembilan, Kwala Pedas; Tampin. 
Selangor, Kwala Lumpur. Perak, Asam Kumbong and Thaiping 
Railway (Wray). Native name: Akar Getah Sundi. Use: The 
rubber considered by Malays of good quality. 
4 . MELODINUS, Forst. 
Climbers. Leaves with numerous slender parallel nerves. 
Flowers white (or pale pink) terminal panicled cymes, or denser 
axillary cymes, 5 (rarely 4-merous). Corolla-lobes often fimbriate, 
with thick lobed scales in mouth. Stamens 5 (or 4) below the 
middle of the tube. Ovary 2-celled; ovules many axile; style 
short; stigma bifid. Berry globose, pericarp often woody. Seeds 
in pulp many, albumen fleshy. Species 20, Indo-Malaya, China, 
Australasia. 
Flowers large in terminal panicles . . . . (1) M. monogynus 
Flowers small in axillary cymes; leaves thin chart- 
aceous. 
Cymes -25 to 5 in. long. 
Corolla-tube thick, hardly dilate; lobes bifid; 
1 lobule bicuspidate.(2) M. orientals 
Corolla-tube slender, dilate in middle; lobule 
dentate. 
Nerves 10 to 15 pairs; scales bifid . . 0 ) M. micranthus 
Nerves 18 to 22 pairs; scales 5-lobed . . (4) ML citriformis 
Cyme ‘75 to 1 in. long. 
Nerves 10 to 15 pairs; lobes oblong spathulate . (5) M. perakensis 
Nerves 40 pairs; lobes ovate entire . . -(b) M. cymosus 
Leaves stiff coriaceous; cymes -5 in. long; lobes 
fimbriate. (?) M. coriaceus 
(1) M. monogynus Roxb. FI. Ind. 56; King, l.c. 411; Bot. Mag. 
t. 2527. 
Large climber. Leaves chartaceous-coriaceous, oblong or 
oblong-lanceolate acuminate, base rounded; nerves about 20 pairs, 
fine horizontal; 4*5 to 6 in. long, 1*5 to 2 in. wide; petioles *2 to 
•3 in. long. Panicles terminal, puberulous up to 3 in. long and as 
wide. Calyx-lobes 5, oblong orbicular, -2 in, long. Corolla-tube 
cylindric, -5 to 75 in. long, villous inside, lobes oblong falcate, 
round, *5 in. long, white, fragrant, with a 2- or 3-lobed scale at 
base. ' Berry globose, 3 in. through, orange. Seeds flattened. 
Hab. Rare; a beautiful fragrant plant. Perak, Hermitage Hill 
(Curtis). Penang Hill (Maingay, etc.). Dislrib. India, Timor. 
(2) M. orientalis Bl. Bijdr. 1026; King, l.c. 412. 
Large climber. Leaves chartaceous, nerves very fine and 
close, oblong cuspidate, base acute, 3 to 5-5 in. long, x to 2*25 in. 
wide; petioles -5 in. long. Cymes axillary, few-flowered (8 to 10), 
•24 in. long. Calyx campanulate, *i in. long, lobes -05 in. long. 
