174 
LXXIV. RUBIACEJE. 
[Pcederia. 
(2) P. verticillata Bl. Bijdr. 968 ; King, l.c. 97. 
A much stouter climber than P. fcetida. Leaves more coria¬ 
ceous and larger, opposite or often whorled in threes; nerves 
6 to 7 pairs; 2-5 to 4 in. long, 1 to 175 in. wide. Stipules broad 
triangular. Panicles elongate 18 in. long; branches about 1 in. 
long. Flowers in small cymes. Calyx *1 in. long, funnel-shaped. 
Corolla tubular, base narrowed, *6 in. long, lobes acute. Fruit 
as in foetida. Hab. Commoner than fcetida, open edges of forests 
and river banks. Singapore, Sungei Morai; Chan Chu Kang; 
Serangoon, etc. Malacca (Maingay). Selangor, Rawang. Perak, 
Ulu Bubong (Kunstler); Kwala Dipang (Curtis); Tapa near Jor 
(the whole flower spray of a rich purple). Kedah, Yan. Tringganu, 
Bundi (Rostados). Distrib. Borneo. 
(3) P. tomentosa Bl. Bijdr. 968 ; Hook. fil. F.B.I. iii. 197. 
Very slender climber. Leaves membranous ovate to lanceolate, 
tip acute, base round or cuneate, 2-25 to 4 in. long, -85 to 1*5 in. 
wide; petioles *25 to 1 in. long. Stipules free triangular. 
Panicles like those of fcetida, but shorter and quite scorpioid. 
Flowers *5 in. long. Corolla *5 in. long, lobes short acute. Fruit 
globose brown brittle, not winged. Hab. Open places, borders 
of woods and on rocks. Malacca (Maingay). Perak, Lahat near 
Ipoh; Goping (Kunstler). Kelantan, Kota Bharu. Perlis, Lime¬ 
stone rocks, Bukit Lagi. Distrib. Burma and Malay isles, China, 
Japan. 
65 . DIODIA, Linn. 
Rough herbs with leaves somewhat coriaceous in pairs. 
Stipules connate with numerous bristles. Flowers small, white 
in dense axillary heads. Calyx obconic ovoid, teeth 2 to 4 (rarely 
5 or 6). Corolla funnel-shaped, tube short or long, lobes 4 (or 5 
or 6), ovate triangular. Stamens 4 (or 5 or 6) in corolla-mouth. 
Ovary 2-(or 3-or 4-)celled; style filiform. Stigma bilobed. Fruit 
of 2 cocci, ovoid oblong. Cocci crustaceous, indehiscent on the 
inner face. Seed oblong, grooved on one face. Species numerous 
in Africa and America. 
(1) D. sarmentosa Sw. Prod. Veg. Ind. Occ. 30. Spermacoce 
scaberrima Bl. Bijdr. 946. 
A long sarmentose herb climbing over bushes; stems 4-angled, 
angles white-hairy. Leaves coriaceous, sessile, narrow elliptic, 
sparsely hairy; nerves 3 to 4 pairs, elevate beneath and pilose; 
■5 to 1 in. long, -2 to -4 in. wide. Stipules cupular with 3 or 4 
bristles. Heads small, sessile, 4- to 8-flowered or more. Flowers 
*1 in. long, white. Calyx glabrous oblong, lobes short lanceolate 4. 
Corolla little longer, lobes narrow lanceolate. Capsule -i in. long, 
obovoid crowned by the narrow hairy sepals, otherwise glabrous. 
Seed rather large, oblong, black, smooth. Hab. Common in damp 
low ground. Singapore, Lower Gardens; Chan Chu Kang. 
