Oldenlandia.] 
LXXIV, RUBIACEiE. 
55 
(9) O. trinervia Retz, Obs. iv. 23; King, lx. 170. 
Annual weak prostrate herb, rooting at the nodes, hairy. 
Leaves round or obovate, *2 to *3 in, long and nearly as wide; 
petioles -05 in. long. Flowers *05 in. long, white, solitary axillary 
on very short pedicels, deflexed. Calyx campanulate, pilose. 
Corolla little longer, glabrous. Capsule ovate, compressed, very 
small. Hab. Open sandy spots. Singapore, Gelang. Pahang 
River, Kwala Bruas. Penang, Dato Kramat and Pulau Betong 
(Curtis). Distrib. India, Malay isles, Africa. 
22 . XANTHOPHYTUM, Bl. 
Slender erect herbs more or less red-hairy. Leaves mem¬ 
branous hairy, ovate to lanceolate, petioled. Stipules rather 
large. Inflorescence axillary, cymose panicled lax or compact, 
hairy. Flowers very small, white. Sepals short, lanceolate- 
acuminate. Corolla funnel-shaped, lobes 4 to 5, valvate. Stamens 
4 to 5, insert at base of corolla. Styles short. Stigma bilobed. 
Capsule small didymous, crowned with the calyx. Seeds very 
numerous, minute. Species 4 or 5, Malaya and Polynesia. 
(1) X. capitatum Ridley, Journ. F.M.S. Mus. x. 139. 
Stem woody about 12 in. tall, red-hairy as are the leaves and 
inflorescence. Leaves alternate, the opposite leaf alternately 
being reduced to a stipule-like organ, blade ovate elliptic acuminate 
acute; nerves 18 pairs, above sprinkled with long hairs, beneath 
very hairy especially on the nerves, 6-5 in. long, 3-25 in. wide; 
petioles -5 in. long. Inflorescence of peduncled heads in the leaf 
axils -3 in. through; peduncles *2 in. long, red-hairy. Bracts 
obcuneate, toothed. Calyx-tube globular hairy, lobes triangular 
acuminate. Corolla very small, white. Fruit minute, white. 
Hab. Muddy stream banks, rare. Kelantan, banks of the Pehi 
River, Chaning (Ridley). 
23 . LUCINJEA, DC. 
Epiphytic climbers or terrestrial shrubs, glabrous or nearly so. 
Leaves usually coriaceous. Flowers in axillary and terminal heads 
solitary or panicled, pedunculate. Calyx-tube turbinate, limb 
annular or cupular, entire. Corolla funnel-shaped, white or red, 
tube densely pilose inside with 5 or 6 oblong-lanceolate lobes. 
Stamens 4 to 5 inserted on the tube on short villous filaments or 
sessile. Anthers included. Ovary 2-celled; style filiform. Stigmas 
2, linear or spathulate. Fruit baccate sub-confluent. Seeds 
numerous. Species 18, Malayan. 
Flower-heads in a terminal panicle . . . (1) L. paniculata 
Flower-heads solitary or in fascicles of 3 ovate 
glabrous; corolla-75 in. long . . , (2) L. Ridleyi 
