156 King & Gamble — Flora of the Malayan Peninsula. [No. 4, 



Flowers 3 in. long. Calyx rotate, only '05 in. long; its lobes triangular, 

 spreading. Corolla five times as long as the calyx, glabrous, rotate, its 

 5 lobes broadly oblong-lanceolate, sub-acute, spreading, puberulous. 

 Anthers glabrous. 



Perak : Curtis (without number). 



12. Hedyotis, Linn. 



Erect, decumbent or climbing herbs, or undershrubs, with 4-angled 

 or terete stems, the stipules free or united with the petioles to form a 

 cup, often bristly on the edge. Leaves sometimes whorled, often with 

 bold nerves. Flowers in terminal or axillary, often much condensed cymes, 

 4-merous. Calyx with a globose ovoid or turbinate tube, and 4 acute 

 persistent lobes without interposed teeth. Corolla white or lilac, 

 funnel-shaped or campanulate; the lobes 4, valvate, ovate to linear; 

 the throat naked or hairy. Stamens 4, in the tube or throat of the 

 corolla ; anthers dorsifixed, oblong or linear. Dish fleshy, inconspicuous. 

 Ovary two-celled, many-ovuled, the style filiform, stigma bifid or bilobed, 

 rarely entire ; ovules on sessile or pedicelled placentas attached to the 

 septum at or below the middle. Fruit small, membranous coriaceous or 

 crustaceous, septi- or loculi-cidal, or splitting into two separable or united, 

 2- or many-seeded cocci, or indehiscent. Seeds plano-convex, or angled, 

 granulate or pitted, rarely winged; embryo sub-cylindric, in horny 

 albumen, radical short. — Distrib. Species about 100, chiefly Tropical 

 Asiatic. 



Cymes pedunculate, umbellate or capitate, terminal or 



axillary : — 



Scandent : — 

 Cymes umbellate, collected in a terminal leafy pani- 

 cle j flowers distinctly pedicelled ... ... 1. H. mollis. 



Cymes capitate, collected in a terminal leafy panicle ; 

 flowers on very short pedicels : — 

 All parts pubescent j flowers '1 in. long ... 2. H. Prainiana. 



All parts glabrous; flowers '15 in. long ... 3. H. capitellata. 



Erect or diffuse, herbaceous :— 

 Cymes capitate, solitary or in small axillary panicles 

 shorter than the leaves ; pubescent herbs ... 4. H. vestita. 



Cymes umbellate, in small trichotomous axillary 

 branches shorter than the leaves; glabrous erect 

 herbs ... ... ... ... ... 5. H, glabra. 



Cymes capitate, on slender axillary peduncles longer 



than the leaves ; puberulous decumbent herbs ... 6. H. stipulata. 



Erect woody glabrous shrubs : — 

 Cymes capitate, solitary, on stout peduncles much 

 longer than the leaves ... ... ... 7. H. peduncularis. 





