60 Flura of the iJalayau Peninsula. 



lobes ; stamens 4 to 7 ; creeping herbs often 



with cordate leaves .. ... ... 49. Geophila. 



Flowers nnmerous, in heads surrounded by 



many large thick involucres ; calyx-limb 



entire; style-arras 2; stamens 4 or 5 ... 50. Cephaelis. 



Flowers in axillary fascicles or condensed 



cymes, calyx-limb 3- to 6-fid or entire and 



truncate ; stamens 4 to 6 ; style-arms 3 to 9 : 



leaves distichous, not cordate; pyreues 3 to 9 51. Lasunthus. 



Flowers in terminal (rarely axillary) corymbose 



or panicled, rarely capitate, never involucrate 



cymes : — 



Calyx-limb short, 4- or 5-tootlied ; corolla- 

 tube usually long and curved ; seeds orbicu- 

 lar, very concave on the ventral surface ... 52. Chasalia. 

 Calyx-limb short, 4- to 6-toothed ; corolla- 

 tube usually short, straight ; seeds plano- 

 convex ... ... ... ... 53. PSYCHOTRIA.* 



31. CoELOSPERMUM, Blume. 



Scandent glabrous shrubs ; tlie y9ung brancbes often compressed. 

 Leaves coriaceous, elliptic, oblong or obovate, with few and indistinct 

 nerves ; stipules short, broad, connate below, acute or bifid at the apex, 

 caducous and leaving an annular scar on the branch. Flowers in 3-6- 

 fiowered panicled umbels. Galyx-tuhe short, campanulate or hemis- 

 pheric ; the limb membranous, truncate or obscurely lobed, sometimes 

 deciduous. Corolla coriaceous, clavate in bud, funnel-shaped or salver- 

 shaped ; the limb with 4 or 5 linear-oblong or lanceolate, sub-acute, 

 patent or reflexed lobes longer than the tube, in bud valvate, the edges 

 and apices often recurved. Stamens 4 or 5, on the throat of the corolla ; 

 filaments slender ; anthers linear, versatile ; exserted. Ovary 2-celled or 

 imperfectly 4-celled ; style filiform ; stigmas 2, linear-lanceolate. Ovules 

 2 in each cell in the 2-celled species and 1 in each cell in the 4-celled 

 species, on fleshy placentas. Fruit depressed-globular, dry or fleshy, 

 containing 2 or 4 pyrenes. — Distrib. Malaya and Australia — about 10 

 sijecies. 



Limb of calyx membranous, deciduous : cells of ovary 2, 



each with 2 or more ovules ... ... ... 1. C truncatum. 



Limb of calyx coriaceous, 'permanent : cells of ovary 4, 



cells uni-ovulate ... ... ... ... 2. C, scandens. 



1. CoELOSPERMUM TRUNCATUM, King & Gamble. A shrubby glabrous 

 creeper : youngest branches thinner than a goose-quill, pale-brown, 



* The descriptions of the species of this genus will be printed in No. 16 of the 

 present series of papers. 

 J21 



