28 THE GESNERACEiE OF THE MALAY PENINSULA. 



or more flowers in a cyme. Sepals free to the base or nearly 

 so, 5 short. Corolla infundibuliform bilabiate, lobes equal or 

 the lower ones longer than the upper. Stamens 2 complete, 

 filaments filiform, rising from about half way down the tube, 

 anthers reniform connivent by the ed^es. Staminodes 2 short 

 hooked, ovary cylindric passing- into the style. Stigma capitate 

 or ovate entire. Disc annular or absent. Capsule cylindric 

 narrow usually splitting along the upper edge. Seeds numerous 

 minute ellipsoid not plumed. 



Species about 100. Distribution, India and Malaya. 



1. Elatae. 



Stem tall branched, shrubby. Leaves in distant pairs 

 opposite unequal. 



Bract one cup-shaped appressed toge- 

 ther, corolla lips, ' 1 D. corchorifolia 

 Stem long and weak. Bracts 2 ovate 2 D. sulphured 



Stem weak. Bracts ovate amplexicaul 



Flowers yellow. 3 D. citrina 



Bracts oblong glabrous. Flowers 



claret color 4 D. purpurea 



2. Didymanthus, 



Stem erect herbaceous, leaves in dist- 

 ant pairs. Flowers very small ^inch 

 long axillary. Flowers medium size 5 D. parvijlora 



Flowers yellow. 



Leaves lanceolate acute 6 D. flava 



Leaves ovate acuminate 7 D. ramosa 



Leaves unecjrual narrowly lanceolate 8 D. flavescens 



Flowers white. 



Leaves opposite equal hairy or pubescent 



ovate edges pubescent 9 D. hispidula 



Edges conspicuously red hairy 10 D. hirta 



Leaves lanceolate thinly pubescent Hi), viscida 

 Leaves subglabrous equal longpetioled 12 D. albina 



Jour. Straits Branch 



