THE GESNERACE^E OE THE MALAY PENINSULA. 29 



Leaves glabrous unequal 



Flowers solitary on short pedunclesl3 D. alternans 



Flowers in pairs on long- peduncles 



from upper axils 14 D. glabrata 



Stem erect herbaceous little branched. 



Flowers yellow, corolla cylindric trumpet -shaped. 

 Leaves petioled silky in distant pairs. 

 Corolla 2 inches long 15 D. malayana 



Corolla 1 inch long 16 D. albomar- 



ginata 

 Leaves crowded above hairy. 



Flowers small congested 17 D. flavobrunnea 



Stem woody short. Leaves glabrous 



congested at the top not petioled 18 D. longipes 

 Stem woody. Leaves alternate lanceolate inequilateral 



Flowers blue 19 D. incequalis 



Stem woody. Leaves crowded or distant 



elliptic petioled. Flowers small white 20 D. alba 



3. Reptantes. 



Prostrate or creeping herbs. Leaves in distant pairs 



equal or unequal hairy or pubescent. 

 Flowers blue or white. Leaves hairy rarely glabrous. 



Flower in uppermost axil peduncle short 



21 D. reptans 

 Leaves velvety elliptic. Flowers solitary 



terminal 22 D. ophirensis 



Flowers numerous on slender pedicels 23 D.pulchella 

 Flowers orange or yellow. Sepalsjaairy 24 D. crocea 

 Sepals narrower subglabrous 25 D. ascendens 



4. Heteroboea. 



Stems woody usually short with the leaves crowded 

 towards the top, more or less hairy above, and little or 

 not branched. Leaves hairy silky or rarely glabrous 

 lanceolate serrate narrowed at the base into a winged 



R. A. Soc„ No. 45, 1905. 



