Materials for a Flora of the Malayan Feninsula. 



37 



6. D. venulosum. 



7. D. thyrsoideu7n. 



8. D. turhinatum. 



10 D. macrothyrsum. 



Leaflets not rugulose when dry, their 

 main nerves distinct 



Veins of leaflets winged ; flowers 



•25 in. long- 

 Veins of leaflets not winged. 



Disc hairy, slightly exceeding 

 the sub-strigose ovary ; 

 flowers "15 in. long 

 Disc glabrous, half as long as 

 the style, slightly constrict- 

 ed below the thickened pi- 

 lose mouth, ovary densely 

 pilose ; flowers '45 in. long 

 Disc glabrous, slightly lon- 

 ger than the glabrou s 

 ovary ; flowers '2 in. long 9. P. costulatum. 

 Disc glabrous outside, pubes- 

 cent inside, much longer 

 than the densely adpressed- 

 pubescent ovary ; flowers '5 

 in. long 

 Inflorescence spicate or racemose. 



Spikes or racemes from the stem or from 

 the branches below the leaves. 



Disc membranous, glabrous, obscure- 

 ly crenate, longer than the densely 

 pilose narrowly ovoid ovary ; 

 flowers '3 to "35 in, long ; fruit 

 ovoid, apiculate, glabrous 

 Disc fleshy, longer than the tomen- 

 tose-lepidote sub-globular ovary ; 

 flowers "25 in. long; fruit ovoid, 

 rusty-toinentose 

 Disc thinly fleshy, glabrous, crenu- 

 late, longer than the depressed 

 sericeous ovary ; flowers '15 in. 

 long ; fruit obovoid, apiculate, ob- 

 scurely 4-angled, tawny-tomentose 13. D. densiflorum. 

 Disc membranous, glabrous outside, 

 pubescent inside, as long as the 

 ovoid-conic sparsely pilose ovary ; 

 flowers "35 in. long ; fruit sub- 

 globose ... ... ... 14. D. cuneatum. 



525 



11. D. cauliflorum. 



12. D. GrlffitMi. 



