208 Flora of the Malayan Peninsula. 



Calyx-margins of ? flower tomentose, lobes broadly 

 ovate ; fruit globose, ultimately glabrous, "75 in. long 14. D. lucida. 

 Leaves 1-5 to 2-5 in. broad : — 



Stamens about 12 ; main-nerves of leaves 8 to 9 pairs 10. D. pachyphylla. 

 Stamens about 16 ; main-nerves of leaves 6 to 7 pairs 11. D. clavigera. 

 Stamens 16, in pairs; main-nerves of leaves 5 pairs 13. D. styraciformis. 

 Leaves usually more than 5 and less than 7'5 in. long : — 

 Leaves under 6-5 in. long, over 25 in. broad ; fruit olive- 

 shaped, nearly 2 in. long and 1-25 in. in diam. . . 12. D. hilocularis. 

 Leaves under 2-5 in. broad : — 



Leaves under 65 in. long ; main-nerves of leaves not 



visible, probably many pairs ; fruit depressed-globose, 



1-35 in. in diam. ; persistent calyx thick, woody . . 25. D. oleifolia. 



Leaves under 7'5 in. long ; main-nerves 5 to 8 pairs ; 



fruit ellipsoid, 1 in. in diam. ; persistent calyx with 



large membranous lobes .. .. ..27. D. paniculata. 



Leaves usually more than 6 and less than 12 in. long : — 

 Leaves beneath covered with appressed sericeous hair ; 

 stamens 20 to 24 ; main-nerves of leaves not visible . . 21. D. argentea. 

 Leaves beneath glabrous except the midrib, which is 

 covered with dark hair ; main-nerves of leaves 7 to 8 

 pairs; fruit glabrous .. .. ..17. D. tristis. 



Leaves beneath glabrous or only minutely puberulous : — 

 Leaves usually 3 to 3*5 in. broad : — 



Main-nerves of leaves 8 to 10 pairs ; apex caudate- 

 acuminate, base cuneate . . . . . . 18. D. imuciflora. 



Main-nerves of leaves 10 to 12 pairs ; apex acute, 



base rounded .. .. .. ..19. D. ellipsoidea. 



Leaves reaching 4 in. broad ; fruit glabrescent : — 

 Main-nerves of leaves 8 to 14 pairs ; apex sub-acute 23. D. Horsjieldii. . 

 Main-nerves of leaves 16 to 20 pairs ; apex shortly 

 acuminate . . . . . . . . 24. D. toposioides. 



Leaves 3'5 to 45 in. broad ; main-nerves of leaves 8 to 

 12 pairs ; apex acute ; fruit densely rusty-tomentose, 

 ridged . . . . . . . . . . 28. D. Ktinstleri. 



Leaves 8 to 14 in. long, 2*5 to 5 in. broad; main-nerves 

 14 to 18 pairs ; fruit sub-globose, 1 in. in diam., immersed 

 in the thickened calyx . . . . . . . . 20. D. IValUchii. 



Leaves 10 to 18 in. long, 2 to 4 in. broad ; main-nerves 

 14 to 20 pairs ; fruit depressed-globose, 2 in. in diam., 

 seated on a cupular calyx . . . . . . 22. D. rigida. 



Calyx 5-lobed : — 

 Leaves glabrous beneath, 7 to 9 in. long, 3 to 3'75 in. 

 broad; main-nerves 16 to 18 pairs .. .. 15. D. ohlonga. 



Leaves puberulous on the midrib and main-nerves beneath, 

 5"5 to 7"5 in. long, 2-5 to 3'25 in. broad ; main-nerves 10 

 to 12 pairs . . . . . . . . . . 16. D. Helferi. 



Leaves glabrous beneath, 5-5 to 9 in. long, 1-5 to 2-5 in. 



broad ; main-nerves 10 to 12 pairs . . . . 26. D. hrachiata. 



Leaves thinly coriaceous, glabrous above, puberulous beneath ; 

 both (f and ? flowers in few-flowered cymes, on long, slender, 

 extra-axillary peduncles, pendulous ; calyx 5-lobed, not accres- 

 cent in fruit .. .. .. .. ..29. D, 7iutans. 



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