150 



MB HIEEN, ON EBENACE^E. 



IV. GUNlSANTHUS. 



Flowers urceolate or not very slender. 

 Calyx quite glabrous. 



Ovary 8-celled; staminodes 4. 

 Ovary 4-celled; staminodes 0. 

 Calyx more or less hairy. 



Peduncles ebracteate, articulated at apex. 

 Peduncles bracteate. 



Bracts densely imbricated at base of peduncles. 

 Bracts not densely imbricated. 



Ovary glabrous. 

 Ovary hairy. 



Peduncles stout ; flowers pentamerous. 

 Peduncles slender; flowers tetramerous. 



Male flowers narrowly tubular, very slender. 



46. D. microrhombus. 



47. D. foliolosa. 



48. D. pilosula. 



49. D. suberifolia. 



50. D. squarrosa. 



51. D. paniculata. 



52. D. gracilipes. 



53. D, graciliflora. 



V. GIJAIACANA. 



Fruiting calyx tough ; leaves coriaceous or subcoriaceous ; stamens 12 20 ; dioecious. 



? Cymes 3-flowered, stiff. 54. D. Pervillei. 



Cymes many-flowered. 



Flowers pentamerous ; stamens 20. 55. D. dictyoneura. 



Flowers tetramerous ; stamens 12 16. 



Leaves not cordate at base. 



9 Cymes racemose ; veins of leaves in relief on both sides. 56. D. asterocalyx. 

 ? Cymes panicled ; veins of leaves markedly depressed on 



upper surface. 57. D. Horsfieldii. 



Leaves cordate at base. 58. D. Bmvini. 



Fruiting calyx usually foliaceous ; leaves membranous ; stamens 8 ; 



polygamous. 59. D. Lvwreiriana. 



VI. CtJNALONIA. 



Stamens 20 or 24, all inserted in pairs about middle of corolla ; corolla- 

 lobes obtuse. 60. D. Dendo. 



Stamens 8, half inserted at base and half at middle of corolla ; corolla- 

 lobes acute. 61. Z>. Cunakm. 



