Gre?oia.] xxvii. tiliace/K (masters). 243 



Leaves not truncate. 



Leaves glandular-visciJ 12. G. (/landuhsa. 



Leaves not glandular. 



Drupe globose, rarely lobcd. 



Leaves tapering at tlie base, secondary veins 



straight "... 13. G. trichocarpa. 



Leaves rounded at the base, secondary veins 



curved \\. G. carpinifolia. 



Drupe distinctly 4-lobed 11. G. occideHtalit. 



Leaves smooth or nearly so above, white beneath. 



Petals very short \. G. micrantha. 



Petals oblong-lanceolate. 



Leaves cuive-veined 15. '^Z saliifolia. 



Leaves feather-veined. 



Drupes black. Leaves oblong-lanceolate . . . . 10. G. mollU. 



Drupes red. Leaves ovate 17. (7. cyclopetala. 



Leaves tomentose, especially below. 

 Leaves roundish, 5-7-nerved. 



Stipules subulate, prominently unicostnte . . . . 18. (7. asiatica. 

 Stipules lanceolate; nerves not prominent. 



Leaves obliquely cordate ; arborescent . . . . 19. C titiafolia. 

 Leaves rounded at the base, rarely subcordate ; her- 

 baceous or suffruticose 20. G. venusta. 



Stipules broadly ovate, acute ; arborescent . . . . 2\. G. villosa. 

 Leaves oblong, 3-5-nerved. 



Stipules large, falcate, oblique, acuminate .... 9. 6'. incB'/ni/a/era. 

 Stipules subulate-lanceolate. 



Leaves oblong-obtuse, covered with down on both 



surfaces 22. G.flava. 



Leaves oblong-acute, smooth or with rather long 



silky hair 23. G. pubescens. 



Leaves pilose or rough on both surfaces. 



Petals deeply 2-parted 2 !•. G. Forbesii. 



Petals notched or entire. 



Ovules many in each cell of the ovary 25. G. pilosa. 



Ovules 2 in each cell of the ovary. 



Leaves oblong or roundish, 1-3 in. long .... 5. (7. ynnzum[foHa. 



Leaves minute 26. (?. yarvxfolia. 



Cymes panicled at the ends of the branches, many-flowered. 

 Cy mules exinvolucrate. 



Mower-buds subglobose or oblong. 



Leaves feather-veined 2?. G. ferrugiurn. 



Leaves curve-veined 2S. G. angoletisii. 



Flower-buds cylindrical oblong or club-shaped. 

 Leaves oblong, not cordate. 



Leaves laneeolatQ, thinly pilose. Flowers large .... 29. 0. teiragastri-i. 

 Leaves oblong-acuminate, glabrous. Flowers small . . .31. G. coriacra. 



Leaves cordate, densely tomentose 30. G. sulcata. 



Cymules invulucrate. 



Nut 4-celled, 4-secded. Stipules entire. {S>tci. Microcos.) . 32. G. floribunda. 

 Cymules with or without involucres. Drupes pyrifonn, fibrous, 1- 

 celled, 1 -seeded. (Sect. Oinphacarpus.) 

 Stipules entire. 



Fruit downy 33. ^7. tn.ifarorarpa. 



Fruit glabrous 'U. G. africana. 



Stipules pinnalitid 35. G. pin»afi/i<ia. 



1. G. columnaris, Smith ; DC. PruJ. i. 510. A shrub with sK-iulcr, 



