159- FLACOURTIACEAE 37I 



29. Flowers dioecious. Stamens 9 — 15. Ovary superior. Placentas 3, with 



I — 2 ovules each. Styles 3. Leaves palminerved. Flowers in spikes 

 or spike-like panicles. — Species 4. East and South Africa. 



Trimeria Harv. 

 Flowers hermaphrodite 30 



30. Style I, simple, with a capitate stigma. Ovules 4. Stamens 5. Flowers 



in axillary cymes. — Species i. Soutli-east Africa. Gerrardina Oh v. 

 Styles 2 — 6, or style single and ? — 6-cleft 31 



31. Ovary superior. Ovules numerous. Styles 3 — 6, free. Stamens 5 — 8, 



nearly hypogynous. Seeds woolly. Leaves stipulate. Flowers in 

 panicles. — Species 5. Madagascar and East Africa. (Including 



Bivinia Tul.) Calantica Tul. 



Ovary half-inferior. Seeds not woolly 32 



32. Style I, thick, 4 — 6-cleft at the apex. Ovules numerous. Stamens 12^18. 



Petals scarcely larger than the sepals. Flowers in spike-like panicles. 

 Leaves exstipulate. — Species 2. West Africa. . Byrsanthus Guill. 

 Styles 2 — 6, thread-shaped, free or united at the base, rarely beyond ; in 

 the latter case stamens 4 — 8 or petals considerably larger than the sepals. 

 Petals persistent. — Species 50. Tropical and South Africa. Some 

 species yield timber. (Including Blackwellia Comm.) Homalium Jacq. 



33. Sepals united below. Petals with contorted aestivation. Anthers attached 



by the base. Placentas 5 — 7. Ovules numerous. Styles 5 — 7, united 

 at the base. Leaves ending in two tendrils. Flowers in cymose panicles. 



— Species i. West Africa (Congo) Dioncophyllum Baill. 



Sepals free. Anthers attached by the back. Placentas 2 — 4. Style i, 



simple. Leaves stipulate, without tendrils 34 



34. Ovary stalked, incompletely 3-celled at the base, (3-ovuled. Connective 



not prolonged. Sepals 5, imbricate in bud. Petals larger than the 

 sepals. Flowers in compound racemes or panicles. Leaves penni- 

 nerved. — Species i. Southern West Africa (Angola). Marquesia Gilg 

 Ovary sessile or nearly so, completely i-celled. Connective usually pro- 

 longed. Sepals valvate or slightly imbricate in bud. Petals similai 

 to the sepals. Flowers solitary or in racemes, rarely in panicles. Leaves 

 3 — 5-nerved at the base. — Species 12. Tropical and South Africa. 

 Some species yield timber or serve as ornamental plants. {Phoberos 



Lour.) . Scolopia Schreb. 



35- (7-) Ovary inferior, i-celled, with 2 — 3 parietal placentas. Styles 2—3. 

 Stamens numerous. Sepals 7 — 8, petaloid. Inflorescences head-hke. 



— Species i. Madagascar. [Tribe BEMBICIEAE.J Bembicia Oliv. 

 Ovary superior 36 



36. Receptacle with thread- or strap-shaped, sometimes partly united append- 

 ages. Stamens 5 or more. Ovary i -celled, with 2— 4 parietal placen- 

 tas .37 



Receptacle with separate glands or with a ring-shaped disc, but without 

 thread- or strap-shaped appendages, or without any appendages . 39 



