122. EUPHORBIACEAE 321 



Qö [,eaflcts I — 3. Flowers monoecious. Stamens 14 — 15. — Species i. 



Southern West Africa (Angola) Aristogeitonia Prain 



Leaflets 5 — 7. Flowers dioecious. Stamens 4- — 10 97 



97. Leaves opposite. Leaflets stalked. Fruit a capsule. — Species i. West 



Africa. Yields timber (African teak) Oldfieldia Hook. 



Leaves alternate. Leaflets sessile. Male flowers with a 6- — 8-cIeft calyx 

 and 6 — 8 stamens. Female flowers solitary, with 3 hracteoles, a disc 

 consisting of 6 — 7 scales, a 2-celled ovary, and 2 short, thick, undivided 

 styles. Fruit a drupe. — Species i. Southern West Africa (Angola). 



Paivaeusa Welw. 



98. Leaves opposite or whorled. Flowers dioceious, the male in fascicles or 



panicles, the female solitary. Stamens numerous. Disc none. Fruit 



a capsule. Trees. [Subtribe toxicodendkinae.] 99 



Leaves alternate 100 



99. Sepals 2 — 5. Stamens inserted upon a stalk-like receptacle. Styles 



united high up. — Species i. Southern East Africa (Mosambic). 



Yields timber Androstachys Prain 



Sepals 5 — 12. Stamens inserted upon a flat receptacle. Styles united 



at the base only. — Species i. South Africa (Cape Colony). Fruit 



poisonous. [Hyaenanche Lamb.) .... Toxicodendron Thunb. 

 100. Male flowers in catkins, spikes, racemes, or panicles, more rarely in heads 



or umbels with a calyx-like involucre. Flowers dioecious. [Subtribe 



ANTIDESMINAE.] lOI 



Male flowers in axillary glomerules, fascicles, or short cymes, rarely in 



umbels without an involucre 112 



loi. Male flowers in umbels or heads with a calyx-like involucre, female sohtary. 

 Male flowers without a disc, but with a rudimentary pistil. Stamens 

 4 — 5. Ovary 2 — 4 celled. Styles branched. Fruit fleshy, indehiscent. 

 Trees. — Species 30. Tropics. Some yield timber or edible fruits. 



Uapaca Baill. 

 Male flowers in spikes racemes or panicles without an involucre. , . 102 



102. Ovary i-celled. Fruit a drupe. Trees or shrubs 103 



Ovary 2 — 5-celled 105 



103. Styles 3, 2-lobed. Male flowers with a disc. Stamens 2 — 5. — Species 



25. Tropical and South-east Africa. Some yield timber and dye- 

 stuffs Antidesma L. 



St\'le I, undivided. Male flowers without a disc 104 



104. Sepals in the male flowers 3 — 5. Stamens 3 — 5. Disc of the female 



flowers ring-shaped. — Species 2. Madagascar. . Cometia Thouarä 

 Sepals in the male flowers 6 — 8. Stamens numerous. Disc none. — 

 Species i. Equatorial West Africa. The seeds yield oil. 



Plagiostyles Pierre 



105. Ovary 2-celled. Male flowers with a rudimentary pistil. Trees or 



shrubs. 106 



Ovary 3-, rarely 4 — 5-celled 108 



X 



