322 122. EUPHORBIACEAE 



io6. Ovary and fruit winged. Styles long, undivided. Disc none. Stamens 



4 — 6. — Species I2. Central and South Africa. . Hymenocardia Wall. 



Ovary and fruit not winged. Styles short 107 



107. Disc in the male flowers consisting of 5 scales, in the female cup-shaped, 



entire. Stamens 5. Fruit one-seeded. — Species 4. West Africa and 



Upper Nile Maesobotrya Benth. 



Disc, especially in the female flowers, little developed or absent. Styles 

 shortly lobcd. Fruit several-seeded. — • Species 10. West Africa. 



Baccaurea Lour. 



108. Disc indistinct or wanting. Styles short, very shortly lobed. (See 107.) 



Baccaurea Lour. 

 Disc distinctly developed. Stamens 4 — 5 109 



109. Disc entire or nearly so. Styles undivided, united high up. Rudimentary 



pistil salver-shaped. Shrubs. — Species i. Plquatorial regions. 



Baccaureopsis Pax 



Disc lobed or divided. Styles more or less deeply two-cleft. . . . no 



no. Stem herbaceous or woody at the base only. Stipules hair-like. Flowers 



very small. Rudimentary pistil salver-shaped. Styles free, thick, 2- 



cleft. — Species 5. Central Africa. . . Cyathogyne Muell. Arg. 



Stem woody. Rudimentary pistil not salver-shaped m 



111. Stipules large, kidney-shaped. Inflorescence springing froni the old 



wood. Seeds with an arij. — - Species 5. West Africa, (l/nder Maes- 

 obotrya Benth.) Staphysora Pierre 



Stipules not kidney-shaped. Flowers 5-merous. Anther-halves at first 

 suspended from the thickened connective. Styles long. (See 04.) 



Thecacoris Juss. 



112. (100.) Styles or sessile stigmas much broadened, sometimes wholly united. 



Flowers dioecious. Disc present. Fruit indehiscent. Trees or shrubs. 



[Subtribe drypetinae.] . .113 



Styles or style-branches rather thin or broadened at the apex only. [Sub- 

 tribe PHYLLANTHINAE.] II5 



113. Stamens 3;. Ovary i-celled. Stigmas peltate, nearly sessile. Disc cup- 



shaped in the male flowers, ring-shaped in the female. Sepals unec[ual. 



— Species i. West Africa Sibangea Oliv. 



Stamens 4 or more 114 



114. Fruit i-seeded. Ovary i — 2-celled. Stamens usually 4. — Species 4. 



Central Africa Drypetes ^'ahl 



Fruit 2 — 4-seeded. Ovary 2 — 4-celled. Stamens usually numerous. — 

 Species 20. Tropical and South Africa. . . . Cyclostemon Blume 



115. Male flowers with a rudimentary pistil and a disc usually divided into 



glands 116 



Male flowers without a rudimentary pistil 120 



116. Receptacle of the male flowers prolonged into an androphore. Stamens 



5 — 6. Shrubs, undershrnbs, or herbs 117 



