IIQ. MALPIGHIACEAE 3O7 



Corolla regular. Mericarps with a more or less parallel-nerved dorsal 

 wing. — Species 20. Tropical and South-east Africa. Some species 

 are used as ornamental plants or in medicine. (Plate 77.) 



Acridocarpus (iuill. & Perr. 

 7. Styles very long, divaricate ; stigmas small, capitate. Stamens 10. 

 Petals with a very short claw. Sepals with very scantil}' developed 

 glands. — Species 4. Central and South-east Africa. 



Sphedamnocarpus Planch. 

 Styles short or rather short, erect or slightly divergent ; stigmas obliquely 



truncate, hooked, or broadened 8 



S. Stigmas broadened, semi-orbicular. Ovary with 3 tufts of liairs. Stamens 

 II — ^15. Petals with a very short claw. Sepals without glands. — 



Species i. ]\Tadagascar Tricomariopsis Dubard & Dop 



Stigmas not broadened. Stamens 10 9 



■9. Styles hooked at the apex, bearing the stigma at the bent. Petals with a 

 distinct claw. Sepals with glands. -- Species i. West Africa. 



Heteropteris Juss. 

 Styles not hooked above, bearing the stigma at the obliquely truncate tip. 

 Petals with a very short claw. Sepals without glands. — Species i. 

 Madagascar. (Under Sphedamnocarpus Planch.) 



Banisterioides Dubard & Dop 



10. (3.) Styles shorter than the ovary. Stigma terminal. Petals with a 



short claw. Calyx without glands. Mericarps with an undivided side- 

 wing II 



Styles longer than the ovary . . 12 



11. Ovary 2-celled. Petals slightly toothed. Leaves alternate. — Species 



I. East Africa Diaspis Nied. 



Ovary 3-celled. Mericarps with an air-cavity extending all round. Leaves 

 usually opposite and crowded upon dwarf-shoots. — Species 4. East 

 Africa Caucanthus Forsk. 



12. Petals sessile, entire. Calyx without glands. Styles 3, very long, with the 



stigma on the inside of the thickened apex. Mericarps with an un- 

 divided side-wing. — Species i. West Africa to the upper Xile. 



Flabellaria Cav. 

 Petals clawed 13 



13. Petals with a very short claw, entire. Calyx without glands. Styles 3, 



rather short, with a 2-lobed stigma. Flowers polygamous-dioecious, 

 in umbels. Mericarps with a 3-parted side-wing. — Species 5. Mada- 

 gascar Microsteira Bak. 



Petals with a long or rather long claw. Style long. Flowers usually 

 hermaphrodite 14 



14. Stigma at the inside of the thickened style-apex. Styles 3, all perfectly 



developed. Calyx without glands. Petals more or less toothed or 

 fringed. Mericarps with a shield-shaped, usually notched side-wing. — 

 Species 25. Tropical and South Africa Triaspis Burch. 



