254 105- LEGUMINOSAf 



78. Flowers in terminal, few-flowered corymbs. Filaments hairy at the 



base. Fruit flat, ovate, beaked, opening by two valves. Low, glandular 

 shrubs. — Species i. East Africa (Somaliland). The seeds ar; edible. 



Cordeauxia Hemsl. 



Flowers in racemes springing from the axils of the leaves or from the old 



wood 79 



79. Fruit lanceolate, flat, bursting in the middle of the valves, but remaining 



closed at the sutures. Sepals 5. Corolla yellow. Filaments erect, 

 hairy at the base. Stalk of the ovary free. Trees. (See 51.) 



Haematoxylon L. 



Fruit more or less ovate and turgid, opening in two valves. Filaments 



usually glabrous. — Species 20. West Africa and Madagascar. Some 



species yield timber and resin (copal). .... Cynometra L. 



80. (58.) Petals reduced to minute scales or wanting. Trees. ... 81 

 Petals well developed 87 



81. Bracteoles large, enclosing the bud, persisting during the time of flowering. 



Calyx consisting of i — 5 scale-like sepals, or replaced by a lo-lobed 



disc, or wanting altogether 82 



Bracteoles small, not enclosing the bud, falling off early. Calyx of 4 — 5 

 well-developed sepals 83 



82. Disc fleshy. Petals 5, awl-shaped. Stamens 5 — 6. Stipules small, con- 



nate. — Species 4. West Africa Didelotia Baill. 



Disc none. Stamens 10 — 20, more or less united at the base. Ovules few. 

 Fruit oblong or linear, opening in two valves. Seeds exalbuminous. — 

 Species 20. Central Africa. The seeds of some species are eaten and 

 the bark is used as a substitute for cloth. (Under Didelotia Baill.) 



Brachystegia Benth. 



83. Sepals 5. Petals 0. Stamens 5. Disc expanded. Ovary in its centre, 



subsessile. Ovules numerous. Style very short ; stigma peltate. 

 Fruit linear, indehiscent. Seeds albuminous. Leaves equally pinnate. 

 Flowers polygamous-dioecious. Bracteoles very small, deciduous. — 

 Species i (C. Stliqua L., carob-tree). North Africa. The fruits are 

 edible, and used as fodder and for preparing brandy and medicaments ; 

 the seeds serve as a substitute for coffee .... Ceratonia L. 

 Sepals 4. Stamens 8 — 10. Disc not expanded 84 



84. Petals 5, scale-like. Stamens 10. Leaves equally pinnate. Flowers in 



panicles. — Species 12. Central and South Africa. They yield timber, 

 gum, and edible seeds from which meal is prepared. {Theodora Medik.) 



Schotia Jaqu. 

 Petals none 85 



85. Stamens 8, alternatingly imequal. Ovary sessile. Ovules numerous. 



Leaves unequally pinnate. Flowers in compound racemes. Bracteoles 

 linear. — Species i. Equatorial West Africa (Gaboon). 



Hylodendron Taub. 



