64. Petals 1-2. Bracteoles large. Trees. Leaves pinnate. 65 Petals 5. 67 65. Stamens 3. Sepals 4, small, scale-like. Petals 1, orbicular.--Species 10. Central Africa. =Cryptosepalum= Benth. Stamens 10. 66 66. Sepals reduced to minute teeth or wanting. Leaves with a single pair of leaflets.--Species 1. Equatorial West Africa. =Aphanocalyx= Oliv. Sepals 5, three of them very small, the other two larger and connate. Petal 1, spatulate. Filaments united at the base, excepting one. Leaves with many pairs of leaflets.--Species 2. West Africa. =Monopetalanthus= Harms 67. Fertile stamens 3. Ovules 3. Bracteoles large. Tree--Species 20. Central Africa. Some species yield timber. (_Vouapa_ Aubl.) =Macrolobium= Schreb. Fertile stamens 10, rarely (_Cynometra_) more. 68 68. Petals very unequal. Leaves pinnate. 69 Petals equal or nearly equal. 71 69. Corolla of 1 large and 4 very small petals. Receptacle shortly cup-shaped. Bracteoles minute. Leaves with 1-2 pairs of leaflets.--Species 1. Equatorial West Africa. =Eurypetalum= Harms Corolla of 3 large and 2 small petals. 70 70. Bracteoles petal-like. Receptacle cup-or top-shaped.--Species 4. West Africa. (Under _Cynometra_ L.) =Hymenostegia= Harms Bracteoles sepal-like, hairy outside, equalling the bracts. Receptacle funnel-shaped. Sepals 4. Shrubs. Leaves with 3-4 pairs of leaflets.--Species 1. West Africa. =Loesenera= Harms 71. Sepals 5, very unequal, the lowest very large. Receptacle very short. Trees. Leaves pinnate.--Species 1. Madagascar. =Cymbosepalum= Bak. Sepals 4-5, equal or nearly equal. 72 72. Receptacle (calyx-tube) long and narrow. Sepals 4. Stalk of the ovary obliquely adnate to the receptacle. 73 Receptacle short and usually broad. 75 73. Bracteoles large, petaloid, enclosing the bud. Receptacle with a thick disc on one side. Shrubs. Leaves pinnate, with 2-4 leaflets.--Species 1. West Africa (Cameroons.) =Plagiosiphon= Harms Bracteoles small, not enclosing the bud, or wanting. Leaves simple or pinnate with many leaflets. 74 74. Leaves simple. Shrubs.--Species 2. West Africa (Cameroons). =Zenkerella= Taub. Leaves abruptly pinnate. Trees.--Species 1. West Africa (Cameroons). The bark is used as a condiment. =Scorodophloeus= Harms 75. Ovule 1. Stalk of the ovary obliquely adnate to the receptacle. Sepals 4. Trees. Leaves simple.--Species 1. East Africa. =Podogynium= Taub. Ovules 2, rarely 3. Leaves abruptly pinnate. 76 76. Filaments united into a ring at the base, unequal, hairy. Sepals 5. Ovary glandular. Trees. Leaves with 3-6 pairs of leaflets. Flowers in terminal, many-flowered racemes.--Species 1. East Africa. =Stuhlmannia= Taub. Filaments free. Bracteoles none. 77 77. Flowers in panicles. Sepals short. Petals white. Filaments hairy at the base. Fruit flat, lanceolate, opening by two valves. Trees.--Species 1. South Africa (Cape Colony). Yields timber. =Umtiza= Sim Flowers in racemes or corymbs. Sepals usually long. 78