53. Petals 1-2 or 0. Ovules 2-3. Fruit indehiscent, 1-2-seeded. Trees. Leaves unequally pinnate. 54 Petals 3-5. 55 54. Stamens 2-3.--Species 10. Tropics. They yield timber and edible fruits from which an intoxicating drink is prepared. =Dialium= L. Stamens 8-10. Petals none.--Species 1. East Africa. Yields timber. =Andradia= Sim 55. Petals 3, narrow, yellow. Fertile stamens 2; anthers opening by a terminal pore. Staminodes 3, petaloid. Ovules 4-5. Trees. Leaves unequally pinnate.--Species 1. Equatorial West Africa. Yields timber. =Distemonanthus= Benth. Petals 5. Stamens 4-10. 56 56. Sepals 4. Petals unequal, red. Stamens 4-5, some of them with cohering anthers. Ovules 2. Fruit 4-winged. Leaves unequally pinnate.--Species 1. Equatorial West Africa. (_Oligostemon_ Benth.) =Duparquetia= Baill. Sepals 5. Leaves equally pinnate or simple. 57 57. Leaves simple, undivided. Stamens 10. Filaments thickened above. Anthers opening below the top. Ovules few. Fruit fleshy, with transverse partitions. Trees.--Species 2. Madagascar. =Baudouinia= Baill. Leaves pinnate.--Species 40. They yield timber, gum, tanning and dyeing materials, fish-poison, medicaments (especially senna-leaves), fodder, vegetables, edible fruits, and a substitute for coffee; several species are used as ornamental plants. =Cassia= L. 58. (52.) Ovules 2, rarely 3 or 1, occasionally in some flowers 4. Ovary or its stalk usually free at the base of the receptacle, more rarely adnate to it. [Tribe CYNOMETREAE.]. 59 Ovules 4 or more, occasionally in some flowers only 3. Ovary or its stalk usually adnate to the receptacle by the back. Leaves pinnate. [Tribe AMHERSTIEAE.] 80 59. Petals none. 60 Petals 1-5. 64 60. Sepals 6, very small and unequal. Stamens 6. Ovary sessile. Shrubs. Leaves pinnate. Bracteoles large.--Species 1. Southern West Africa (Congo). =Dewindtia= De Wild. Sepals 4-5. Stamens 8-10 or 4. Trees. Leaves abruptly pinnate. Bracteoles small or wanting. 61 61. Sepals 5, distinctly imbricate in bud. Stamens 10. Ovary sessile. Stigma acute. Bracteoles present.--Species 2. West Africa (Cameroons). They yield timber. (Under _Copaiba_ Mill. or _Hardwickia_ Roxb.) =Oxystigma= Harms Sepals 4. 62 62. Stamens 4, inserted on the outside of a spathe-like disc cleft on one side. Sepals imbricate in bud. Ovary nearly sessile. Bracteoles present.--Species 1. West Africa (Cameroons). =Stemonocoleus= Harms Stamens 8-10. 63 63. Ovary sessile. Fruit sessile, drupe-like, indehiscent. Bracteoles present.--Species 3. Central Africa. They yield timber, fragrant resin, arrow-poison, and medicaments. The fruits of one species are edible, of another poisonous. “Dattock.” =Detarium= Juss. Ovary stalked. Fruit stalked, oblique, with a leathery rind, dehiscing by two valves. Bracteoles none.--Species 9. Central Africa. They yield timber, a resin (copal) used for making ornaments, lacs and varnishes, dye stuffs, medicaments, and edible seeds. (_Copaiba_ Mill.) =Copaifera= L.