11. Fruit-carpels glabrous on the inside, short-haired on the outside, prolonged into a stalk at the base. Seeds without a distinct aril, but with a fleshy testa. Embryo long and narrow. Petals longer than the calyx.--Species 10. West Africa. =Manotes= Sol. Fruit-carpels covered with long stiff hairs on the inside and usually also on the outside. Seeds with a very small adnate aril at the base. Petals as long as or shorter or somewhat longer than the calyx. Stamens subequal.--Species 30. Tropical and South Africa. Some are used medicinally. =Cnestis= Juss. FAMILY 105. LEGUMINOSAE Leaves usually compound and stipulate. Anthers 2-celled. Ovary superior, 1-celled. Ovules inserted at the ventral suture. Style simple, but sometimes with a tooth near the apex. Stigma entire. Fruit 1-, 2-, or transversely several-celled, opening in two valves or along the ventral suture, or separating transversely in two or more joints, or indehiscent.--Genera 261, species 3300 (_FABACEAE_, including _PAPILIONACEAE_, _CAESALPINIACEAE_ and _MIMOSACEAE_.) (Plate 67.) 1. Petals valvate in bud. Flowers regular. Leaves twice pinnate, rarely (_Acacia_) reduced to the broadened stalk. [Subfamily =MIMOSOIDEAE=.] 2 Petals imbricate in bud or wanting. Flowers more or less irregular (sometimes nearly regular.) 28 2. Calyx with imbricate aestivation. Unarmed trees. [Tribe PARKIEAE]. 3 Calyx with valvate aestivation. 4 3. Flowers in long spikes, yellowish. Fertile stamens 5, sterile ones 10-15.--Species 3. West Africa. They yield timber, oil, and edible seeds. (ovala-seeds) =Pentaclethra= Benth. Flowers in globular or club-shaped heads. Fertile stamens 10.--Species 7. Tropics. They yield timber, tanners’ bark, vegetables, medicaments, edible fruits, from which a drink is prepared, and oily seeds, which are also used as a condiment, a substitute for coffee, a fish-poison, and for improving bad water. =Parkia= R. Br. 4. Stamens as many or twice as many as the petals. 5 Stamens more than twice as many as the petals. Trees or shrubs. 25 5. Anthers without glands. [Tribe MIMOSEAE.] 6 Anthers crowned, at least in the bud, by a sometimes caducous gland. Stamens 10. 9 6. Fruit dehiscing by two valves which separate from the persistent sutures. Petals united below. 7 Fruit dehiscing by two valves which do not separate from the sutures, or indehiscent. 8 7. Fruit and seeds slightly 4-angled, the former prickly. Petals red. Stamens 8-10. Herbs or undershrubs. Flowers in heads.--Species 1. West Africa. =Schranckia= Willd. Fruit and seeds flat.--Species 20. Tropics to Egypt, one species naturalized. Some yield timber or medicaments or serve as ornamental plants. =Mimosa= L. 8. Fruit broadly linear. Seeds placed transversely. Petals free, white. Stamens 10. Ovary stalked. Unarmed shrubs or trees. Flowers in heads.--Species 1 (_L. glauca_ Benth.). Naturalized in the Tropics. It yields timber, fodder, edible fruits, ornamental seeds, and medicaments. =Leucaena= Benth.