_A_ Flowering branch. _B_ Flower cut lengthwise. _C_ Anther from the side and the front. _D_ Staminodes. _E_ Stigma. _F_ Ovary. cut lengthwise. _G_ Fruit.] [Illustration: GERANIACEAE. _FLOW. PL. AFR._ _Pl. 68._ J. Fleischmann del. Monsonia biflora DC. _A_ Whole plant. _B_ Flower cut lengthwise. _C_ Sepal. _D_ Cross-section of ovary. _E_ Unripe fruit. _F_ Ripe fruit. _G_ Mericarp.] Leaflets opposite. Petals not gland-dotted. Fruit more or less leathery and flattened. Inflorescence terminal. (See 356.) =Millettia= Wight & Arn. 375. Calyx-teeth very short or wanting. Corolla red or white; standard distinctly clawed; petals of the keel free. Ovary stalked. Fruit drupe-like with a woody endocarp and a more or less fleshy exocarp. Seed 1. Inflorescence terminal.--Species 2. West Africa. They yield timber and are used in medicine. (_Vouacapoua_ Aubl.) =Andira= Lam. Calyx-teeth distinctly developed. Corolla yellow or white, sometimes marked with red or violet. Fruit more or less distinctly winged, with a membranous or leathery pericarp. Leaflets alternate or subopposite. (See 247.) =Pterocarpus= L. ORDER PANDALES FAMILY 106. PANDACEAE Trees. Leaves alternate. Flowers in fascicled racemes, or in false racemes formed of fascicles, or in panicles, unisexual. Calyx small, slightly toothed. Petals 5, large, oblong, red. Stamens 10. Ovary superior, slightly lobed, 3-4-celled. Ovule 1 in each cell, pendulous, straight. Stigmas 3-4, sessile or nearly so, oblong. Fruit a drupe; stone with many pits and cavities, 3-4-seeded. Seeds with a large axile embryo and an oily albumen. Genus 1, species 1. Equatorial West Africa. The seeds yield oil. (_Porphyranthus_ Engl.) =Panda= Pierre ORDER GERANIALES SUBORDER GERANIINEAE FAMILY 107. GERANIACEAE Herbs, undershrubs, or shrubs. Leaves stipulate. Flowers hermaphrodite. Sepals 5, imbricate, rarely 4, valvate in bud. Petals 2-8, more or less distinctly perigynous, imbricate in bud. Stamens twice or thrice as many as the petals, some frequently sterile, the outer opposite the petals. Anthers opening inwards. Ovary lobed, 5-celled, with 2 ovules in each cell, rarely 8-celled with 1-ovuled cells. Fruit beaked, the carpels separating at maturity. Seeds albuminous.--Genera 6, species 350. (Plate 68.) 1. Sepals 4, valvate in bud. Petals 8, white. Stamens 8, opposite the petals, free. Ovary 8-celled, with 1 ascending ovule in each cell. Tails (awns) of the carpels not recurved at maturity. Shrubs. Flowers solitary, with 4 bracteoles.--Species 1. Island of Socotra. [Tribe DIRACHMEAE.] =Dirachma= Schweinf. Sepals 5, imbricate in bud. Petals 2-5. Stamens 10 or 15, some frequently sterile. Ovary 5-celled, with 2 ovules in each cell. Tails (awns) of the carpels curved or twisted backwards at maturity. [Tribe GERANIEAE.] 2