[FAMILY 90.] MORINGACEAE
Trees. Leaves alternate, pinnate. Stipules gland-like or wanting. Flowers in panicles, irregular, hermaphrodite. Petals 5, perigynous, imbricate in bud. Fertile stamens 5, perigynous, alternating with 5 staminodes. Anthers 1-celled, turned inwards. Ovary short-stalked, 1-celled, with 3 parietal placentas. Ovules numerous, pendulous, inverted. Style simple. Fruit capsular. Seeds exalbuminous; embryo straight. (Under CAPPARIDACEAE.)
Genus 1, species 6. Five species spontaneous in northern East Africa,
Madagascar, and Egypt; the sixth (M. oleifera Lam., horse-radish-tree) cultivated and sometimes naturalized on the coasts of the tropics.
This species yields gum, fibre, tanners’ bark, fodder, vegetables, oil, condiments, and medicaments. Moringa Juss.
ORDER SARRACENIALES
[FAMILY 91.] NEPENTHACEAE
Shrubs or undershrubs. Leaves alternate, undivided, terminating in a pitcher. Flowers regular, dioecious. Perianth-segments 4. Stamens 4 or more, with united filaments; anthers 2-celled, opening outwards. Ovary superior, 4-celled. Ovules numerous, axile, inverted. Stigmas 4, sessile, 2-lobed. Fruit a loculicidal capsule. Seeds with a straight, axile embryo and fleshy albumen.
Genus 1, species 2. Madagascar and Seychelles. Used as ornamental plants. “Pitcher plant.” Nepenthes L.
[FAMILY 92.] DROSERACEAE
Herbs or undershrubs. Leaves usually covered with glandular hairs and rolled up in the bud. Flowers regular, hermaphrodite. Calyx 4-8-lobed or parted, imbricate in bud. Petals 4-8, usually 5, free, clawed, imbricate or contorted in aestivation. Stamens 4-20, as many as or more than the petals, hypogynous or nearly so, free. Anthers usually turned outwards, opening by longitudinal slits. Ovary superior, 1-celled. Ovules numerous (10 or more), inverted. Styles or style-branches 2-5. Fruit a loculicidal capsule. Seeds albuminous, with a small embryo.—Genera 3, species 15. (Plate 56.)
1. Stamens 10-20. Styles 5, free, with capitate stigmas. Ovules basal or nearly so. Undershrubs. Leaves linear, glandular-hairy, rolled up in the bud. Flowers in corymbs.—Species 1. North-west Africa
(Morocco). Drosophyllum Link
Stamens 4-8. Styles or style-branches 2-5, with not much thickened stigmas. Ovules parietal. Herbs. 2
2. Blade of the leaves jointed to the stalk, folded lengthwise, surrounded by bristles, without glands at the edges. Leaves whorled. Flowers solitary, axillary. Stamens 5. Styles 5, free, with branched stigmas.
Ovules few, affixed at the middle of the placentas. Floating water-plants.—Species
1. Upper Nile. Aldrovanda L.
Blade of the leaves not jointed, flat, rolled up in the bud, bearing long-stalked glands at the edges. Ovules numerous.—Species 13. Southern and tropical Africa. Some species are used in the preparation of liquors and in medicine. “Sundew.” (Plate 56.) Drosera L.