12. Perianth-segments free or nearly free. 13 Perianth-segments united into a tube below. 18 13. Seeds flattened or sharply angled, more or less distinctly winged. Perianth white, yellow, or green. 14 Seeds globose or obovoid. 15 14. Perianth persistent; inner segments somewhat shorter than the outer, connivent at the top, hood-shaped or crested.--Species 70. South and Central Africa. Some are used as ornamental plants. =Albuca= L. Perianth deciduous; segments subequal, spreading or connivent and bell-shaped.--Species 55. Some of them are poisonous or used in medicine or as ornamental plants. =Urginea= Steinh. 15. Inflorescence racemose, crowned by a tuft of leafy bracts. Perianth greenish.--Species 10. South Africa to Nyasaland. Some are used as ornamental plants. =Eucomis= L’Hér. Inflorescence without a terminal tuft of bracts. 16 16. Perianth-segments convex, connivent at the top, whitish. Flowers in spikes or spike-like racemes, sessile or short-stalked, the uppermost abortive. Filaments broadened almost to the top.--Species 17. Central and South Africa. Some are used as ornamental plants. =Drimiopsis= Lindl. Perianth-segments spreading or campanulately-connivent at the base. Flowers in racemes, long-or short-stalked, in the latter case filaments thread-shaped or broadened at the base only. 17 17. Perianth-segments 1-nerved, blue or red, rarely whitish or greenish. Stamens affixed to the perianth; filaments thread-shaped or broadened at the base only.--Species 100. Some have edible bulbs or are used in medicine or as ornamental plants. “Squill.” (Including _Endymion_ Dumort.) =Scilla= L. Perianth-segments obscurely many-nerved, white or yellow and usually striped, rarely brownish or greenish. Stamens usually free from the perianth and with flattened filaments.--Species 90. Some have edible bulbs. =Ornithogalum= L. 18. Perianth-tube cylindrical, linear or oblong in section. 19 Perianth-tube bell-, urn-, funnel-, or saucer-shaped. 23 19. Perianth-segments very short and broad, more or less ovate. 20 Perianth-segments narrow and more or less elongated. 21 20. Perianth falling off after flowering. Stamens inserted below the throat; filaments very short. Ovules numerous. Seeds flattened. Leaves awl-shaped. Flowers solitary or in pairs.--Species 1. South Africa. =Litanthus= Harv. Perianth withering. Stamens inserted in the middle of the tube; filaments thread-shaped. Ovules 2 in each cell. Seeds thick. Leaves strap-shaped. Flowers in dense racemes.--Species 3. South Africa. Used as ornamental plants. =Veltheimia= Gled. 21. Seeds flattened. Anthers linear. Perianth-segments unequal, the outer spreading, the inner erect, as long as or shorter than the outer. Leaves linear, usually more than 2.--Species 60. =Dipcadi= Medik. Seeds thick. Anthers oblong. Perianth-segments equal or, if unequal, the inner usually longer than the outer. Leaves oblong or lanceolate, more rarely linear, usually 2. 22