1. Ovary 1-celled, sometimes 2-3-celled when young. Fruit 1-celled, indehiscent. 2
Ovary 2-3-celled. Fruit 1-3-celled, dehiscent. Flowers dioecious. 10
2. Spikelets, all or most of them, bisexual, containing a male and a female flower, arranged in spikes. Styles 2.—Species 1. South Africa. Phyllocomos Mast.
Spikelets unisexual. 3
3. Female spikelets 1-flowered. Styles or stigmas 2. 4
Female spikelets 2-many-flowered, very rarely 1-flowered, but then stigmas
3. 6
4. Glumes distant. Male spikelets in panicles, female in spikes.—Species
10. South Africa (Cape Colony). (Including Ceratocaryum Nees). Willdenowia Thunb.
Glumes closely imbricate. 5
5. Female flowers on a thick stalk. Style 1, with 2 stigmas. Fruits more or less distinctly stalked.—Species 15. South Africa (Cape Colony). Hypodiscus Nees
Female flowers on a thin stalk or sessile. Styles 2. Fruits sessile.—Species
20. South Africa to Nyasaland. Hypolaena R. Br.
6. Outer perianth-segments of the female flowers winged on the keel. 7
Outer perianth-segments not winged. Styles 2-3. 8
7. Style 1. Female spikelets in spikes.—Species 15. South Africa (Cape
Colony). Thamnochortus Berg
Styles 2-3. Female spikelets solitary or in fascicles.—Species 5. South
Africa (Cape Colony). (Under Thamnochortus Berg). Staberoha Kunth
8. Female spikelets solitary or in clusters of 2-3 on the top of the stem,
2-5-flowered. Outer perianth-segments larger than the inner. Styles
2.—Species 8. South Africa (Cape Colony). Cannomois Beauv.
Female spikelets in spikes or panicles. Outer perianth-segments as large as or smaller than the inner, more rarely larger, but then styles 3. 9
9. Leaf-sheaths persistent. Styles 3.—Species 15. South Africa. Leptocarpus R. Br.
Leaf-sheaths deciduous, more rarely persistent, but then styles 2.—Species
30. South Africa. (Including Lamprocaulos Mast.) Elegia L.
10. (1.) Leaf-sheaths persistent.—Species 100. South Africa. (Plate 13.) Restio L.
Leaf-sheaths, at least the upper ones, deciduous. Spikelets few-flowered. 11
11. Ovary and fruit 2-celled. Female spikelets in short spikes.—Species 1.
South Africa (Cape Colony). Askidiosperma Steud.
Ovary and fruit 3-celled.—Species 15. South Africa. Dovea Kunth

[FAMILY 23.] MAYACACEAE

Herbs. Leaves alternate, linear, 2-toothed at the apex. Flowers in axillary, 2-3-flowered umbels, regular, hermaphrodite. Perianth consisting of 3 imbricate sepals and 3 imbricate petals. Stamens 3. Anthers opening by a terminal pore. Ovary superior, 1-celled, with 3 parietal placentas. Ovules numerous, straight. Style and stigma simple. Fruit capsular. Embryo at the apex of the mealy albumen.

Genus 1, species 1. Southern West Africa (Angola). Mayaca Aubl.

RESTIONACEAE.

FLOW. PL. AFR.

Pl. 13.

J. Fleischmann del.

Restio compressus Rottb.