3i>0 IO9. PENAEACEAE — I70. OLINIACEAE — I7T. TH YMELAEACEAE 



2. Flowers in the axils of coloured bracts, crowded in terminal spikes or 



heads. Bracteoles 2. Filaments much shorter than the anthers. 

 Anthers turned inwards in the bud ; cells equalling the connective. — 

 Species i. Cape Colony. (Under Endonema Juss.) 



Glischrocolla A. DC. 

 Flowers in the axils of foliage-leaves, not crowded. Bracteoles 4. Fila- 

 ments nearly as long as or longer than the anthers. Anthers turned 

 outwards in the bud ; cells much shorter than the connective. Seeds 

 with an outgrowth at the top. — Species 2. Cape Colony. 



Endonema A. Juss. 



3. Ovary and style 4-angled or 4-winged. Ovules 2 in each cell. Stamens 



very short. — Species 20. Cape Colon}'. (Including Stylapterus Juss.) 



Penaea L. 

 Ovary and style cylindrical. Style simple 4 



4. Calvx-tube short, oblong-oval, somewhat longer than the sepals. Stamens 



slightly exceeding the calyx-tube ; filaments short. Ovules 2 in each 

 cell. — Species 6. Cape Colony. (Under Sarcocolla Kunth). 



Brachysiphon A. Juss. 



Calyx-tube long, cylindrical, much longer than the sepals. Stamens much 



exceeding the calyx-tube ; filaments long. Anthers-cells almost equalling 



the connective. — Species 5. Cape Colony. Used as ornamental 



plants. (Plate 108.) ' Sarcocolla Kunth 



FAMILY 170. OLINIACEAE 



Shrubs or trees. Leaves opposite, entire, without stipules. Flowers in 

 terminal cymose inflorescences, regular, 4 — 5-merous. Calyx petaloid, white 

 or red. Petals much smaller than the sepals, white, valvate in bud. Fertile 

 stamens 4 — 5, opposite to the petals, usually alternating with scale-like stam- 

 inodes. Anthers nearh' sessile, with a large connective. Ovary inferior, 

 3 — 5-celled. Ovules 2 — 3 in the inner angle of each ovar^'-cell, inverted, the 

 raphe turned outwards. Style simple ; stigma entire. Fruit a drupe. Seeds 

 exalbuminous ; embryo with folded cotyledons. (Under LYTRHACFAE, 

 MELA STOMA TA CEA E, or RH A MNACEA E.) 



Genus i, species 7. South and Central Africa. Some species 3neld timber. 



Olinia Thunb. 



FAMILY 171. THYMELAEACEAE 



Lea\'es entire, without stipules. Flowers 4 — 5-merous. Sepals petaloid. 

 Petals usually present. Stamens as many as and opposite to the petals, 4, or 

 twice as many, 8 or 10. Anthers opening by longitudinal slits. Ovary superior, 

 I — 5-celled. Ovule I in each cell, pendulous, inverted, with a ventral raphe. 

 Style simple ; stigma entire. Fruit a drupe or a nut. Embryo large, straight. 

 — Genera 17, species 250. (Plate 109.) 

 I. Receptacle flat. Sepals free. Petals none, but 4 — 10 scales placed singly 

 or in pairs opposite to the sepals. Stamens 8 — 10, hypogynous. Ovary 



