96. SAXIFRAGACEAE — 97. PITTOSPORACEAE — 98. CUNONIACEAE 235 



Ovary half-inferior. Flowers 5-merous. Petals valvate in bud. Seeds 

 albuminous. Leaves glandular -serrate. Flowers in panicles or in 



umbel-shaped cymes 10 



10. Sepals subulate. Petals ovate. Filaments thin. Seeds oblong. Shrubs 

 with thin branches. Flowers small, polygamous. — Species 2. South 

 Africa and southern East Africa . . ... Choristylis Harv. 



Sepals lanceolate to ovate. Petals linear or oblong. Filaments thick. 

 Trees with thick branches. Flowers rather large. — - Species i. Island 

 of Reunion Forgesia Comm. 



FAMILY 97. PITTOSPORACEAE 



Shrubs or trees. Leave? alternate, undivided, exstipulate. Flowers regular, 

 hermaphrodite. Sepals 5, free or nearly so. Petals 5, free or tmited below. 

 Stamens 5, hypogynous. Disc none. Ovary superior, sessile or short-stalked, 

 i-celled or incompletely 2 — 5-celled. Style simple ; stigma entire or lobed. 

 Ovules numerous, ascending or horizontal, inverted, with a single coat. Fruit 

 a loculicidal capsule. Seeds with a hard albumen and a small embryo situated 

 near the hilum. (Under SAXIFRAGACEAE.) (Plate 61.) 



Genus i, species 35. Tropical and South Africa and Canary Islands. Some 

 are used as ornamental plants Pittosporum Banks 



FAMILY 98. CUNONIACEAE 



Shrubs or trees. Leaves opposite or whorled, stipulate. Flowers in spike-, 

 raceme-, or panicle-like inflorescences, hermaphrodite. Sepals 4 — 5, free or 

 united at the base. Petals 4 — 5. Stamens 8 — 10, inserted beneath the disc. 

 Ovary superior, 2- — 3-celled ; ovules 2 or more to each cell. Styles 2 — 3, free. 

 Fruit capsular. Seeds albuminous. — Genera 3, species 17. South Africa, 

 Madagascar and neighbouring islands. (Under SAXIFRAGACEAE.) 

 (Plate 62.) 



1. Calyx valvate in bud. Petals 3-cleft or 3-toothed, shorter than the calyx. 



Disc perigynous, deeply 4 — 5-lobed. Connective acuminate. Ovary 

 2-celled, with 2 pendulous ovules in each cell. Trees. Leaves of 3 

 leaflets. Stipules free. Flowers in panicles. — Species i. South 



Africa (Cape Colony) Platylophus Don 



Calyx imbricate in bud. Disc 8 — lo-lobed. Stipules united in pairs. 

 Flowers in clusters arranged in spikes or racemes 2 



2. Disc perigynous, adnate to the base of the ovary. Stamens 10. Ovary 



2-celled, with numerous ovules. Seeds compressed, with a narrow wing. 

 Leaves compound, with ^ or more leaflets. — Species i. South Africa. 



Yields timber. Cunonia L. 



Disc hypogynous, free from the ovary. Seeds hairy. — Species 15. Mada- 

 gascar and the neighbouring islands. Some species yield timber, tans, 

 dyes, and medicaments. (Plate 62.) Weinmannia L. 



