I47- OCHNACEAE 359 



FAMILY 147. OCHNACEAE 



Leaves alternate, undivided, itsually stipulate. Flowers in racemes or 

 panicles, rarely solitary, hermaphrodite. Sepals free or nearly so, imbricate 

 in bud. Petals free, with imbricate or contorted aestivation. Stamens 

 hypogynous or nearly so. Anthers adnate, 2-celled, usually opening by 

 apical pores. Receptacle usually prolonged into a gynophore. Carpels 

 almost free, but with a common style, or united. Style undivided or cleft. 

 Ovules with a ventral raphe. Embryo of the seeds rather large. — Genera 7, 

 species 150. Tropical and South Africa. (Plate 97.) 



1. Fertile stamens 5. Petals usually white or red. Seeds albuminous. 



Herbs or undershrubs 2 



Fertile stamens 10 or more ; no staminodes. Petals usually yellow. 

 Seeds exalbuminous. Shrubs or trees 4 



2. Anthers opening by apical pores. Staminodes absent. Ovary 3-celled 



with T pendulous ovule in each cell. Leaves glandular. Flowers in 

 racemes. — Species 2. South Africa (Cape Colony). Roridula L. 

 Anthers opening by longitudinal slits. Staminodes present. Ovary i- 

 celled or 3-celled at the base, with numerous parietal ovules. [Tribe 

 LUXEMBOURGIEAE.] 3 



3. Staminodes in one row, 5, petalTike, adnate below to the fertile stamens- 



Flowers in cymes. — Species 2. West Africa. . . Vausagesia Baill- 



Staminodes in two rows, the 5 inner petal-hke, free, but twisted into a tube, 



the outer numerous, thread-shaped. Flowers usually solitary. — Species 



2. Tropical and South Africa. Used medicinally. Saiivagesia L. 



4. Ovary i, one-celled or two-celled at the base, with numerous basal ovules. 



Style 2-cleft. Stamens numerous, in 3 — 5 indistinct rows. Sepals 

 enlarged and wing-hke in fruit. Fruit a woody capsule. — Species i 

 (L. alata Banks). Central Africa. Yields timber, oily seeds, and 

 medicaments. (Tribe LOPHIREAE.) .... Lophira Banks 

 Ovaries 3 — 15, free, with one ovule in each and with a common style. 

 Stamens in 2 — 3 rows. Sepals not wing-Hke. Fruit a drupe or con- 

 sisting of several drupes. [Tribe OURATEEAE.] 5 



5. Stamens numerous, in 3 rows. Filaments as long as or longer than the 



anthers. — Species 80. Tropical and South Africa. Some species 



yield timber or dye-stuffs. (Plate 97.) Ochna L. 



Stamens 10, in 2 rows. Filaments shorter than the anthers or wanting. 6 



6. Anthers borne upon distinct filaments, oblong, smooth, opening by longi- 



tudinal shts or by apical pores which later on are prolonged into slits. 

 Ovules, seeds, and embryo curved. Flowers in few-flowered clusters. — 



Species 3. East Africa Brackenridgea A. Gray 



Anthers subsessile, linear, wrinkled or warty, opening by apical pores. 

 Flowers in many-flowered panicles or racemes. — Species 60. Tropics. 

 {Gomphia Schreb.) Ouratea Aubl. 



