428 • 198. LOGANIACEAE 



6. Fruit a globular drupe. Seeds with a small embryo. Ovary completely 



2-celled. Corolla salver-shaped. Inflorescences lateral, racemiform. 

 Leaves toothed, with foliaceous stipules. — Species 2. Madagascar. 



Adenoplusia Radlk. 

 Fruit an oblong berry or an oblong or ovate capsule 7 



7. Fruit a berry. Seeds with a comparatively large embryo. Ovary in- 



completely 2-celled. Corolla salver-shaped. Inflorescences capitate. 

 Shrubs. — Species 7. Madagascar and the neighbouring islands. 



Nicodemia Ten. 



Fruit a capsule. Seeds with a small embryo. — Species 18. Tropical 



and South Africa. Some species yield timber, dye-stuffs, a substitute 



for soap, and medicaments, or serve as ornamental plants. Buddleia L. 



8. (i.) Style 4-cleft. Ovary 2-celled with 2 ovules in each cell. Corolla 



funnel-shaped, 4 — 5-lobed, imbricate in bud. Stamens 4 — 5. Fruit a 

 capsule. Leaves entire. Stipules triangular or united into a sheath. 



[Tribe GELSEMIEAE.] 9 



Style simple. Ovules with several or many ovules in each cell, rarely 

 with 2, but then corolla valvate in bud 10 



9. Flowers in few-flowered cymes enclosed by two large involucral bracts 



united at the base. Stamens unequal in length. — Species 6. Central 



Africa. (Under Mostuea Didr.) .... Coinochlamys Anders. 



Flowers Without an involucre. — Species 25. Tropics. Mostuea Didr. 



10. Corolla with imbricate or contorted aestivation ; segments 5-16. Stamens 



the same iri number ' . 11 



Corolla with valvate aestivation ; segments 4 — 5. Stamens the same in 

 number or fewer. Stipules reduced to a transverse line. Inflorescences 

 terminal and lateral 12 



11. Calyx with 4, corolla with 10 — 16 segments. Anthers long and narrow. 



Disc present. Ovary 4-celled below, 2-celled above. Fruit a berry. 

 Inflorescences terminal. — Species 20. Tropical and South Africa. 

 Some species have edible fruits or are used in medicine. [Tribe FRA- 



GRAEEAE.] Anthocleista Afz. 



Calyx and corolla with 5 segments each. Anthers short. Ovary 2- 

 celled. Fruit a capsule. Inflorescences lateral. — Species 10 Mada- 

 gascar and Mascarenes. Some species yield timber. [Tribe LOGAN- 

 lEAE.] . Geniostoma Forst. 



12. Calyx-segments very unequal, one of them much larger than the others 



and petal-like. Corolla salver-shaped, 4-lobed. Stamen i. Ovary 2- 

 cellcd with numerous ovules. Fruit a capsule. Seeds winged. Climbing 

 shrubs. — Species i. West Africa. [Tribe ANTONIEAE.] 



Usteria Willd. 

 Calyx-segments nearly equal. Stamens 4 — 5 13 



13. Corolla tubular, red. Ovules 2 — 3 in each ovary-cell. Fruit a caps.ule. 



Leaves whorled, linear. Flowers few, terminal or arising in the upper 

 leaf-axils. Shrubs. — Species i. South Africa. . Retzia Thunb. 



