528 219- RUBIACEAt 



109. Style much projecting beyond the corolla-tube. Flowers in cymose 



corymbs. (See 96.) Tarenna Gaertn. 



Style not or slightly projecting beyond the corolla-tube no 



no. Corolla-tube as long as or slightly longer than the limb. Calyx-segments 

 awl-shaped. Anthers included. Style hairy. Flowers in clusters, 

 yellowish-red. — Species i. South Africa. Yields timber. 



Burchellia R. Br. 



Corolla-tube considerably longer than the limb. — Species 85. Tropical 



and South Africa. Some species yield timber, poison, a substitute for 



soap, dyes, or medicaments, or serve as ornamental plants. (Including 



Genipa L. partly, Mitriostigma Höchst., and Stylocoryne Cav.) 



Randia Houst. 



111. Seed-coat membranous or leathery. (See no.) . . . Randia Houst. 

 Seed-coat fibrous 112. 



112. Corolla-tube slightly longer than the limb. Stamens inserted in the 



tube, included. Fruit with a leathery rind. Flowers in fascicles. — 

 Species 2. Madagascar. (Including Tamatavia Hook, fil.) 



Chapeliera A. Rich 

 Corolla-tube considerably longer than the limb. Stamens inserted at the 

 throat, exserted. Fruit a berry. Flowers in corymbs. — Species 35. 

 Central and South Africa. Some have edible fruits or serve as orna- 

 mental plants Oxyanthus DC. 



113. (102.) Inflorescences lateral. Ovules 4 — 8 in each ovary-cell. . . 114 

 Inflorescences terminal or terminal and lateral. Ovules numerous in 



each ovary-cell 119 



114. Placentas thick 115 



Placentas thin 117 



115. Flowers without an epicalyx. Calyx with awl-shaped segments. Stamens 



inserted in the corolla-tube. — Species i. Madagascar. 



Flagenium Baill. 

 Flowers with an epicalyx n6 



116. Inflorescences borne upon a broadened, leaf-like stalk. Calyx 5-toothed. 



Corolla glabrous at the throat. Anthers included. — Species 3. Mada- 

 gascar Canephora Juss. 



Inflorescences sessile or borne upon a not broadened stalk. Anthers 

 exserted. (See 98.) Tricalysia A. Rich. 



117. Flowers large, with an epicalyx of partly leaf-like bracts. Corolla salver- 



shaped, hairy at the throat. Anthers far exserted. — Species i. West 



Africa Probletostemon K. Schum. 



Flowers small, without an epicalyx 118 



118. Style-branches hairy. Seeds i — 2. Shrubs. Stipules long. — Species 



4. Madagascar Hypobathrum Blume 



Style-branches glabrous. Seeds 3 or more. Trees. Stipules short. — 

 Species i. Madagascar Paragenipa Baill. 



