197. OLEACEAE — IC)8. LOGANIACEAE 427 



Fruit a drupe with a bony, woody, or crustaceous endocarp and i, rarely 

 2 seeds. Inflorescences usually axillary. — Species 15. Some of them, 

 especially the olive {0. europaea L.), yield timber, edible fruits, oil, and 

 medicaments, or serve as ornamental plants Olea L. 



SUBORDER GENTIANINEAE 



FAMILY 198. LOGANIACEAE 



Shrubs or trees. Juice not milky. Leaves opposite or whorled, entire, 

 rarely toothed or lobed ; stipules well developed or reduced to a transverse 

 ridge or line connecting the leaf-stalks. Calyx-lobes 4 — 5. Petals 4 — 16, 

 united below. Stamens as many as or fewer than the petals, inserted on the 

 corolla. Ovary superior, completely or incompletely 2-, rarely 4-celled, with 

 2 or more inverted ovules in each cell. Style simple or 4-cleft. Seeds album- 

 inous. — Genera 14, species 240. Tropical and South Africa. (Plate 127.) 



1. Glandular hairs present. Corolla-lobes 4, imbricate in bud. Stamens 



4. Style simple. [Subfamily BUDDLEIOIDEAE.] 2 



Glandular hairs absent. [Subfamily LOGANIOIDEAE.] .... 8 



2. Anther-halves cohering above, divergent below. Anthers projecting 



beyond the corolla-tube. Filaments inserted at the throat of the 

 corolla. Style long ; stigma small. Ovary incompletely 2-celled. 

 Fruit a capsule. Flowers in terminal panicles. Stipules reduced to a 

 transverse line. Capitate tips of the glandular hairs consisting of several 

 cells. — Species 30. Tropical and South Africa. Some species yield 



timber. (Plate 127.) Nuxia Lam. 



Anther-halves separate. Style short with a thick stigma, rarely rather 

 long, but then flowers in racemes. Capitate tips of the glandular hairs 

 consisting of 2 cells 3 



3. Anthers distinctly projecting beyond the corolla-tube. Filaments inserted 



at the base of the corolla-tube. Ovary 2-celled. Fruit a capsule. 

 Flowers in many-flowered, terminal panicles. Stipules reduced to a 

 transverse line. Trees. — Species 4. South Africa and Madagascar. 



Chilianthus Burch. 

 Anthers concealed within the corolla-tube or scarcely projecting. . . 4 



4. Style long. Ovary 2-celled. Fruit a capsule. Flowers in terminal simple 



racemes. Stipules reduced to a transverse hue. Shrubs. — Species 2. 

 South Africa and southern Central Africa. . Gomphostigma Turc?. 

 Style short. Flowers in capitate, racemose, or panicled inflorescences com- 

 posed of cymes 5 



5. Ovary completely or incompletely 4-celled. Corolla salver-shaped. Fruit a 



globular drupe. Flowers in terminal panicles. Stipules reduced to a 

 transverse line. — Species 2. Madagascar. (Under Bnddleia L.) 



Adenoplea Radlk. 

 Ovary cfimpletely or incompletely 2-celled 6 



