248 LXXXI. APOCYNE^. 



suberect ; seeds subcompressed, comose at the scar. — DC. 

 Prod, viii. ^. 424. 



Fleshy, small shrubs, with immense tuberous roots, and twin-thorns on 

 the branches, in the position of stipules. Leaves one to each pair of 

 thorns. Flowers rosy or white toward the end of the branches. — 2 or 3 ? 

 species, natives of the Karroo plains, etc. Scarcely distinct from Adenium. 



Order LXXXII. LOGANIACE^. 



Calyx free, 5-4-lobed or parted. Corolla regular, rarely- 

 irregular, hypogynous, 5-4- or several-lobed, valvate, twisted 

 or imbricate in bud. Stamens on the corolla-tube, commonly 

 as many as the lobes, rarely fewer or more numerous. Ovary 

 2-celled or rarely 3 -1-celled; ovules amphitropous or rarely 

 anatropous ; style simple ; stigma simple or 2-lobed. Fruit 

 capsular or berry-like. Seeds mostly peltate, albuminous. — 

 Shrubs, trees, rarely herbs, with opposite, entire leaves, and 

 interpetiolar stipules, or at least a stipular line connecting the 

 bases of the leaves. 



Tribe 1. Stetchne^. Corolla valvate in bud. Fruit a pulpy berry. 

 Stamens in the throat, exserted ; anthers separate ; 



calyx short 1. Steychnos. 



Stamens in base of tiibe, included , anthers united by 



interwoven hairs ; calyx-lobes slender, longer than 



corolla 2. Brehmia. 



Tribe 2. Btjddleie^. Corolla imbricate in bud. Fruit a dry, septi- 



cidal capsule. 



Stamens much exserted. 



Coi'oUa, after opening, splitting across above the base 3. NuxiA, 

 Corolla not splitting above the base 4. Chilianthus. 



Stamens included or just reaching the throat of corolla- 

 tube 5. BUDDLEA. 



Tribe 1. Stetckxe^. (Oen. 1-2.) 



1. STRYCHNOS, Linn. 



Calyx 5-lobed, short. Coi'olla salver- or funnel-shaped ; 

 the throat nude or bearded ; limb 5-parted, lobes spreading, 

 valvate in bud. Stamens 5, inserted in the throat of the 

 corolla ; filaments short ; anthers more or less exserted. 

 Ovary 2-celled ; style filiform, continuous with the ovary ; 

 ovules many or few. Berry with a riud, 1-celled, many- or 

 few- or 1-seeded ; seeds lying in pulp, discoid, with a ventral 

 scar, velvety or smooth. — DC. Frod. ix. p. 12 ; Thes. Cap. t. 

 164. 



Trees or shrubs, often climbing, chiefly tropical. Leaves 3-5-nerved ; 

 cymes axillary or terminal. — 4 or 5 species, from Eastern frontier and 

 Natal. 



