298 XCV. BOHAGINE^. 



Tribe 1. CoRDiEiE. 

 1. CORDIA, Plum. 



Calyx tubular, 4-5-tootlied (rarely 3-6-8-tootlied). Corolla 

 funnel or salver-shaped ; limb 4-5-parted (rarely 6-12). Style 

 twice 2-fid, mostly exserted. Drupe ovate or globose, pulpy, 

 girt with the persistent calyx. — DC. Prod. ix. p. 471. 



Trees or ehrubs, mostly tropical, with often handsome flowers. — There 

 are 2 or more South African species, natives of the interior and Natal. 



Tribe 2. Ehretie^. 

 2. EHRETIA, Linn. 



Calyx 5-lobed, valvate or imbricate in bud. Corolla salver- 

 shaped or subrotate, the tube long and cylindrical, or short 

 (sometimes very short), subcampanulate ; lobes 5, imbricate. 

 Stamens with subulate filaments, exserted ; anthers ovate. 

 Ovary 4-celled ; style 2-fid or 2-parted ; stigmas mostly capi- 

 tellate. Berry either fleshy or nearly dry. Seeds with little 

 or no albumen. — DC. Prod. ix. p. 502 ; Thes. Cap. t. 6. 



Shrubs or small trees, chiefly tropical. Leaves alternate or tufted, en- 

 tire. Flowers cymoso-corymbose. — 2 (or more) species, in the Eastern dis- 

 trict. 



3. TOURNEFORTIA, Linn. 



Calyx 5-4-parted. Corolla salver-shaped, nude in the 

 throat. Stamens 5-4, included. Style mostly short, rarely ; 

 stigma undivided or 2-lobed, peltate, subconical. Fruit either 

 of 2 undivided, 2-celled, 2-seeded carpels, or 4-parted. — DC. 

 Prod. ix. p. 513. 



Erect or climbing shrubs, rarely herbs. Leaves alternate, entire, mostly 

 petioled. Scorpioid cymes nude, branching ; corolla white or yellowish. — 

 T. tuberculosa^ Cham., our only species, is half herbaceous. Easteni dis- 

 trict. 



Tribe 3. HELiOTROPEiE. 

 4. HELIOTROPIUM, Tourn. 



Calyx 5-partcd or rarely 5-toothed, persistent. Corolla 

 salver-shaped, the throat open, sometimes bearded, the lobes 

 of the limb with a simple plait, or rarely with an intermediate 

 tooth. Style short ; stigma subconical. Nuts 4, 1-locular, 

 the young cohering at base, at length separable, not on a 

 common receptacle. — DC. Prod. \x.p. 531.' 



Herbs or undershrubs, villous or glabrous. Leaves entire or toothed, 

 rarely opposite. Cymes scorpioid ; corolla white or purplish. — A large 

 tropical genus, of which some 5 species are South African. 



