292 XCiri. YERBENACE^. 



rolla funuel- or salver-sliaped ; tiihe mostly mucli longer than 

 the calyx ; lirab 5-parted, lobes subequal. Stamens 4, much 

 exserted, subdidyuamous. Ovary 4-celled ; cells 1-ovuled, 

 ovule pendulous ; style filiform, exserted ; stigma 2-fid, acute. 

 Drupe juicy or fleshy, contained in the enlarged calyx, mostly 

 2-4-lobed, containing 4 or fewer 1-celled pyrenes. — DC. Frod. 

 x\. p. 658. 



Shrubs or trees, chiefly tropical. — C. glabrnm, Sond., the only Cape spe- 

 cies, occurs in the Eastern district and Catfraria. 



10. CYCLONEMA, Hochst. 



Calyx short, bell-shaped, 5-fid. Corolla irregular, the tube 

 reclinate ; limb unequally 5-lobed, 2-labiate, spreading, the 

 after segment resupinate, concave-galeate, the rest flat. Sta- 

 mens 4, subdidyuamous much exserted ; filaments ascending, 

 hairy at base, in the bud rolled up under the galea ; anthers 

 sagittate, cells parallel. Ovary 4-celled ; cells 1-ovulate ; 

 style filiform, longer than the stamens ; stigma 2-fid. Drupe 

 scarcely fleshy, with 4 or fewer pyrenes, lobed, sitting in the 

 small calyx. — DC. Frod. xi. p. 675 ; Thes. Cap. t. 27. 



Shrubs or small undershrubs, almost herbaceous, with opposite or ternate, 

 simple leaves, and axillary, few-flowered, trichotomous cymes, sometimes 

 reduced to 1-flowered, 2-bracteolate peduncles. — 3 or 4 species, near Natal. 



11. VITEX, Linn. 



Calyx cup-like, bell-shaped or funnel-shaped, 5-toothed or 

 5-fid. Corolla 2-labiate, the upper Hp 2-fid, the lower 3-fid, 

 the middle segment larger than the rest and projecting ; throat 

 often enlarged. Stamens 4, didynamous, ascending, exserted ; 

 anthers obcordate. Ovary 4-celled ; cells 1-ovuled ; style 

 fiUform, 2-fid. Drupe in the enlarged and often torn calyx, 

 juicy, with one 4-celled pyrene. — DO. Frod. xi. p. 682. 



Trees or shrubs, chiefly tropical. Leaves opposite, mostly digitate, 

 rarely 1-foliolate. Cymes trichotomous or simple, axillary or panicled. — 

 3 Cape species, from the Eastern district and Natal. 



Tribe 3. AyicENis'iEiE. 

 12. AVICENNIA, Linn. 



Calyx 5-parted, equal, the sepals concave, obtuse, imbricate. 

 Corolla-tube short, bell-shaped ; limb 4-fid, the back lobe 

 mostly broader and shorter. Stamens 4, glabrous, shortly 

 exserted, subequal ; anther-cells distinct, collateral. Ovary 

 sessile, ovate, without style, or conoid, tapering into a style, 

 silky, 2-celled ; ovules in pairs, collateral, pendulous, 1 only 

 fertilized ; stigmata 2, small. Fruit obliquely ovate, com- 



