Vitex.| CI, VERBENACEE (BAKER). 331 
5-foliplate ; leaflets distinctly stalked, oblong, 4 in. long, 2 in. broad, 
shortly acuminate, narrowed to the base, entire, scabrous above, tomen- 
tose beneath. Cymes long-stalked, axillary, dense; pedicels short, 
pubescent ; bracts linear-subulate. Calyx campanulate, pubescent, 
3-4 in. long; teeth very short and broad. Corolla-tube pubescent, a 
little longer than the calyx. Stamens scarcely exserted. 
Nile Land. British East Africa; Uganda, common, Scott-Elliot, 7252 ; 7411! 
Mozamb. Dist. (German East Africa: Kageyi, on Lake Victoria, Fischer, 
476! Uzinja, Stuhlmann, 3576; Kimsani Plateau, Stuhlmann, 3394; Mwanza, 
Stuhlmann, 4187, 4184. 
58. V. Buchneri, Giirke in Engl. Jahrb. xviii. 166. A shrub; 
branches finely tomentose upwards. Leaves long-petioled, 5-foliolate ; 
leaflets very shortly stalked, obovate, 4-5 in. long, apex shortly cuspi- 
date, narrowed to the base, pubescent above, densely ferrugino- 
tomentose beneath... Cymes long-stalked, axillary, lax; branches 
ferrugino-tomentose; pedicels long; lower bracts lanceolate. Calyx 
campanulate, } in. long; teeth lanceolate-deltoid, acute. Corolla-tube 
rather longer than the calyx; anticous lobe cuneate, deeply dentate. 
Stamens shortly exserted. 
Lower Guinea. Angola: Kassambo, Buchner, 574. 
13. AVICENNIA, Linn. ; Benth. et Hook. f. Gen. Plant. ii. 1160. 
Calyx short, 5-partite, not accrescent ; segments oblong, imbricate. 
Corolla-tube short, funnel-shaped ; limb patent, usually 4-lobed, rarely 
5-lobed. Stamens 4, inserted at the throat of the corolla-tube ; filaments 
short, filiform ; anthers ovoid, with parallel cells. Ovary with a 4- 
winged central axis, imperfectly 4-celled; cells l-ovuled ; style short, 
bifid at the stigmatose apex; ovules pendulous from the central axis. 
Fruit capsular, compressed, 2-valved. Seed by abortion usually solitary ; 
coats of the ovule imperfectly developed; cotyledons longitudinally 
folded ; radicle inferior, villous ; plumule growing out before the seed 
falls, as in Rhizophora.—Shrubs or trees. Leaves opposite, entire, 
coriaceous, petioled. Flowers small, aggregated in globose heads, each 
flower subtended by a bract and a pair of bracteoles. 
Species 3 or 4, inhabiting the tropical shores of both hemispheres. 
Corolla-lobes white, pubescent inside . 1. A. africana. 
Corolla-lobes bright yellow, glabrous inside . 2. A. officinalis. 
1, A. africana, P. Beawy, Fl. Owar. i. 80, t. 47; Schauer in DC. 
Prod. xi. 699. A shrub or tree, reaching to a height of 40 ft. Leaves 
lanceolate or oblong-lanceolate, 3-6 in. long, 1-1} in. broad at the 
middle, acute or obtuse, narrowed gradually to a short petiole, very 
coriaceous, dull green above, clothed with thin whitish or drab tomentum 
beneath. Spikes produced from the axils of the leaves and forming a 
small terminal panicle ; peduncles finely tomentose ; bracts broad, ovate. 
4-j in. long. Calyx-segments small, oblong. Corolla-lobes as long as 
the tube, white, pubescent on both surfaces. Style 4's-y'y in. long. 
