Prevostea. | XC, CONVOLVULACE& (BAKER AND RENDLE), 83 
lin. long at the flowering time; sepals very unequal, the outer orbicular, 
very accrescent, finally scariose, 2 in. in diam. Corolla campanulate, 
pubescent, 14-2 in. long to 14 in. in diam.; lobes ovate. Stamens 
shorter than the corolla-tube. Style bifid to the middle. Capsule not 
seen.—Hallier f. in Engl. Jahrb. xviii. 92; De Wild. & Durand in 
Comptes-rendus Soc. Bot. Belg. xxxix. 71. Breweria campanulata, 
Baker in Kew Bulletin, 1894, 68. B. mirabilis, Baker ex Oliv. in 
Hook. Ic. Pl. +. 2276. 
Upper Guinea. Gaboon: Munda; Sibange Farm, Soyaux, 79, 80! 
4. P, Heudelotii, Hallier f. in Bull. Herb. Boiss. v. 1009. A climb- 
ing shrub; branchlets terete, glabrous, woody, pale brown. Leaves 
ovate-elliptic, obtuse, shortly acuminate, coriaceous, glabrous on both 
surfaces, rounded at the base, 3-5 in. long, 2-23 in. broad; petiole 
3-1 in. long. Flowers crowded in the leaf-axils; peduncle none; 
pedicels short, up to 6 lin. long, densely hoary, pubescent, like the 
bracteoles and calyx, with a pair of small opposite ovate-elliptic, con- 
cave bracteoles at the middle about 1 lin. long. Outermost sepal sub- 
coriaceous, orbicular, with subcordate base, 24 lin. long, the second 
similar but rather narrower, the 3 inner suborbicular, 2 lin. long, much 
thinner, the 2 outer enlarging in the fruit as in P. africana, Corolia 
7-1 in. long; tube campanulate; lobes spreading, ovate, 4 lin. long. 
Stamens included in the corolla-tube ; filaments glabrous. Style un- 
equally bifid above the middle. Fruit as in P. africana.—Breweria 
Heudelotii, Baker ex Oliv. in Hook. Ic. Pl. t. 2276, and in Kew Bulletin, 
1894, 68. 
Upper Guinea. Senegambia, Heudelot, 864! Sierra Leone: Duunia, Talla 
Hills, Scott-Elliot, 5018! Berria, Falaba, Scott-Elliot, 5230! Mount Gonkwi, 
Scott-Elliot, 4866 ! 
Var. minor, Rendle. Leaves up to 34 in. long by 2 in. broad; lateral veins 7-8 
on each side, more regular than in the type. Corolla 8-9 lin. long, narrower with 
smaller and less spreading lobes. 
Upper Guinea. (Gold Coast: Dawodu, 585! Aburi Hills, Johnson, 614! 
5. P. Cabrze, De Wild. & Durand in Comptes-rendus Soe. Bot. 
Belg. xxxix. fasc. 3, 70. A shrub 15-20 ft. high; branchlets terete, 
glabrous, lenticellate ; bark exfoliating, grey, scaly. Leaves petioled, 
elliptic, 2-3 in. long, 1-2 in. broad, apex cuneate and obtuse, cuneate 
or rather rounded at the base, quite glabrous on both surfaces ; nerves 
subopposite about 7 on each side of the midrib, slightly prominent 
beneath. Flowers fascicled about 7 together, axillary ; peduncle absent ; 
pedicels slender, barely 6 lin. long, velvety as are the ovate basa] bracts, 
% to nearly 1} in. long! (“1-5-3 cm.” ? mm.). Outer sepals suborbicular, 
about 4 lin. long, obtuse, cordate at the base, hairy on both surfaces ; 
inner similar but paler and half as long. Corolla 1] in. long, pilose 
outside, enlarged towards the 5-lobed apex; lobes triangular, obtuse, 
3 lin. long. Filaments glabrous, about as long as the corolla-tube ; 
anthers lanceolate, 14 lin. long. Ovary glabrous; style unequally bifid, 
8 lin. long ; stigmas small, globular. 
