Prevostea.] xc. convolvulace^e (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, 1^-2 in. long to 1|- 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. Breioeria campanidata, 

 Baker in Kew Bulletin, 1894, 68. B. mirabilis, Baker ex Oliv. in 

 Hook. Ic. PI. t. 227G. 



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, 2-2| in. broad ; petiole 

 h- 1 in. long. Flowers crowded in the leaf-axils ; peduncle none ; 

 pedicels short, up to G 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, 2| 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. Corolla 

 -J-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. PI. t. 2276, and in Kew Bulletin, 

 1894, 68. 



Upper Guinea. Senegambia, Heuclelot, 864 ! Sierra Leone: Duunia, Talla 

 Hills, Scott-Elliot, 5018 ! Bema, Falaba, Scott-Elliot, 5230 ! Mount Gonkwi, 

 Scott-Elliot, 4866 ! 



Var. minor, Rendle. Leaves up to 3J 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. Cabrse, De Wild. & Durand in Comptes-rendus Soc. 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. broacl^ 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 basal 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, lj lin. long. Ovary glabrous; style unequally bifid, 

 8 lin. long ; stigmas small, globular. 



