34 SOUTH NIGERIAN PLANTS 
lanceolatis ; verticillo primo concavo-hemisphaerico petaloideo ; 
verticillo secundo profunde in lacinias angustas et puberulas 
patentes fisso; verticillo interiore margine multifido inflexo ; 
staminibus circ. 24 filamentis membranaceis latis ; disco annulari j 
ovario carnoso loculis 5, stylo pentagono, stigmate disciformi. 
pentagono. (Pl. 4B.) 
Oban; n. 997. 
Leaves 17-18 cm. long, 7:5-8:0 em. broad; petiole about 6 mm. 
long. Calyx about 11 mm. long, laciniae + 9 mm. long. First 
petaloid verticil about 42 mm. in diameter, concave, hemispherical; 
second verticil deeply cut into narrow puberulous, patent laciniæ ; 
interior verticil with multifid margin. 
The paniculate inflorescence is a noticeable feature of this species. 
Named after the late Governor of Southern Nigeria, Sir Walter 
Egerton. 
CLAVIS OF SPECIES OF NAPOLEONA. 
A. Flowers solitary or in 2's or 3's, very rarely more numerous. 
a. Flowers small, 22-95 mm. in diam 
Leaves small, 9-10°5 cm. long, apex very acuminate. 
EN pororaa Bak BE. AOR ELDELE bue 
B. Flowers small, + 26 mm. in diam. 
Leaves large, + 18-25 cm. long, shortly and bluntly 
acuminate. 
2. N. Mannii Miers................... are Fernando Po. 
y. Flowers medium-sized or large. 
(a) Corolla ultramarine-blue. 
Leaves oblong-ovate, 11-15 cm. long. 
B. Imperiale BERN SN anne. Benin. 
(b) Corolla reddish-purple. 
Leaves oblong-elliptical, 9-14 em. long. 
Eee I Senegambia. 
(c) Corolla exterior portion yellow, inside reddish. 
Leaves elliptical, rather small, 8-10 cm. long. 
5. N. Vogelit Hook. & Planch.................... Lagos, Cape Palmas. 
(d) Corolla exterior apricot-yellow, reddish in middle. 
: Leaves oblong-elliptical, 11-16 cm. long. 
6. N. Whitfieldü Lemaire ............................ Sierra Leone, &c. 
(e) Corolla exterior apricot-yellow, interior rose-coloured. 
Leaves obovate-oblong, 12-19 cm. long. 
V. NS Miers Hook. Bl... Ss een Trop. W. Africa, Oban. 
: (f) Corolla margin pále yellow, purple in middle. 
Leaves oblong, euspidate, 15-21 cm. long. 
BEN: ouspidata Mibi. in Lo o Old Calabar. 
(g) Corolla at first milky-white, later discolorous. 
Leaves oblong-obovate, cuspidate, 12-20 cm. long. 
