34 SOUTH NIGERIAX PLANTS 



lanceolatis ; verticillo ^mmo concavo-hemispliaerico petaloideo ; 

 verticillo secmido profuDde in lacinias angustas et puberulas 

 patentes fisso ; verticillo interiore margine multifido inflexo ; 

 Maminibus circ. 24 filamentis membranaceis latis ; disco annular! ; 

 cvario carnoso loculis 5, stylo pentagono, stigmate disciformi 

 pentagouo. (PI. 4b.) 



Oban ; n. 997. 



Leaves 17-18 cm. long, 7" 5-8*0 cm. 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 laciniae ; 

 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. 



Flowers solitarj- or in 2's or 3's, very rarely more numerous. 

 a. Flowers small, 22-25 mm. in diam. 



Leaves small, 9-10*5 cm. long, apex very acuminate. 



1. iV. ^ar«(/7ora Bak. fil Oban. 



^. Flowers small, + 26 mm. in diam. 



Leaves large, + 18-25 cm. long, shortly and bluntly 

 acuminate. 



2. N. Mannil Miers Fernando Po. 



y. Flowers medium-sized or lai'ge. 

 (a) Corolla ultramarine-blue. 



Leaves oblong-ovate, 11-15 cm. long. 



3. N. imperialis Beauv Benin. 



(6) Corolla reddish-purple. 



Leaves oblong-elliptical, 9-14 cm. long. 



4. N. Heudelotii Juss Senegambia. 



(c) Corolla exterior portion yellow, inside reddish. 

 Leaves elliptical, rather small, 8-10 cin. long. 



5. N. Vogelii Hook. & Planch Lagos, Cape Palmas. 



((7) Corolla exterior apricot-yellow, reddish in middle. 

 Leaves oblong-elliptical, 11-16 cm. long. 



6. N. Whitficldii Lemaue Sierra Leone, &c. 



(e) Corolla exterior apricot-j-ellow, interior rose-coloured. 

 Leaves obovate-oblong, 12-19 cm. long. 



7. N. Miersii Hook, fil Trop. W. Africa, Oban. 



(/) Corolla margin pale yellow, purple in middle. 

 Leaves oblong, cuspidate, 15-21 cm. long. 



8. N. cuspidata Miers Old Calabar. 



(g) Corolla at first milky-white, later discolorous. 



Leaves oblong-obovate, cuspidate, 12-20 cm. long. 



