2 
Embryo maturus haud visus.—Plukenetia Zenkeri, Pax 
in Bagh Jahrb. vol. xliii. p. 83. 
Tropica, West Arrica: Cameroons ; Bipinde District, Mimfia, 
in virgin forest, Zenker, 2856, 3028, 3676, 4130. 
Dr. Pax, the distinguished authority on the natural family Euphor- 
biaceae, who first described this interesting species, rccsediey it tenta- 
psibd to the genus Plukenetia, Linn., from which, however, it differs 
ving a 3-locular ovary; the ovary in Phukenetia. i is normally 
rs Poctlat. 
There is, as has been pointed out by the author of the genus, a 
certain resemblan nce, both as regards the structure of the male flowers 
and as regards the foliage, in Plagiostyles africana, Prain, and H. Zenkerv. 
The structure of the female ge and fruits is, however, very different 
in the two genera.—O. Sra 
Ftc. 1, male inflorescence; 2, male flower; 3, longitudinal section of male 
flower ; 4, anthers; 5, female flower ; 6, transverse section of ovary ; 7, lon ngi- 
athe t. spongy testa with cavity; i.t. inner 
lining of testa; n.c. nucleus cavity ; sia eine _ emb. ros CaNEER 
All extoiiond, except 1 and 8, which are of natural si 
