TRANSACTIONS 
OF THE 
ROYAL SOCIETY OF SOUTH AFRICA. 
VOL. III. 
A EEVISION OF THE GENUS ALEPIDEA, Delaroche. 
By E. Dummer. 
(Communicated by Prof. H. H. W. Pearson. Eead May, 15, 1912.) 
(Plate I.) 
In undertaking the revision of this genus I have availed myself of the 
exceptional facilities prevailing at Kew and at the British Museum for 
work of this nature, and I gladly avail myself of this opportunity of 
expressing my indebtedness to the authorities of these institutions. 
Mr. Medley Wood, Director of the Natal Herbarium, courteously 
communicated several herbarium specimens from that region, among 
which two species new to science were included. My thanks are also due 
to Mons. F. Gagnepain, of the Paris Herbarium for making my brief stay 
at that institution as profitable as possible, and in conclusion I tender my 
deep obHgations to Mr. N. E. Brown, of the Kew staff, who has most 
kindly given me the benefit of his valuable advice and criticism. 
Alepidea is an umbelliferous genus comprising approximately 23 
species, all natives of Africa, most closely allied to Eryngium, a widely 
diffused group, from which it differs, however, in the more or less flattened 
receptacle, the absence of additional involucral bracts and the lack of 
bracteoles between the flowers — a character expressed by the generic 
name. Founded in 1808 by Delaroche on a specimen from the Cape of 
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