THE ANNALS 
OF THE 
BOLUS HERBARIUM 
Edited by H. M. L. BOLUS, B.A. 
Vol. Ill, Part II, 1920. 5 s net 
CONTENTS 
A new genus Of Crassulaceae. ( Plate Ilia). — S. Schonland .- Novitates 
Africanae. ( Plates III , IV and V.) Notes on Acmadenia B. and IV. , with 
a description of one new species and one new variety. — R. A. Dummer. The 
Tyson Collection of Marine Algae. — E. Marion D elf and Margaret R. Michell. 
In Memoriam. — W. Tyson (with portrait). — S. Schonland. 
The Annals of the Bolus Herbarium is the first South African Journal entirely 
devoted to botanical work, and is mainly concerned with botanical work directly or 
indirectly inspired by Dr Bolus and with investigations conducted in or in con- 
nexion with the Bolus Herbarium and contributing to our knowledge of the vegeta- 
tion of South Africa— in particular of its taxonomy, ecology, economic and geo- 
graphical botany. 
Four parts constitute a volume, and the subscription price is 15s net per volume. 
Subscriptions Should be sent to Mr C. F. Clay, Cambridge University Press, Fetter 
Lane, London, E.C. 4, either direct or through any bookseller. 
Ready Shortly 
No. 261 
The 
Quarterly Journal of 
Science 
Edited by E. S. GOODRICH and Sir E. RAY LANKESTER, 
with the co-operation of S. J. Hickson, G. C. Bourne, 
J. G. Kerr, E. W. MacBride, G. P. Bidder. 
Royal 8vo. Paper covers 
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