Vol. XIII. No. LI. SEPTEMBER, 1899. 
Price 14s. 
tiff 
Annals of Botany 
EDITED BY 
ISAAC BAYLEY BALFOUR, M.A., M.D., F.R.S. 
QUEEN’S BOTANIST IN SCOTLAND, PROFESSOR OF BOTANY IN THE UNIVERSITY 
AND KEEPER OF THE ROYAL BOTANIC GARDEN, EDINBURGH 
SYDNEY HOWARD VINES, M.A., D.Sc., F.R.S. 
FELLOW OF MAGDALEN COLLEGE, A'ND SHER ARDIAN PROFESSOR OF BOTANY 
. IN THE UNIVERSITY OF OXFORD 
D. H. SCOTT, M.A., Ph.D, F.R.S. 
HONORARY KEEPER OF THE JODRELL LABORATORY, ROYAL GARDENS, KEW 
WILLIAM GILSON FARLOW, M.D. 
PROFESSOR OF CKYPTOG AMIC BOTANY IN HARVARD UNIVERSITY, CAMBRIDGE, MASS., U.S.A. 
ASSISTED BY OTHER BOTANISTS 
London 
HENRY FROWDE, AMEN CORNER, E.C 
©*fovfc 
CLARENDON PRESS DEPOSITORY, 116 HIGH STREET 
1899 
Print e.i by Horace Hart, at the Clarendon Press, Oxford . 
