Annals of Botany 
\ 
EDITED BY 
ISAAC BAYLEY BALFOUR, M.A., M.D., F.R.S. 
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, AND SHERARDIAN PROFESSOR OF BOTANY 
IN THE UNIVERSITY OF OXFORD 
AND 
WILLIAM GILSON FARLOW, M.D. 
PROFESSOR OF CRYPTOGAMIC BOTANY IN HARVARD UNIVERSITY, CAMBRIDGE, MASS., U.S.A. 
ASSISTED BY OTHER BOTANISTS 
VOLUME IV 
With XXII Plates* in part coloured, and 13 Woodcuts 
London 
HENRY FROWDE. AMEN CORNER, E.C. 
OXFORD: CLARENDON PRESS DEPOSITORY, 116 HIGH STREET 
I889-I89I 
