Annals of Botany 
[V*} 
EDITED BY 
ISAAC BAYLEY BALFOUR, M.A., M.D., F.R.S. 
KING’S BOTANIST IN SCOTLAND, PROFESSOR OF BOTANY IN THE UNIVERSITY 
AND KEEPER OF THE ROYAL BOTANIC GARDEN, EDINBURGH 
D. H. SCOTT, M.A., Ph.D., F.R.S. 
HONORARY KEEPER OF THE JODRELL. LABORATORY, ROYAL BOTANIC GARDENS, KEW 
AND 
WILLIAM GILSON FARLOW, M.D. 
PROFESSOR OF CRYPTOGAMTC BOTANY IN HARVARD UNIVERSITY, CAMBRIDGE, MASS., U.S.A. 
ASSISTED BY OTHER BOTANISTS 
VOLUME XVI 
With a Portrait, twenty-six Plates and thirty-one Figures 
in the Text 
Bonbon 
HENRY FROWDE, M.A., AMEN CORNER, E.C. 
OXFORD: CLARENDON PRESS DEPOSITORY, 116 HIGH STREET 
1902 
