THE 
NEW PHYTOLOGIST. 
A BRITISH BOTANICAL JOURNAL, 
EDITED BY A. G. TANSLEY, M.A., F.R.S. 
UNIVERSITY LECTURER IN BOTANY, CAMBRIDGE, 
IN CONSULTATION WITH THE STAFF OF THE CAMBRIDGE BOTANY SCHOOL 
VOLUME XVI. 
PP. VII AND 276. 
WITH ONE PLATE AND NUMEROUS FIGURES IN THE TEXT. 
LONDON, 1917. 
WILLIAM WESLEY & SON, 
28 Essex Street, Strand. 
