Published by WHELDON & WESLEY, Ltd., London 
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 
T HE NEW PHYTOLOGIST was founded in 1902 to afford a medium 
for the publication of original papers, critical articles and reviews, 
summaries of recent advances in botanical knowledge, and occasional 
notes and correspondence on botanical topics. Preference is given to 
those contributions dealing with matters of general interest to botanists 
and to those branches of science undergoing rapid current development. 
The journal is well illustrated, and is issued each year in five numbers. 
The minimum size of the annual volume is 240 pages 8vo. Annual 
subscription price, as from the beginning of 1921, £1, 55. post free. 
Separate numbers 7s. 6d. each. 
Vols. 1, 3, 6, 7, 10, 11, 12 and 19 are out of print. Vols. 2, 4, 5, 8, 9, 
13-18, and 20, £1. 5s. each. 
NEW PHYTOLOGIST REPRINTS 
No. 6. THE VEGETATION OF JAPAN. By H. Takeda. Pp. 21. 
Price 25. net. 
No. 7. THE INTER-RELATIONSHIPS OF THE FLAGELLATA 
AND PRIMITIVE ALGvE. By F. Cavers. Pp. vi and 52, 
with Literature List and Phylogenetic Tables, and numerous 
Figures in the Text. Price 45. net. 
No. 8. THE CLASSIFICATION OF CONIFERS. By W. T. Saxton. 
Pp. 21, with Bibliography and a Phylogenetic Table. Price 
25. net. 
No. 9. A REVIEW OF LITERATURE CONCERNING THE EVOLU¬ 
TION OF MONOCOTYLEDONS. By N. Bancroft. Pp. 24, 
with Bibliography and 4 Diagrams. Price 25. net. 
Nos. 11 and 12. See back of cover. 
WHELDON & WESLEY, Ltd., 2, 3 & 4 Arthur St, New Oxford St, 
London, W.C. 2 
