Vol. XXII, No. I 
20 February, 1923 
THE 
NEW PHYTOLOGIST 
•% 
A BRITISH BOTANICAL JOURNAL 
EDITED BY 
A. G. TANS LEY, M.A., F.R.S. 
UNIVERSITY LECTURER IN BOTANY 
CAMBRIDGE 
IN CONSULTATION WITH THE STAFF OF 
THE CAMBRIDGE BOTANY SCHOOL 
CONTENTS 
PAGE 
Permeability ( continued ). By Walter Stiles. Chapter XL The Deter¬ 
mination of the Permeability of Plant Cells to Dissolved Substances . i 
Physiological Studies in Plant Anatomy {concluded). VI. Etiolation. 
By J. H. Priestley and J. Ewing. .30 
. 
Laboratory Note. By C. Hunter and E. M. Rich. An Apparatus for the 
Measurement of Stem Elongation ....... 44 
Forthcoming Meeting of the 
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