Volume LVIII 



Number 6 



THE 



1 



Editor: JOHN M. COULTER 



DECEMBER 1914 



The* Transpiration of Emersed Water Plants: Its Measure- 



ment and Its Relationships 



Charles Herbert Otis 



Contributions to the Knowledge of the Diaphragms of 



Water Plants. I 



Laetitia M. Snow 



Fasciation 



M. A. Brannon 



Briefer Articles 



Philippe Edouard Leon van Tieghem J. M. C. 



Retention of Chlorophyll through the Paraffin Process E. G. Anderson 



Current Literature 



The University of Chicago Press 



CHICAGO. ILLINOIS, U.S.A. 



Agents 



THE CAMBRIDGE UNIVERSITY PRESS. London and Edinburgh 



KARL W. HIERSEMANN, Leipzig 

 THE MARUZENKA8USHIia-K4IEHA. Tokyo, 0**k« 9 Kpoio 



