VERNALIZATION 



and 



PHOTOPERIODISM 



A SYMPOSIUM 

 by A. E. MURNEEK and R. O. WHYTE 



t^th H. A. Allard, H. a. Borthwick, Erwin Bunning, 

 G. L. FuNKE, Karl C. Hamner, S. B. Hendricks, A. 

 Lang, M. Y. Nuttonson, M. W. Parker, R. H. Roberts, 

 S. M. Sircar, B. Esther Struckmeyer and F. W. Went 



Foreword by Kenneth V. Thimann 



1948 



WALTHAM, MASS., U.SA. 

 Published by the Chronica Botanica Company 



