Volume 45 March 1945 Number 1 



TORREYA 



EDITED FOR 



THE TORREY BOTANICAL CLUB 



BY 



HAROLD H. CLUM 



CONTENTS 



Alternations of Generations and Classification 

 With Special Reference to the Teaching 

 of Elementary Botany Herbert A. Wahl 1 



\n Abnormal Balsam Fir David B. Cook 13 



Book Reviews 



Pathology in Forest Practice E. W. Littlefield 15 



Foundations of Plant Geography Herbert L. Mason 17 



Field Trips of the Club 21 



Proceedings of the Club 27 



Vews Notes 32 



Published for the Club 



By the Free Press Printing Company 

 187 College Street, Burlington, Vermont 



Entered as second class matter at the post office at Burlington, Vermont, 

 October 14, 1939, under the Act of March 3, 1879 



