Volume 43 



BOTANICAL 

 July 1943 QARDEN 



Number 1 



TORREYA 



EDITED FOR 



THE TORREY BOTANICAL CLUB 



BY 



HAROLD H. CLUM 



CONTENTS 



THE SEVENTY-FIFTH ANNIVERSARY CELEBRATION OF THE TORREY 

 BOTANICAL CLUB, JUNE 22-27, 1942 



Introduction 2 



Haphazard as a Factor in the Production of Tetrakaidecahedra . . Frederic T. Lewis 4 

 The Evolution and Determination of Sexual Characters 



in the Angiosperm Sporophyte Charles E. Allen 6 



Leaf -stem Relationships in the Vascular Plants Ralph H. Wetmore 16 



Cell Division as a Problem of Pattern in Plant Development . . Edmund W, Sinnott 29 

 Contributions of the Torrey Botanical Club to the Development of 



Taxonomy H. A. Gleason 35 



Modern Taxonomy and Its Relation to Geography Henry K. Svenson 44 



Some Economic Aspects of Taxonomy E. D. Merrill 50 



The Importaunce of Taxonomic Studies of the Fungi Frank D. Kern 65 



Activities of the Club, January to May 1943 78 



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 



