

TABLE OF CONTENTS 



PAGE 



Rhizoctonia Crocorum (Pers.) DC. and 

 R. Solani Kiilm (Corticium vagum 

 B. & C.) with Notes on Other Species 



.B. M. Duggar 403-458 



Some Relations of Plants to Distilled 

 Water and Certain Dilute Toxic So- 

 lutions M. C. Merrill 459-506 



Electrolytic Determination of Exosmo- 

 sis from the Roots of Plants sub- 

 jected to the Action of Various Agents 



M. C. Merrill 507-572 



Monograph of the North and Central 

 American Species of the Genus Se- 

 necio— Part II J. M. Greenman 573-626 



The Thelephoraceae of North America. 

 IV E. A. Burt 627-658 



Toxicity of Galactose for Certain of the 

 Higher Plants Lewis Knudson 659-666 



Comparative Studies in the Polypora- 

 ceae L. 0. Overholts 667-730 



The Thelephoraceae of North America. 

 V E. A. Burt 731-770 



Enzyme Action in the Marine Algae A. R. Davis 771-836 



General Index to Volume II 837-841 



