TABLE OF CONTENTS 



PAGE 



The Twenty-fifth Anniversary Celebra- 

 tion 



1- 32 



N. Wille 59-108 



The Vegetation of Mona Island N. L. Britton 33- 58 



The Flora of Norway and its Immigra- 

 tion 



The Phylogenetic Taxonomy of Flower- 

 ing Plants C. E. Bessey 109-164 



The Botanical Garden of Oaxaca C. Conzatti 165-174 



The Origin of Monocotyledony J. M. Coulter 175-183 



The History and Functions of Botanic 

 Gardens A. W. Hill 185-240 



Recent Investigations on the Proto- 

 plasm of Plant Cells and its Colloidal 

 Properties F. Czapek 241-252 



The Experimental Modification of Germ- 

 Plasm D. T. MacDougal 253-274 



The Relations between Scientific Botany 

 and Phytopathology 0. Appel 275-285 



The Law of Temperature Connected 

 with the Distribution of the Marine 

 Algae W. A. Setchell 287-305 



Phytopathology in the Tropics 



Johanna Westerdijk 307-313 



Phylogeny and Relationships in the 

 Ascomycetes G. F. Atkinson 315-376 



A Conspectus of Bacterial Diseases of 

 Plants E. F. Smith 377-401 



