Vol. XLIV 



Gazette 



October 1907 



Editors: JOHN M. COULTER and CHARLES R. BARNES 



CONTENTS 



The Chrysanthemum Ray Blight 



F. L- Stevens 



On the Importance of Physiologically Balanced Solutions for 



Plants, II. Fresh-Water and Terrestrial Plants 



W- J- V. Osterhout 



Fertilization and Embryogeny in Ephedra trifurca w. j. g. Land 



The Development of the Seed in Pontederiaceae 



W C^ Coker 



Briefer Articles 



Some N w Washington PUtnts 

 Some Perptexities of the Indexer 



H. H. Bartlttt 

 Mary A Day 



Cprrent Literature 



News 



The University of 





CHICAGO aad "NEW YORK 



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