¥ 



t. 



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}e Botanical 6a3ettc 



flBontblv 



Edited by John M. Coulter and Charles R. Barnes, with the assistance of other members of the 



Vol XLV, No. 4 



botanical staff of the University of Chicago. 



Issued Acfil H» 1908 



CONTENTS FOR APRIL 1908 



THE RELATION OF PLANT SOCIETIES TO EVAPORATION (with nine figures), 



Ed^ar N. Transeau • 2j. 



FURTHER STUDIES OF SOLUTION TENSION AND TOXICITY IN LIPOLVSIS, 



f^aymond H, Fond 



A QUANTITATIVE STUDY OF TRANSPIRATION (with two 



GRAPHS), Grace Litcretia Clapp 



BRIEFEl^ ARTICLES 



LuciEN Marcus Underwood (with portrait) 



23-2 



FIGURES AND THIRTY 



254 



268 



A Convenient Traveling Balance (with two figures). W, JV, Stockberger - - 269 

 The Toxic Action of Certain Plant Constituents.— A Correction - - - 27I 



CURRENT LITERATURE 



^OOK REVIEWS 

 ^VOTES FOR STUDENTS 



NEIVS - 



272 

 274 



287 



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