134 BOTANICAL GAZETTE [AUGUST 



RESULTS. 



T. Each of the salts of the sea water is poisonous where it alone 

 is present in solution. 



2. In a mixture of these salts (in the proper proportions) the 

 toxic effects are mutually counteracted. The mixture so formed is 

 a physiologically balanced solution. 



3. Such physiologically balanced solutions have the same funda- 

 mental importance for plants as for animals. 



THE UNIVERSITY OF CALIFORNIA, 

 Berkeley. 



