134 BOTANICAL GAZETTE [AUGUST 
RESULTS. 
1. 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. 
