I908] MAGOWAU— TOXIC EFFECT OF COMMON SALTS 49 



plants in NaCl and KCl made more growth than in CaCI^, but after 

 twenty-five or thirty days the plants in CaCl, were in advance of 

 all the others. 



These investigations were carried on under the direction of Pro- 

 fessor W. J. V. OsTERHOUT, to whom the writer wishes to express 

 sincere thanks for his kindly assistance and valuable suggestions. 



F 



University ot Californ^ia 



Berkeley, Cal. 



