[Vol. 2 



568 ANNALS OF THE MISSOURI BOTANICAL GARDEN 



exosmotic effect produced by another substance were found not 

 to hold in the cases tried and under the conditions of the ex- 

 periment. 



It is with pleasure that the writer acknowledges his indebt- 

 edness to Dr. B. M. Duggar for numerous helpful suggestions 

 in the prosecution of this work, and to Mrs. Amy Lyman Mer- 

 rill for valuable assistance in the calculations involved and in 

 the plotting of the curves; also to Dr. J. E. Schramm, who 

 kindly aided in the tedious work of preparing the manuscript 

 for the printer. 



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* t 



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, ('10). Uber Fallungsreaktionen in lebenden Pflanzenzellen und einige 



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