﻿The 



Plant World. 



A POPULAR JO URNAL OF BO TANY. 



EDITED BY 



F. H. Knowlton, Elizabeth G. Britton, Clara E. Cummings, 



Alexander W. Evans, Walter Hough, Charles Louis 

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AN ILLUSTRATED MAGAZINE FOR PLANT LOVERS. 



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Laboratory 



Chemistry. 



in 



Vegetable 



By J. C. ARTHUR, Professor of Vegetable Physiology in Purdue University. Thirty-five 

 experiments in both qualitative and quantitative work, illustrating the general subject of 

 physiology. Octavo, 32 pages, illustrated, paper covers, 35 cents. 



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