THE 



SCIENTIFIC PROCEEDINGS 



OF THE 



ROYAL DUBLIN SOCIETY. 



Vol. 2IV. (I.S.), No. 31. lEBEUART, 1915. 



OSMOTIC PEESSURES IN PLANTS. 



IV. — On the Constituents and Concentration of the 

 Sap in the Conducting Tracts, and on the 

 Circulation or Carbohydrates in Plants. 



BY 



HENEY H. DIXON, Sc.D. (Duel.), F.E.S., 



UNIVERSITY PROFESSOR OF BOTANY, TRINITY COLLEGE, DUBLIN ; 

 AND 



W. E. G. ATKINS, Sc.D. (Duel.), F.I.C, 



ASSISTANT TO THE UNIVERSITY PROFESSOR OF BOTANY, TRINITY COLLEGE, DUBLIN. 



[A uthors alone are responsible for all opinions expressed in their Gommun leaf ions-'] 



DUBLIN : 



PUBLISHED BY THE EOYAL DUBLIN SOCIETY, 



LEINSTEH HOOSE, DUBLIN. 



WILLIAMS AND, NOEGATE, 



14, HENRIETTA S'lEEET, COVENT GARDEN, LONDON, W.C. 



1915. 



Price One Shilling. 



