THE 



SCIENTIFIC PROCEEDINGS 



OF THE 



ROYAL DUBLIN SOCIETY. 



Vol. XIY. (I.S.), lo. 24. JANUARY, 1915. 



OXIDASES AND THEIR INHIBITOES IN 

 PLANT TISSUES. 



Part IV. — The Flowers of Iris. 



W. Pt. G. ATKINS, Sc.D., F.I.C., 



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

 [communicated by PKOFESSOK H. H. DIXON, F.R.S.] 



[/I uihors alone are responsible for all opinions expressed in their Communications.'] 



DUBLIN: 



PUBLISHED BY THE ROYAL DUBLIN SOCIETY, 



LEINSTER HOUSE, DUBLIN. 



WILLIAMS AND NORGATE, 



U, HENRIETTA STREET, COVENT GARDEN, LONDON, W.C. 



1915. 



Price Sixpence. /^'^^ 



DEC 14 im 



