AN INTRODUCTION 



TO THE 



CHEMISTRY OF 

 PLANT PRODUCTS 



VOL. II. METABOLIC PROCESSES 



BY 



PAUL HAAS 



D.Sc., PH.D. 



READER IN PLANT CHEMISTRY IN THE UNIVERSITY OF LONDON, UNIVERSITY COLLEGE 



AND 



T. G. HILL 



A.R.C.S., F.L.S. 



READER IN VEGETABLE PHYSIOLOGY IN THE UNIVERSITY OF LONDON, UNIVERSITY COLLEGE 



WITH DIAGRAMS 



LONGMANS, GREEN AND CO. 



39 PATERNOSTER ROW, LONDON, E.G. 4 



NEW YORK, TORONTO 



BOMBAY, CALCUTTA AND MADRAS 



1922 



