PRACTICAL 

 PLANT BIOLOGY 



A COURSE OF ELEMENTARY LECTURES ON THE 

 GENERAL MORPHOLOGY AND PHYSIOLOGY OF PLANTS 



BY 



HENRY H. DIXON, Sc.D., F.R.S. 



PROFESSOR OF BOTANY IN THE UNIVERSITY OF DUBLIN AND DIRECTOR OF 

 TRINITY COLLEGE BOTANIC GARDEN, DUBLIN 



WITH NINETY-FOUR ILLUSTRATIONS 



LONGMANS, GREEN AND CO. 

 39 PATERNOSTER ROW, LONDON, E.G. 4 



55 FIFTH AVENUE, NEW YORK 



BOMBAY, CALCUTTA, AND MADRAS 



1922 



