﻿LIVING PLANTS AND THEIR 

 PROPERTIES 



A COLLECTION OF ESSAYS 



JOSEPH CHARLES ARTHUR Sc. I). 



PROFESSOR OF VEGETABLE PHYSIOLOGY AND JATHOLOGY 

 IN PURDUE UNIVERSITY 



DANIEL TREMBLY MAC DOUGAL Ph. D. 



ASSISTANT PROFESSOR OF BOTANY IN CHARGE OF PLANT 

 PHYSIOLOGY IN THE UNIVERSITY OF MINNESOTA 



NEW YORK 



BAKER AND TAYLOR 



MINNEAPOLIS: MORRIS AND WILSON 

 1898 



