PLANTS in HEALTH and DISEASE 



being 



An Abstract of a Course of Lectures 



delivered in the University of Manchester during the session 



1915-16 



F. E. WEISS, D.Sc., 



Harrison Professor of Botany, 



A. D. IMMS, M.A., D.Sc., 



Reader in Agricultural Entomology, 



WILFRID ROBINSON, M.Sc., 



Lecturer in Economic Botany. 



Manchester 



AT THE UNIVERSITY PRESS 

 12, Lime Grove, Oxford Road. 



LONGMANS, GREEN & CO. 



London, New York, Bombay, 

 etc. 



1916. 



