PLANTS in HEALTH and DISEASE 
being 
An Abstract of a Course of Lectures 
delivered in the University of Manchester during the session 
1915-16 
BY 
F. E. WEISS, D.Sc., 
Harrison Professor of Botany, 
A.-D.- IMMS, M.A., D.Sc., 
Reader in Agricultural Entomology, 
AND 
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, 
os etc. 
1916. 
