PLANT CULTURE 



A WORKING HANDBOOK OF 

 EVERY DAY PRACTICE FOR ALL 

 WHO GROW FLOWERING AND 

 ORNAMENTAL PLANTS IN THE 

 GARDEN AND GREENHOUSE 



BY 



GEORGE W. OLIVER 



Propagator to the Bureau of Plant Industry, 

 U. S. Department of Agriculture 



AND 



ALFRED CARL HOTTES 



Assistant Professor of Horticulture, Ohio State University 



FOURTH EDITION 



NEW YORK 

 A. T. DE LA MARE CO. INC. 

 1921 



