THE 
JOURNAL 
OF  THE 
ROYAL  AGRICULTURAL  SOCIETY 
OF  ENGLAND. 
VOLUME  71. 
(being  the  seventy-first  volume  issued  since  the 
FIRST  PUBLICATION  OF  THE  JOURNAL  IN  1839.) 
PRACTICE  WITH  SCIENCE. 
library 
new  YORK 
botanical 
Garden 
LONDON : 
JOHN  MURRAY,  ALBEMARLE  STREET. 
1910. 
