A Lecture given before the Massachusetts State 

 "Board of Agriculture in "Boston, Qec. i, 1891. 



cross-breeding and 

 Hybridizing 



THE PHILOSOPHY OF THE CROSSING OF 

 PLANTS, CONSIDERED WITH REFERENCE TO 

 THEIR IMPROVEMENT UNDER CULTIVATION ; 

 WITH A BBEF BIBLIOGRAPHY OF THE SUBJECT. 



'By L H. BAILEY. 



NEW YORK : 



The Rural Publishing Company. 

 1892. 



