ROYAL HORTICULTURAL SOCIETY. 
INCORPORATED 
A.D. 1809. 
FOUNDED 
A.D. 1804. 
VINCENT SQUARE, LONDON, 58.W. 
REPORT 
THIRD INTERNATIONAL CONFERENCE 
1906 ; 
ON 
GENETICS; 
9 
HYBRIDISATION 
(THE CROSS-BREEDING OF GENERA OR SPECIES), 
THE CROSS-BREEDING OF VARIETIES, 
AND GENERAL PLANT-BREEDING. 
HDITED' BY THE 
REV. W. WILKS, M.A. 
SECRETARY. 
BO} iCAL 
1; O: NeDiGane: 
Printed for the Royal Porticultural Society 
BY 
SPOTTISWOODE & CO. LTD., NEW-STREET SQUARE, E.C, 
