TO 



JOHN LINDLEY, Ph.D., P.R.S., 



VICE SECRETARY OF THE HORTICULTURAL SOCIETY OF LONDON, AND PROFESSOR OF 

 BOTANY IN UNIVERSITY COLLEGE, 



AS OXE OF THE MOST EFFICIENT 



PROMOTERS OF MODERN HORTICULTURE, 

 THIS VOLUME 



IS DEDICATED BY 



THE AUTHOR. 



Entered, according to the Act of Congress, in the year 1S47, by 



LEA AND BLANCHARD, 



in the OfFice of the Clerk of the District Court for tire Eastern District of 

 Pennsylvania. 



PHILADELPHIA: 



T. K. AXD P. G. COLLIXS, 



PKINTEKS. 



