ADVERTISEMENT. xi 



ton, of West Chester, at whose suggestion the 

 work was originally begun. To A. M. East- 

 wick, Esq., to whom not only the author, but 

 the public at large are indebted for the zeal- 

 ous care and watchful jealousy with which 

 everything connected with the finest collec- 

 tion of full-grown trees in the country is 

 preserved ; to Caleb Cope, Esq., the ex-Presi- 

 dent of the Pennsylvania Horticultural So- 

 ciety, he is also indebted for much valuable 

 information and suggestions, as well as to 

 Thomas P. James, Esq., Secretary of the same 

 institution, Messrs. E. Buist, of Eosedale, and 

 John Evans, of Eadnor. 



PHILADELPHIA, September 23, 1853. 



