4 PREFACE. 



valuable to those for whom it has been prepared, or for 

 those of its friends who think it will do good, and save 

 many disappointments, which is the lot, more or less, of all 

 growers of this plant, then will my object be accomplished. 



ROBERT J. HALLIDAY. 



BALTIMORE CITY, Md., Oct., 1880. 



