THE CULTURE OF THE GRAPE. 135 



If, after a series of years, the cane should become too 

 long, it can then be cut back to the next spur from the 

 top. 



EEMAEKS ON rOECINa THE TINE. 



" The horticulturist, when he steps into this depart- 

 ment, aspires to the top and mastership of his art. A 

 full acquaintance with what his predecessors knew, as 

 principle, — a vigilant attention to what his contempora- 

 ries ofi'er as improvements, with a capacity to estimate 

 new practices, — a considerable personal share of intelli- 

 gence, experience, and invention, — will not more than 

 qualify him for his profession. 



" The term hot-house, and that of forcing-honse, are 

 not indiscriminately applied to the same description of 

 place by practical men in general ; nor is this a distinc- 

 tion without a difference. 



" A hot house may be considered as constructed to sus- 

 tain plants which are too tender to live in the open air of 

 the country in which it is employed. A forcing-house 

 may be defined to be an artificial garden for plants which 

 will grow in the open air, by its aid to obtain a crop 

 sooner than the natural operation of the seasons will ma- 

 ture ; the former is a substitute for a given hot climate ; 

 the latter is an anticipation of the local summer. The 

 heat of the former ip permanent and more uniform, re- 

 sembling the stead}' elevation of temperature which pre- 

 vails in the regions nearest the line ; that of the latter 

 ^actuates farther from a common medium ; but, whethe>' 



