124 FORMATION OF GARDEN'S. 



and the branches. When this is attended to, no injury results 

 to the foliage, even in the hottest of seasons. 



Boarded walls have long been used in northern countries, and 

 are frequently made to incline considerably ton'^ards the north, 

 so as to present a better angle to the sun's rays than if standing 

 upright ; an expedient which here is unnecessary. 



We cannot help thinking that flued walls are worthy of more 

 attention from horticulturists than they seem to have had, espe- 

 cially when early fruit is desired, without the trouble and expense 

 of a glazed structure, as an expedient for a hot-house. [See cut 

 50, in the next part of this work, page 245.] 



