14 FRUIT TREES IN POTS [ch. 



will require no brickwork. As a substitute match- 

 boarding should be used, and simply made secure 

 by being nailed on to the oak posts. 



This will greatly reduce the cost of building, 

 as wood is far cheaper than bricks. The remain 

 ing portion of the house should be, of course, 

 exactly the same as previously mentioned. Lean- 

 to houses will require to ha^'e oak posts both 

 back and front, of the same size as before men- 

 tioned, and also at the same distances apart. The 

 intervals from post to post will be filled up with a 

 few courses of bricks and match-boarding, unless 

 double boarding be preferred, i.e. where the back 

 posts are covered in on both sides. Such being 

 the case, I would recommend the use of feather- 

 edged boards outside and match-boards inside the 

 house. 



If single boards only are used on the back of 

 the house, they should be nailed inside the house, 

 as it will be better if the back is made use of, and 

 will give a far neater appearance to the house. 



In all cases side ventilators should open down- 

 wards, as previously stated. For houses not 14 ft. 

 in width, the 12-in. ventilators will be large enough. 

 All houses above 14 ft. should have the 18-in. 

 A'entilators. 



It should be clearly understood that, as a rule, 

 all posts should be inside the house. The only 



