34 A TREATISE OF 



vernal equinox) but that Is no great advan- 

 tage, for before that time of the day the 

 air will be fufficiently warmed. 



Befides, if the wall is built full fouth, it 

 will not be fo proper for fruit-trees as a 

 fouth-eaft afpe6t ; for in the middle of the 

 day, the fun will caufe the trees to exhale 

 their juices faller than their roots can ab- 

 forb them, which wdll render the fruit 

 fmaller, and the pulp harder, and worfe 

 flavoured, than thofe which receive the 

 heat more regular. 



The w^all B receives the fun about nine 

 o'clock, which is a proper fituation for 

 fome ofthebeft kinds of winter pears, and 

 which they well deferve ; for they afford 

 fine juices and rich flavours, when other 

 fruits of the fame quality are wanting. 

 Some kinds of grapes, peaches, and nec- 

 tarines will ripen well againft it ; and this 

 has one equal advantage with the other 

 wall A, viz. of the fun s rays fl:riking ob- 

 liquely upon it at noon. 



The wall C receives but little fun, for it 

 fhines not upon it till three in the after- 

 noon 5 but it may ferve for fruits which 



ripea 



