212 PLANS FOR FORCING HOUSES. 



ceeding sixty, or sixty -five degrees ; but in 

 peach houses, also grapes will come to great 

 perfection, but if introduced, they should be 

 confined as much as possible to the rafters, in 

 order that they may not obstruct the rays 

 of the sun, as the sun is most essential, both 

 for the colouring and flavouring the fruit, par- 

 ticularly that of peaches and nectarines. 



The vinery, or house intended principally for 

 forcing grapes, may be kept at as high a tem- 

 perature as that of the pinery, by which means 

 very early crops will be obtained in the greatest 

 perfection ; and as the vinery may be of any 

 length required, from ten to one hundred feet, 

 or more, it may be divided by merely a glass 

 partition, in suitable proportions, for very early 

 and later supplies; but in the vinery, or that part 

 where very early crops are intended to be raised, 

 a bark bed along the centre of the house is 

 highly beneficial in assisting the heat produced 

 by fire or hot water ; but when not required so 

 early, they can be forced by heat solely of fire or 

 hot water : therefore different forcing houses, are 

 generally in large forcing establishments, allotted 



