Chap. XXII.] CULTURE OP THE VINE AT THOMERY. 



387 



only about two feet high. The width of the hothouse at its base 

 between the walls is about four feet six inches, and the length 

 indefinite. The higher wall is covered on the top with a deal 

 board a foot wide and projecting towards the south ; the lower 

 wall is covered in the same way with a board five inches wide. 

 The walls ought to be rough cast, and kept perfectly white like 

 those of the gardens. Bars of iron serve as supports to the 

 frames, and to keep the walls in their places when the frames 



Mode of Grafting the 

 Vine at Thofnery. 



Mode of Graftivg the Vine, by ap^oacht 

 practised at Thomery. 



Govge used in Graft- 

 ing the Vine : ten 

 inches long. 



are taken away, and rods provided with holes are placed in the 

 middle of each frame so that they may be opened to different 

 heights according to circumstances. A copper hot-water pipe, 

 four inches in diameter, serves to warm the structure, and an 

 entrance-door is constructed at each end. Grrape-forcing begins 

 from the 15th to the 25th of December, in order to have ripe 

 fruit by the end of April. During the first fortnight the heat is 

 not allowed to rise above 58° F. to 65° F. In a fortnight 



