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is forty feet long, by sixteen wide. It is heated by 

 one furnace, situated at the east end. The first 

 course of heat is carried immediately under the pave- 

 ment to the front flue, by ascending into which, it 

 rises one foot in the angle, two feet from the front, 

 and the same from the end walls. It is carried along 

 this flue thirty-six feet, descends under the pavement 

 at the west end, and again rises two feet perpendicu- 

 larly into the back flue, five feet from the end wall, 

 and four from the front flue. This part of the flue 

 is thirty feet long, and descends in like manner under 

 the pavement at the east end, through which it passes 

 into the chimney situated immediately over the fur- 

 nace. It thus makes a circuit of one hundred feet, 

 chiefly round the front half of the house. The stage 

 occupies a space of thirty feet by eight, leaving a space 

 of five feet at each end, w^hich, by a partition of orna- 

 mental lattice-work, the full height of the glass and 

 width of the stage, forms these spaces at each end 

 into two very neat lobbies. These are appropriated 

 to the growth of the finer sorts of climbing plants ; 

 and the stage is capable of containing from 800 to , 

 1000 plants in pots. The peach-trellis occupies the 

 whole length of the house, and contains a surface of 

 280 square feet, to which the trees are trained. The 

 front wall is arched, and a prepared peach-border is 

 made for the roots, two feet wide inside, and eight 

 feet wide outside, and four feet deep. A shelf of 



