DESCRIPTION OF HOTHOUSES. 1*25 



sashes in front ; and for the information of those 

 not well versed in hothouse building, a more 

 detailed statement may be useful. 



Upon the low front walls, a plate or frame of 

 wood is placed, of sufficient strength and sub- 

 stance to contain the uprights, to be also formed 

 of wood, which should be from three feet to three 

 feet and-a-half apart, and formed so as to contain 

 the upright sashes, which may be from three to five 

 feet high, more or less as the size of the house 

 will require, with another brace-plate, or plate of 

 wood along the top of the uprights, to fix and se- 

 cure them in; and from the top of this front upright 

 frame-work, rafters are extended to the top of 

 the back wall, three feet to three feet and a half 

 apart for the support of the sloping top sashes ; 

 of the same widtji as the upright, and the top 

 sashes, ranged; in two or three tiers, one above 

 another, according to the width of the house, 

 so constructed that they may slide up and down 

 as occasion requires, and if made to slide upon 

 rollers, it will be by far more convenient to let 

 up and down, with pullies, particularly when 

 expedition is required in stormy weather, &c. ; 

 the front upright sashes may be formed nearly 



