230 THE FORCING GARDENER. [fi, I, 



in fucceffion, on a conftrudion that has 

 given fatisfadion for many years. 



Little fire heat being required here, the 

 flues of both divilions are gathered to the 

 furnace, which works them both equally ; 

 and by the help of dampers, the one can 

 be worked higher or lower than the other, 

 with the greatefl facility ; or by flopping 

 the vent clofe, the one can be worked alto- 

 gether independent of the other. 



It is a matter of little importance in 

 what fituation this houfe is placed, provi- 

 ded the bottom of the mufhroom-beds be 

 rendered perfectly dry, by draining, if ue~ 

 ceflary. 



SECTION V. 



Explanation of Plate V. 



\i ' j ; '< } i -t y } ' * 



FIG. i. reprefents the plan, and horizon- 

 tal and vertical fedions of a Fur- 

 nace, on the beft conftrudion yet difcover- 

 ed for the ufe of hbt-houfes ; and to which, 

 from a conviction of its utility, I would 

 ferioufly advife a ftrid: conformity. It is 



laid 



