30 



THE GREEN-HOUSE AND CONSERVATORY. 



.cement) ; shingle the back outside, and lathe and plaster, 

 or rather back-plaster, as it is called, within. If your 

 front is board, ' clapboards -look better than shingles, and 

 cost but little more. Board up and shingle the ends, 

 leaving one or more doors, as may be desired. Sink a 

 walk, two feet wide, through the middle of the length of 

 the whole house, deep enough to give plenty of head room ; 

 board, stone, or brick up the sides. Your structure, thus 

 far, is very inexpensive. Now for the rafters and glass 

 roof. It is not, for our purpose, necessary to have sliding 

 sashes, nicely fitted and framed, or grooved rafters ; these 

 are expensive. The roof must be one entire piece. But 

 do you dispense with ventilation ? By no means. This 

 would be a fatal neglect, in our climate, with such a power- 

 ful summer sun. 



It is easily provided for by having boards, x and y, both 



front and rear, either at 

 intervals or along the 

 whole line, as may be 

 needful. These are hung 

 on hinges, so as to open 

 outwards, and permit a 

 current of air to pass 



3ft. 



s it. 



2ft. 



thr6ugh the whole breadth of the house, 



