Implements and Fixtures. 



49 



sometimes covered with glass frames, and at other times with 

 mats or boards. They are mostly used for the preservation of 

 vegetables, such as celery, endive, lettuce, cauliflower, etc. 

 The walled pit is partly sunk in the ground and partly above 

 it. The walls are formed of brick or stone, finished with a 

 wooden or stone cop- 

 ing, and covered with 

 movable glazed sashes. 

 Of this pit Buist says : 



"There is no ap- 

 pendage to the garden 

 of greater utility than 

 this pit. It is two feet the walled pit. 



under ground and one foot above it in front, and two feet above 

 it at the back, and six or seven feet wide in the clear. It is 

 an excellent winter apartment for plants when covered with 

 sash and mats. Filled with very rich earth, it produces very 

 fine cauliflowers, which will be in use from March to May. If 

 filled with warm manure early in February, it wiU produce 

 cucumbers that will be in use from April to July, or radishes 

 and small salading in any quantity." 



Mot Beds. — The common hot-bed frame is a bottomless box 



THE HOT-BED. 



of wood, with a sloping top and covered with a sash. It may 

 be of any length or breadth, but from four to six feet wide, 

 and from six to ten feet long is a good size. The sashes are 

 made without cross-bars, the glass overlapping like the shingles 

 of a house. The glass should be proportionally much smaller 

 than it is represented in our engraving — not larger than seven- 

 by-nine at most. The lap of the panes should not be over 



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