HOT-BEDS, COLD-FRAMES, AND PITS. 67 



plants with any success requires suitable structures for 

 the purpose. 



CHAPTER VII. 



HOT-BEDS, COLD-FRAMES, AND PITS. 



Frames ©r Hot-Beds are most usually employed for 

 forwarding plants. The frame for general use has from 

 three to five sashes, (see fig. 3), and is made for con- 

 venience about four and a half or five feet wide, and the 



Fig. 3. — HOT-BED AND FRAME. 



length depends on the number of sashes, which are usually 

 about forty inches wide. Use the smallest glass you can 

 obtain, certainly not over seven by nine ; a smaller size is 

 preferable, as it is not so liable to be broken, and can be 

 more readily repaired. These sashes are made without 

 cross-bars, the glass overlapping like the shingles of a 

 house, and resting on bars extending lengthwise of the 

 sash. The lap of each pane of glass need not be over 

 half an inch, and if the glass is set in the sash when 

 freshly painted with two coats of paint, no puttying 



