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THE BEGINNER'S GARDEN BOOK 



frame, or by the size and number of the old window sash, 

 such as storm windows, which we may happen to have at 



FIG. 79. A sunk hot-bed, with a permanent pit made of stone. 

 hot-bed is the most effective. 



Such a 



our disposal. On the other hand, we may buy the sash 

 outright. Dealers usually supply them in two sizes, three 



FIG. 80. A four-sash standard frame, six feet by twelve. 



feet by six (the standard size) or about three feet square 

 (called pony or junior sash). The latter are better for small 

 folk, as it is hard work reaching into the middle of a frame 

 that is six feet from front to back. 



