4 o 



THE NURSERY-BOOK. 



larger number of plants. A useful propagating-box for the 

 window garden or amateur conservatory is shown in Fig. 31. 

 A box two or three inches high is 

 secured, and inside this a zinc or 

 galvanized iron tray, a, is set, leav- 

 ing sufficient space between it and 

 the box to admit a pane of glass 

 upon every side. These panes form 

 the four sides of the box, and one or 

 two panes are laid across the top. 

 The metal tray holds the soil and 

 allows no water to drip upon the 

 floor. One of the best boxes for 

 general purposes is made in the form 

 of a simple board box without top or 



bottom, and fifteen or eighteen inches high, the top being cov- 

 ered with two sashes, one of which raises upon a hinge (Fig. 32) , 

 ^ourby three feet is a convenient size. An ordinary light hot-bed 



Fig. 31. Small Propagating- 

 box. 



Fig. 32. Propagating-box. 



frame is sometimes constructed upon the bench of a greenhouse 

 and covered with common hot-bed sash. Propagating houses 



