82 



THE NURSERY-MANUAL 



the window garden or amateur conservatory is shown in Fig. 



79. A box 2 or 3 inches high is obtained, and inside this a 



zinc or galvanized iron tray is set, 

 leaving sufficient space between it and 

 the box to admit a pane of glass on 

 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 



FIG. 80. Propagating-box. to d r ip O n the floor. 



One of the best boxes for general purposes is made in the form 

 of a simple board rectangle without top or bottom, and 15 or 

 18 inches high, the top being covered with two sashes one of 

 which raises on a hinge (Fig. 80). Four by three feet is a 

 convenient size. Consult also Fig. 85. 



An ordinary light hotbed frame is sometimes constructed 

 on the bench of a greenhouse and covered with common hot- 

 bed sash. Propagating-houses are sometimes built with 

 permanent propagating-frames of this character throughout 



FIG. 81. Permanent propagating-frames in a greenhouse. 



their length, as shown in Fig. 81. Such permanent frames 

 are mostly used for conifers, either from cuttings or grafts 



