38 



THE GARDENER. 



[Jan. 





'ii:i:r ; , 



Fig. 2. 



whole piece round with cotton tape, four pieces of the same, with rings 

 attached, are laid across, and stitched to the canvas, so as to run exactly 



with the rods a a a a in fig. 



1. Fig. 2 is intended to 



— show how the tape is run 

 through the rings, the rings 

 being arranged at equal dis- 

 tances one from the other. The two outside pulleys are simply 

 screwed upon the tops of the boards in front of the coping, 

 with holes for the ropes to pass down inside ; but the two 

 centre ones are on a separate piece of plank, and project 

 slightly beyond the other board, it being necessary to have 

 the ropes outside. At the point where two pieces of canvas 

 meet, instead of the usual post for each rod, one post 6 

 inches broad is put in, and the rods are placed so that there 

 may be room for the ends of the rails to pass each other when 

 working them (fig. 3). 

 Here I have given you, in as few words as possible, the mode of 

 protection tried here for the first time last spring. I cannot, however, 

 place it before your readers without acknowledging that it is not 

 faultless. It will be readily perceived by some that the canvas, thus 

 drawn up in a bundle of loose folds at the top, will shade at least 18 

 inches of the top of the wall, and that its folds will be apt to be 



Fig. 3. 



dashed against the branches by the wind, and be in danger of knocking 

 off the buds. I think it would be an improvement, when some shade 



