338 GARDENING FOR PLEASURE. 



dred pounds. Grass Boxes can now be furnished on the 

 new Henderson Lawn Mowers for collecting the cut grass. 

 This is very desirable in some cases, particularly in tennis 

 courts, croquet grounds, etc. ; but I do not advise this in 

 other cases, especially if the lawn is fully exposed to the 

 hot sun. The cut grass in this case acts as a mulch, and 

 prevents the sun from drying the roots out. 



The Garden Roller (figure 159). — The benefit de- 

 rived from using a roller on the lawn, especially in the 

 spring, is not fully understood. The action of freezing 



Fig. 159. 



and thawing causes the ground to heave, and if it is not 

 firmly pressed back with a roller before hot weather the 

 grass is apt to be killed or injured, leaving the lawn full 

 of bare spots. For use on the lawn always take a " tivo 

 or three secfiofi,^^ as they can be turned without injuring 

 the grass. '' 07ie section''' will be preferable for walks, 

 as they leave no mark. Rollers having weights attached 

 to the central shaft, that can be unhooked and removed 

 when lighter weight is desirable, are the best. These 

 weights always keep the handle up from the ground, and 

 out of the way. 



