CONSTRUCTION OF WALKS AND DRIVES 95 



this Stage is important to success, as it ensures 

 the subsequent consolidation of the gravel 

 and prevents its adhering to the roller. The 

 correct amount of water may be determined 

 by noting the action of the roller, which should 

 carry before it a wave of creamy liquid, a mix- 





Fig. i8.— Path foundation 



ture of water with the binding constituent of 

 the gravel. The roller should be a moderately 

 heavy one. After the path has been brought 

 to a fair surface it should be left unused for 

 at least twenty-four hours, and if no rain falls 

 during that interval so much the better. 



Cinder Paths — These are dismal things in 

 the flower garden, though they have a sphere 

 of usefulness in the vegetable plot. They also 

 may be made as directed for gravel paths. 



Tar Paths — When well made these are very 

 durable, but their colour is against them, 

 and in hot weather they are apt to become soft 

 on the surface; the same apphes to asphalt. 

 I have, however, seen tar paths the stony 



