GROUND FOR A GARDEN. 139 



with the grass side down, to prevent the soil 

 from washing in and filling up the space 

 through which the water is to flow. 



Tile undoubtedly make the best drains, and 

 are probably cheapest in the long run, even 

 where stone can be had. But we naturally 

 shrink from first cost ; and where stone is plenty, 

 its use has the additional advantage of clearing 

 the soil. In many places, however, tile must be 

 employed, and it does the business thoroughly. 

 Mr. Henderson prefers the ordinary horse-shoe 

 tile, and he is a safe man to follow. A good 

 descent must always be provided for, so that 

 the water can flow off rapidly, and the joints 

 of the tile must be covered with sods, the grass 

 side down, or with some other material that will 

 prevent the soil from washing through the 

 slight openings. 



Cheap drains can also be made by treading 

 in brush to the depth of two feet and covering 



