154 



GARDEN GUIDE 



own rain whenever he wants it by installing an irrigation system at a 

 very slight cost. 



|pi The type that has been most widely used consists of horizontal 

 piping supported a few feet above the surface of the garden and per- 

 forated at regular intervals. These pipes can be turned by a handle 

 and 'a valve turns the water on or off as needed. A single line of pip 



Street houses with their backyards. Some of these are purely ornamental; others, 

 notably the two in the middle, have vegetable spaces. The dotted parts represent 

 grass, the shaded parts arbors and rest house, the remainder being beds and 



borders 



will water a strip of ground twenty-five feet wide on both sides or 

 a total of fifty feet. A hundred feet of three-quarter inch galvanized 

 pipe, even at present high prices, costs but a few dollars. 



Another system which is slightly more expensive andjapplies the 

 water more rapidly, has adjustable circular sprays placed^every twenty- 

 five or thirty feet along the line of pipe. It also does excellent work. 



