116 



THE COMPLETE HOME LANDSCAPE 



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Fig. 107— Elevation for a simple but graceful garden gate surmounted by an arch over 

 which vines may be allowed to grow. Compare Fig. 1 



about eight feet apart, both lengthwise and transversely, and should 

 be between eight and nine feet high over all. If the structure spans a 

 grass walk, it is important that vines should not be grown so close to- 

 gether as to cast a dense shade, for this would injure the grass. In 

 such a case, place the rafters about four feet apart. The more formal 

 and dignified pergolas have wooden columns, usually of Cypress and 

 of classic design, which are given three or four coats of paint to prevent 

 weathering. The columns must stand on a stone or concrete founda- 

 tion (Fig. 105). 



In constructing a rustic pergola, Red Cedar or Locust is recom- 

 mended, and all parts that come in contact with the ground should be 

 treated with a preservative mixture such as creosote. This also applies 

 to the intersection of posts and rafters where moisture is likely to 

 collect. 



Simple uprights or posts need not be as large as columns, but appear 

 to best advantage when about eight inches in diameter at the ground. 



Where a pergola is placed on a steep incline, the roof should be 

 made in sections on several planes; if the slope is slight, only one plane 

 is necessary. 



If the pergola does not span a regular walk it is well to give it a 

 floor of either brick, stepping stones, tile, or concrete, in which case the 

 posts may rest on this flooring. 



