i6o GARDENS IN THE MAKING 



as well as the reality of strength is needed, and 

 timbers must never " sag " but rather curve upwards, 

 and braces, struts, and dragon-ties may be employed 

 to bind and beautify the structure (fig. 43). In this 

 way quite light material can be effectively converted 

 into a useful pergola, and larch poles properly braced, 

 with an interlacing trellis above, will answer perfectly 

 where the surroundings do not demand a more solid 

 erection. 



The colonnaded and flat- roofed pergola is first 

 cousin to the arcaded walk. The latter, the arched 

 form of which is more easily built with light iron 

 hoops, is adapted to the narrowest as well as the 

 widest of paths ; and the series of arches when 

 connected by stout wite, forms a veritable tunnel 

 over which can be trained all manner of climbing 

 plants or fruit trees. Such features are the essence 

 of a garden, they are the concentration of flower 

 and fruit in such general assemblage as shall enchant 

 the sight, and whethei* viewed from within or with- 

 out are equally a treasure-house of charm, "an 

 infinite varietie of sweet smelling flowers, colouring 

 not onely the earth, but decking the ayre and 

 sweetning every breath and spirit." Those words 



