THE IVY. 337 



made in the Gardeners' Chronicle: "Ivy may render a 

 house damp by retaining snow in winter, which changes 

 to water, trickles down the walls, and never thoroughly 

 evaporates. But this is of rare occurrence, and may be 

 prevented by beating the Ivy after snow-storms, and will 

 only be an inconvenience when houses are built with mud. 

 He doubt, when walls are not of sound brickwork or 



BRANCH OF IVY. 



some other hard materials, the Ivy may introduce its roots 

 into the masonry and thus do mischief, allowing water to 

 run down its branches and to follow them into the crevices 

 where they have insinuated themselves. But in all cases 

 of well-built houses we are convinced that Ivy is beneficial, 

 so far as keeping the walls dry." 



When Ivy has mounted to the summit of its support, 

 its character and habit undergo a material alteration : it is 

 Z 



