6 WALL AND WATER GARDENS 



other bushes to ahnost any extent. I know it as the 

 kitchen Rose, because the oldest plant I have rambles 

 over and through some Arbor-vitcs just opposite the 

 kitchen window of a little cottage that I lived in for 

 two years. When it is in flower the mass of white 

 bloom throws a distinctly appreciable light into the 

 kitchen. The Ayrshire Roses are delightful things for 

 this kind of use. 



Where in steep ground the terraces come near to- 

 gether the scheme may comprise some heroic doings 

 with plants of monumental aspect, for at the outer 

 edge of one of the wall tops there may be a great 

 group of Yucca gloriosa or Y. recurva, some of it 

 actually planted in the wall within a course or two 

 of the top, or some top stones may be left out ; or 

 the Yuccas may be planted as the wall goes up, with 

 small kinds such as Y. fiaccida a little lower down. 

 Another such group, of different shape but clearly 

 in relation to it, may be in the next terrace above or 

 below. When the Yuccas are in flower and are seen 

 from below, complete in their splendid dignity of 

 solid leaf and immense spire of ivory bloom against 

 the often cloudless blue of our summer skies, their 

 owner will rejoice in possessing a picture of per- 

 haps the highest degree of nobility of plant form 

 that may be seen in an English garden. 



The garden of dry-walled terraces will necessarily 

 be differently treated if its exposure is to the full 

 southern or south-western sunshine, or to the north 

 or north-east. In the case of the hot, dry, sunny 

 aspect, a large proportion of the South European 



