SOME OF THE ORNAMENTAL SHRUBS AND VINES. 351 



of white flowers, very useful for border in banking inside a 

 taller growth. 



FIG. 96. Bridal -wreath (Spiraea prunifolia). 



Spircea callosa alba is also useful as a group or baiik 

 border if the old wood is cut back us practised with the 

 roses, as it only bears on wood of the same season's growth. 



