BEAUTIFUL FLOWERING TREES AND SHRUBS. 



11 



to avoid overcrowding and vigorously repress the suckers, the latter 

 being particularly necessary in the case of the newer forms, which are 

 grafted on the common lilac. 



Spiraeas of shrubby habit that are sufficiently meritorious to 

 justify their being extensively planted include S. arguta, S. Bumalda 



' Anthony Waterer,' S. bracteata, S. pinnatifolia ft. pi, S. Van Hoidtci, 

 S. ariaefolia, and S. Lindleyana. Of quite exceptional value are 

 Viburnum Opulus sterile and V. tomentosum plicatum (fig. 5) ; they are 

 both admirably adapted for planting singly and for grouping in the 

 shrubbery, provided they are not overcrowded, and for lawn groups. Of 



