Shrubs 



191 



also especially suitable for formal gardens, as it does not run riot. 

 Prune out old wood in summer immediately after flowering. (For 

 other spireas see p. 185). 



TAMARIX (Tamarix Gallica). Unexcelled for saline and alkaline soils, 

 growing on the salt water's edge where nothing else will. Flowers 

 feathery, pink, on old wood in the type; but on new wood in variety 

 Narbonnensis. Foliage fine and feathery. (See p. 186.) 



