HARDY HERBACEOUS PLANTS, ETC. 



229 



PLUME-POPPY (Bocconia Japonica). No herbaceous 

 perennial plant produces more subtropical effect than this 

 one. The leaves are large, deeply lobed, of a glaucous 

 green color, and the flowers are plume-like panicles followed 

 by numerous pods that continue its beauty for a long time, 

 It grows from 5 to 8 feet high and spreads rapidly, but not 

 to such an extent as to be uncontrollable. By pulling out 

 one suckers in the spring that come up beyond the limits 



FIG. 129. LILY OF-THE- VALLEY (Convallaria majali*). 



of the space desired that it shall occupy it can be easily 

 kept within bounds, and this thinning will result in a more 

 vigorous growth of the remaining canes. Only a limited 



