TREES AND SHRUBS FOR GARDEN AND PARK. 



the Order Ericaceae, and is excellent for masses in a rockery or rough ground. The Flowering 



varieties, D. alba and D. bicolor are useful. 



DAPHNE. D. Mezereum, the " Mezereon," 

 with red flowers, and the varieties D. M. 

 grandiflorum and D. M. album, flower 

 early in Spring, and are very fragrant. 

 The following species are also very 

 interesting : D. Blagayana, with white 

 flowers. D. Cneorum, the " Garland 

 Flower," and the variety D. C. major, 

 grows about i ft. high. D. laureola, 

 the " Spurge Laurel," grows about 3 ft. 

 high, and has evergreen leaves. This 

 makes a capital undergrowth. P. 



DEUTZIA. Very beautiful deciduous flower- 

 ing shrubs. The following is a list of 

 the best. D. corymbosa, with white 

 flowers, grows about 4 ft. high ; D. 

 crenata grows 8 ft. high ; D. gracilis 

 and its varieties are very good ; D. 

 Lemoinei is a hybrid between D. 

 gracilis and D. parviflora. All the 

 species flower during May and June. T. 



DIERVILLA (syn. Weigela). Handsome 

 flowering shrubs well deserving more 

 extended cultivation. They thrive in 

 any ordinary garden soil, are very 

 profuse bloomers and have a graceful 

 spreading habit ; with their long 



shrubs. 





FIG. 363. QUALITIES OF FOLIAGE (MASS) . 



racemes of bell-shaped flowers in Spring and gorgeous foliage in Autumn, they are 



always pleasing. 

 D. floribunda and 



^ -^*L D. grandiflora 



have given us D. 

 hybrida, which 

 comprises quite a 

 number of excel- 

 lent forms of 

 which the follow- 

 ing are most beau- 

 tiful: Abel Car- 

 riere, Eva Rathke, 

 D. rosea, D. Can- 

 dida, and D . 

 amabilis. T.S. 

 EL^AGNUS. This is a 

 most useful genus, 

 as it comprises 

 both deciduous 

 and evergreen 



shrubs. The most useful forms are E. argentea, the " Silver Berry," which grows 



FIG. 364. QUALITIES OF FOLIAGE (LIGHT AND SHADE). 



295 



