230 Ornamental Sbrubs. 



woods and thickets. The white-flowered raspberry (R. 

 Nuikanus) has larger, pure white flowers, and the Rocky 

 Mountain bramble (R. delicio&us), white or rose-colored 

 flowers resembling a single rose. The wild 

 brambles or blackberries (R. Occidentals, 

 R. villosus) and the dewberry (It. Canaden- 

 sis) as well as mauy forms of the European 

 bramble (R. fruticosus) may be used to pro- 

 duce thickets on stony and rocky banks, or 

 as an undergrowth in certain parts of the 

 FIQ. 111. -ROSE shrubbery with the most beautiful effect. 



BRAMBLE (RUBUS J 



DELICIOSUS). The smaller kinds are handsome in rockeries. 

 All do best in rich, woodland soil. 



The Rose, Rosa. The choicer varieties of hybrid and 

 other hardy roses cannot be considered in this treatise; 

 only species that can be utilized in producing landscape 

 effects, such as the sweetbriar and the showy Japanese rose. 

 These are useful both in shrubberies and rockeries and for 

 planting in groups on the lawn. 'The sweetbriar (Rosa ru- 

 biginosa) is a tall and graceful shrub with slender, arching 

 branches. Leaves pinnate with roundish, serrate leaflets and 

 solitary, bright pink flowers in June. Plant and flowers 

 both are fragrant. The dog rose (Rosa canina) is similar in 

 habit to the last, with smooth leaves, dark and glossy on the 

 upper side. Flowers in clusters pure white, flesh-colored, or 

 of a bright rosy tint, and very numerous. These may be 

 used for forming picturesque thickets in company with the 

 brambles, or in mixed shrubberies or small groups on the 

 lawn. They are both very good hedge plants. The white 

 rose (R. alba) is an old and useful hardy shrub, with many 



