Ornamental Sbrubs. 237 



leaves. D. hortermsis a much smaller shrub, with white cu- 

 red flowers and ovate, acuminate leaves. There is a fine 

 form of this with variegated leaves, yellow margined in 

 spring, turning into white later on. Under the name of 

 D. hyh'ida many handsome varieties with differently colored 

 flowers are common in gardens. I), rosea is a very florifer- 

 ous kind with numerous white or rose-colored flowers early 

 in summer. This is probably the most desirable species. 

 D. rosea nana is a very compact variety, and nanavariegata 

 a fine spreading shrub with white-margined leaves. The 

 bush honeysuckles make fine specimens for lawns ; they are 

 still more effective in groups of three or more. All thrive 

 in a moderately rich soil. Dry and barren ground is not 

 suitable. 



Viburnum. — The plants belonging to this genus are 

 known under widely different popular names. They are 

 all more or less ornamental, sometimes very showy, shrubs, 

 producing a wealth of flowers in late spring or early 

 summer. 



Snow-Ball Tree or Guelder Rose, V. Opulm sterilis. — 

 A well known large shrub with stout, upright branches and 

 three-lobed leaves. Flowers are white and produced in dense 

 balls in summer. The Japanese snow-ball tree ( V.plicatum) 

 is somewhat smaller in all parts and more compact with fine 

 ovate, plicate leaves and white flowers iu globose cymes in 

 May or June. Both are very ornamental for small groups 

 and shrubberies. The wild form of the guelder rose ( T". 

 Opuh/s) is also a very desirable plant, growing on river 

 banks and iu moist woods. Many of the American vibur- 

 nums are very ornamental plants, covered with pure white, 



