ORNAMENTAL TREES AND SHRUBS FOR MONTANA 35 



oblong to narrow oblong; flowers pink, borne in panicles from 4 

 10 6 inches long. It is not hardy at this station and must be given 

 protection during the winter months. 



(Spiraea Anthony Waterer) This plant is not hardy at this 

 station, and kills to the ground each winter. 



(Spiraea Billardii) This plant is not hardy at this station. 



(Spiraea, Japonica) This plant kills to the ground each win- 

 ter and is not hardy at this station. 



Bridal Wreath: (Spiraea pruni folia) is not hardy at this 

 station. 



(Spiraea Cantoniensis,) single, is not hardy at this station. 



(Spiraea Cantoniensis, var. fiore pleno,) double, is not hardy. 



(Spiraea Thunbergii) This is a very graceful shrub, growing 

 to a height of about five feet. The flowers are white and borne in 

 umbels early in the season. It is almost hardy at this station. 

 7 he tips of the plants kill back a little each winter, but not enough 

 to interfere with the subsequent growth or flowering of the plant. 



(Spiraea trildbatcu) is not hardy. 



(Spiraea Van Houttei). This shrub grows to a height of 5 

 or 6 feet and is one of the most beautiful ornamental plants we 

 have grown at this station. It is almost hardy and when given 

 slight winter protection, will not kill enough to interfere with 

 growth or flowering. 



Spiraea Thunbergii and Spiraea Van Houttel are-,yery desir- 

 able plants for specimens on the lawn or for the borders of walks 

 and drives or shrubberies. 



SYMPHOROCARPUS. 



Snow Berry: (Symphorocarpus raceinosiis) This is a shrub 

 tuat grows to a height of about 4 feet. It is a native of Mon- 

 tana and does well when put under cultivation. It is a desirable 

 plant for shrubberies and when properly trained makes a fairly 

 good hedge. 



THE LILACS. 



These are among the most important of our hardy ornamental 

 plants, and the common lilac, at least, is well known. 



Purple Lilac : (Sj/ringa vulgaris) This shrub is well known 



