COMPOSITION OF VARIOUS TREES 151 



ing small, white flowers. Its dark green leaves 

 are lance-shaped. The shrub grows in ordinary- 

 soils in sunny borders and sheltered corners in the 

 north of England. 



The ashes of PhUIyrea contain in 100 parts : — 



Pine [Pinus austriaca, Pinus excelsa, Pinus 

 sylvestris, etc., Natural Order, Coniferse) is a hardy- 

 evergreen tree. It grows well in limestone and 

 sandstone soils. 



Abies canadensis (the hemlock spruce) is a 

 graceful conifer. It and other pines remind us of 

 Longfellow's lines : — • 



" This is the forest primeval. The murmuring pines and the 



hemlocks, 

 Bearded with moss, and in garments green, indistinct in the 



twilight, 

 Stand like Druids of old, with voices sad and prophetic." 



Pines are picturesque trees and add considerably 

 to the beauty of a garden. They are valuable 



