86 THE CULTIVATED EVERGREENS 



greater variety of evergreens on the prairies where it is hardy, 

 but apart from this would seem to have little value for orna- 

 mental purposes. 



Whitebark pine, Pinus alhicaulis, is a native of the tim- 

 ber limits of Alberta and British Columbia, where it is but a 

 small scrubby tree. So far as known, it has not been tested 

 on low elevations for ornamental purposes. 



While not having as wide an adaptability as some species, 

 the Austrian pine, Pinus nigra var. austriacay is, perhaps, the 

 most ornamental exotic pine which thrives in Canada. It can 

 be grown successfully in the provinces of Ontario, Quebec, 

 New Brunswick, Nova Scotia, Prince Edward Island, and 

 in British Columbia. It is a handsome tree and makes a 

 good lawn specimen, though not as graceful as the white pine. 



Scotch pine, Pinus sylvestris, is hardier than most exotic 

 species and trees twenty-five to thirty years of age may be 

 found on the Canadian prairies, and here it is proving more 

 useful than in eastern Canada where the tree does not become 

 so shapely as some other species. The Scotch pine varies much 

 in growth and shape, depending on the source of the seed from 

 which the trees are grown. 



Mountain pine, Pinus Mugo, and particularly the dwarf 

 variety known as Mughus, makes a very attractive bushy tree 

 and is always much admired. It succeeds well in eastern 

 Canada and can be grown in some places on the prairies. 



Swiss stone pine, Pinus Cembra, although one of the slowest 

 growing of all pines hardy in Canada, is one of the most orna- 

 mental. It is suggestive of a columnar-shaped white pine, 

 being very upright in growth, which makes it suitable for 

 situations in which a tree is desired that shall not take up 

 too much space. It is very hardy and succeeds in all the 

 provinces of Canada. 



