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frequently present on ornamental material. Those of Chamae- 

 cyparis are globular and the scales composing them are shield- 

 shaped while those of Thuja are egg-shaped or ovoid and their 

 scales are flat. 



The forms of Arbor-Yitae are very valuable ornamentally, for 

 they are among the leading evergreens that may be used to secure 

 perpendicular effects. Some of them, as the common native 

 species, are well suited for hedges and lend themselves admirably 

 to trimming. 



Commercially, the Giant Arbor-Vitae is the most valuable, as 

 the main source of shingles in this country. The native eastern 

 species has been used to some extent for various minor industries. 



These trees thrive best in somewhat moist loamy soil and are 

 easily transplanted. 



