198 



Coniferous Xlrees. 



busby form ; Hovei/i, a globular variety, tinted golden yel- 

 low ; Vervceneana, oval, golden-tinted; Wa/rreana, dwarf 

 conical, a beautiful variety. The giant arbor-vitse (Th. 



giganted) is a tall 

 and elegant tree with 

 graceful, irregular 

 branches and flat, 

 feathery sprays. This 

 is a fine species for 

 grouping with spruce 

 and fir. Chinese ar- 

 bor-vitse (Th. orien- 

 talis) is a tree of a 

 compact pyramidal or 

 conical habit, less 

 hardy than the com- 

 mon form. There 

 are many varieties 

 with differently col- 

 ored leaves. The 

 best are : elegant is- 

 sima, with golden- 

 tipped branches in 

 summer ; ghtiica, a 

 beautiful b 1 u i s h - 

 white variety — one of 

 the best; pyramidalis, 

 of a columnar habit, 



FIG. 101.— GIANT ARBOR-VIT/E <ThUYA GIGANTEA). 



bright ereen color 



and robust growth. The American "arbor-vitse is very useful 



