SYLVICULTURE. 



V. Distance between the crowB levels of the shaded and of the 

 shading trees. 



Instances for I and III. 

 Wliite I'ine is, in the south, almost shade bearing; in the 

 north it is almost light demanding. 



Yellow Poplar on fertile soil stands heavy shading overhead. 



D. AVoody species in their relative order of resistance against 

 heavy shading might be arranged as follows: 



I. Relative order for the southern Appalachians: 



Witch Hazel. 



Dogwood. 



Fir. 



Hemlock. 



Hard Maple. 



Chinquapin. 



Black Gum. 



Spruce. 



Soft Maple. 



White Pine. 



Pinus virginiana. 



Linden. 



Chestnut. 



Red Oak. 



MTiite Oak. 



Chestnut Oak. 



Ash. 



Spanish Oak. 



Black Oak. 



Finger Oak. 



Post Oak. 



Pinus rigid a. 



Black Locust. 



Poplar. 



Hickory. 



Pinus cchinata. 



Sassafras. 



Unfortunately, at Biltmore, shade bearers are usually weeds 

 interfering with the valuable species. 



ir. Pinchot gives the following schedule for the Adirondaeks: 



Hard Maple. 



Beech. 



Hemlock. 



32 



