THE ART OF THE SECOND GROWTH 



Soft Maple. 



Birch. 



White Pine (intermediate). 



Black Cherry. 



Black and White Ash. 



Bird Cherry. 



Cottonwood. 



Tamarack. 

 The trees above Wliite Pine, Pinchot calls " tolerant " and those 

 below White Pine, " intolerant of shade." Species neither tolerant 

 nor intolerant are " intermediates." 



III. The leading species of the United States, classed according 

 to light or siiade-demanding qualities are: 



a. Eastern Conifers: 



Long Leaf Pine — distinctly intolerant of shade. 

 / /Echinata — light demander. 

 y' Taeda — intermediate. 

 7 Virginia — intermediate. 



Rigida — not so tolerant as Virginiana. 

 ; <:Bald Cypress — light demander. 

 ^T^Chamaecyparis spheroidea — shade bearer. 

 J'Spruce — fair shade bearer. 

 ' Balsam — intense shade bearer, 

 i- Hemlock — intense shade bearer. 

 j ^ Tamarack^ — light demander. 

 J5 Arbor vitae — shade bearer. 

 ■ White Pine — intermediate. 



Jack Pine — liglit demanding towards intermediate. 

 j I Norway Pine — light demander. 



b. Eastern hardwoods: 



/ Beech — shade bearer. 



Hard Maple — shade bearer. 

 Silver Maple — shade bearer. 

 Red Maple — shade bearer. 

 Black Gum — shade bearer. 

 / " Sourwood — light demander. 

 / '- Locust — light demander. 

 / •^^ Yellow Poplar — light demander. 

 Chestnut — intermediate. 

 Oaks— light demanders (White and Red Oak stand shade 



when yoving). 

 Elm — shade bearer. 



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