288 THE BOOK OF FORESTRY 



61. Wood soft to very soft. 



02. Pores crowded, occupying nearly all the 



space between pith rays. 



03. Color yellowish white, often with a greenish 



tinge in heartwood. 



\VH1TEWOOD Liriodendron tulipifera 



or 

 TULIP 



62. Pores not crowded, occupying not over | 

 the space between rays; heartwood 

 brownish white to very light brown. 

 Wood light, soft and moderately 

 strong. 



BASSWOOD Tilia americana 



c3. Pith rays scarcely distinct, yet if viewed with 

 ordinary lens, plainly visible as grayish 

 brown specks on the cross-section. Sap- 

 wood white, heartwood reddish. 

 ol. Pith rays fairly distinct, the pores rather 

 few and not more abundant in the 

 spring wood. 



'BIRCH either 



CHERRY BIRCH Betula lenta or 

 YELLOW BIRCH Betula lutea 



