284 THE BOOK OF FORESTRY 



2. Without clear demarkation in color between heart- 

 wood and sap wood. 



a. Heartwood little, if any, darker than sapwood. 

 al. Wood harsh and splintery, often knotty and 



cup shaken, rather close grained. Notice- 

 able contrast between spring and summer 

 wood. Color light brown with slight 

 reddish tinge. Disagreeable odor when 

 wet. 



HEMLOCK Tsuga canadensis 



a2. Wood light, soft, weak, growth rings often 

 very wide. Color white or straw-color, 

 occasionally pale brown in old trees. 



BALSAM FIR Abies balsamea 



b. Heartwood more deeply colored than sapwood, 



fading gradually outward. 



61. Color widely variable, wood variable as to 



hardness, often "pecky." 1 Smooth sur- 

 face of sound wood looks and feels greasy. 

 Rays numerous, rather prominent. 



BALD CYPRESS Taxodium distichum 



62. Mild resinous odor, but tasteless. Wood light 



and soft, color pale brown or reddish; 

 intermingling of lighter and darker shades. 



WHITE CEDAR Thuja occidentalis 



1 Pecky means full of small holes caused by fungus disease. 



