OUR COMMON WOODS 



229 



or lines. Wood parenchyma in numerous fine but distinct 



tangential lines. 



Hickory, Fig. 149. Pores in early wood moderately large, 

 not abundant, nearly round, filled with tyloses. Color 

 brown to reddish brown; thick sapwood, white. Odorless 

 and tasteless. Wood very heavy, hard, and strong. Hick- 



FIG. 150. Elm. (Magnified 25 times.) 



ory is readily separated from ash by the fine tangential 

 lines of wood parenchyma and from oak by the absence of 

 large rays. 



The wood is largely used for vehicles, tool handles, agricul- 

 tural implements, athletic goods, and fuel. 

 (d) Pores in late wood small and in conspicuous wavy tan- 

 gential bands. Wood parenchyma not in tangential lines. 

 Elm. Pores in early wood not large and mostly in a single 



