302 



WOOD AND FOREST. 

 ADDITIONAL N OTES — Continued. 



H 



■L:ivl .-.:!; 



cuch J Svtamore '• Birch 



Fig. 13f). Wood of Heech, Sycamore and Birch. 



Pith rays not or rarely broader than the pores, fine but conspicuous. 

 a. Wood heavy and hard, usually of darker reddish color and com- 

 monly spotted on cross-section Red !Maplb. 



6. Wood of medium weight and hardness, usually light colored. 



Silver INIaple 



iiiiill^ 





Fi}.'. 137. Wood u( Maple. 



Red maple is not always safely distiuguislied from soft maple. In box 

 elder the pores are finer and more numerous than in soft maple. 

 Tlie various species of elm may be distinguished as follows: 



1. Pores of spring wood form a broad band of several rows: easv split- 



ting, darl< brown heart Eed Elm. 



2. Pores of spring wood usually in a single row. or nearlv so. 



a. Pores of spring wood large, conspicuously so White Elm. 



6. Pores of spring wood small to minute. 



