KEY TO SPECIES 287 



o2. Light and soft. Color of heartwood light 

 reddish brown, sapwood thin and ivory 

 white. 



BUTTERNUT Juglans tinerea 



b. Pores all minute and indistinct; most numerous 



in spring wood, causing a lighter colored zone 

 or line appearing sometimes like a ring-porous 

 wood, heartwood reddish; pith rays very 

 fine but very distinct. Wood hard, taking 

 a fine finish. 



BLACK CHERRY Prunus serotina 



c. Pores minute or indistinct, neither larger nor more 



numerous in the spring wood; evenly dis- 

 tributed. 

 cl. Broad pith rays present, 



ol. All or most pith rays broad, numerous and 

 crowded, especially tangential sections, 

 medium heavy and hard, difficult 

 to split. 



SYCAMORE Platananus occidentalis 



61. Only part of pith rays broad, well defined, 

 quite numerous. Wood reddish white 

 to reddish. 



BEECH Fagus americana 



c2. No pith rays present. 



al. Wood hard. Color reddish white with 

 dark reddish tinge in outer summer 

 wood. 



MAPLE 



a2. Most of pith rays broader than the pores 

 and very conspicuous. 



HARD OR SUGAR MAPLE 4cer saccharum 



12. Pith rays rarely broader than the pores, 

 fine but conspicuous, wood light 

 colored. 



SOFT MAPLE Acer saccharinum 



