Royal Scot. Arbor. Trans., Vol. XIV., Pl.VIII. 
MICRO-PHOTOGRAPHS OF SECTIONS OF WOODS. 
Fig. 15. 
PYRUS COMMUNIS. Pear Tree. 
Trans. Sect. x 30. 
Fig. 16. 
Quercus CeRRIs. Turkey Oak. 
Trans. Sect. x 40. 
