78 



CONTAINED IN DIFFERENT KINDS OF WOOD. 



ig) Acanthopanax innovans, (Araliaceae) 8.409 

 S. et Z. 



20) Juglans mandshurica, Maxim. (Juglandaceae) 6.985 



21) Phyllostachys nigra, Munro. (Gramineae) 6.234 



We see, therefore, that the Conifers are comparatively poor 

 in wood-gum, and Ternstrcemia and Melia are also poor. 

 Cupuliferas are richer, Juglans, Magnolia, Cladrastis, Acantho- 

 panax, etc. are still more so. 



