PLATE II. 
Bul. 1128, U. S. Dept. of Agriculture. 
Baie <p cn 
Felgen erecta oan ae 
bepdewerenen rents pe pcg ee NT OE OER AT OTE Siete 
. Peal 7 « » - an 
Seat eee o W DP any 
R 
is caused by the ring-scale fungus. 
F) 
SECTION OF THE HEARTWOOD OF DOUGLAS 
‘The typical decay here shown 
The light-colored 
wood at the right is sound sapwood. 
HOEN &€O 
A 
