Dec. 1,1924 
Diagnosis of Decay in Wood 
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Picea cana¬ 
densis. ! 
Sporophore 
from Tilia 
americana. 
I 
_do.! 
Liquidambar 
styraciflua . 
.do. 
L. decurrens . 
Picea cana¬ 
densis. 
.do_ 
!_do_ 
Abies balsa- 
mea. 
Acer sacc- 
harum , 
Pinus pon¬ 
der osa. 
_do_ 
Sporophore. 
Typical rot. 
SDores_! 
Typical rot. 
.do. 
.do_ 
Incipient 
rot. 
Typical rot. 
.do_ 
_do_ 
_do. 
I.do_ 
i 
_do. 
Many coni¬ 
fers and 
Alnus te- 
nuifolia . 
Abies gran- 
dis, Tilia 
americana, 
and other 
hardwoods. 
__do_ 
Liquidambar 
styraciflua. 
.do. 
Libocedrus 
decurrens. 
Pinus pon- 
derosa and 
Picea can¬ 
adensis. 
Picea cana¬ 
densis. 
.do. 
Abies balsa- 
mea and 
Thuja oc¬ 
cidental™. 
Picea engel- 
manii, Pi¬ 
cea cana- 
densis, and 
,4cer sac- 
charum. 
Pinus pon¬ 
der osa. 
_do- 
.do. 
Brown mot¬ 
tled rot. 
do 
White spongy 
rot. 
_do. 
Brown pocket 
rot. 
White pocket 
rot. 
_do. 
_do.. 
Brown cubi¬ 
cal rot. 
White mot¬ 
tled rot. 
White pocket 
rot. 
_do_ 
Lenzites sepi- 
aria. 
Pholiota adi- 
posa. 
Do 
Polyporus 
adustus (?). 
Do------- 
Polyporus am- 
arus. 
Polyporus an- 
ceps. 
Do.. 
Polyporus an- 
ceps, 3 tubes. 
Polypor us bal- 
sameus. 
Polyporus bo¬ 
realis. 
Polyporus el- 
lisianus. 
Do_ 
Pare cultures secured from Dr. C. J. Humphrey. 
