DISEASES OF TAXODIUM AND LIBOCEDRUS. 29 
ing factor has not acted uniformly but has caused certain 
parts to decay, while others are spared. A fluffy white 
fungus mycelium, covered with drops of liquid as with 
dew, is oftentimes present, but more often none is to be 
seen amid the dry contents of the holes. Several trees 
eT 
APPEARANCE OF WOOD. 
were found near Mobile, Ala., in which the holes were 
partially filled with a peculiar reddish-brown, soft sub- 
stance having a bright shining fracture. This substance 
adhered firmly to the walls, as if forming a part of the 
wood fibers. It will be described more in detail. Asso- 
ciated with this substance peculiar white needle-shaped 
7 
