1908] ATKINSON—POLYPORUS LUCIDUS 329 
Fis. 4—Ganoderma oregonense Murrill, from Corvallis, Oregon (natural size). 
Point of attachment with the older portion. There is also a faint 
hncation of the main portion of the hymenophore, but whether 
his is due to successive annual layers is doubtful, and can be deter- 
