252 



Bulletin 193. 



an easy matter to trace the connection of the punk in the log with 

 the fruitinii: bodv in all cases. 



PoLYPOKUS PiNICOLA OX BrOAD-LeAVED TeEES. 



I have not found any record of Polyjporus pinicola on broad- 

 leaved trees. I have, however, found it on three different species 

 in the Adirondack mountains, on the beech {Fagus ferruyinea)^ the 

 birch {Betula lenta), and the maple {Acer saccharum). 



Tkametes Abietis. 



This plant is common on spruces and balsams. It is a shelving 

 form, and much smaller than the species of polyporus just described. 



^y 



".r - .. .' « ■ j;fg». 



86. — Fruit body of Trametes abietis spread out on surface of limb. 



The caps stand out from the wood 2 to 5 cm., are somewhat trian- 

 gular in side view, and broader than long. The base is usually 

 spread out where it is attached to the tree, and often the entire 

 plant is spread over the surface of the wood. In this case no shelf 

 form is developed. The upper surface of the shelf is marked by 

 concentric fui'i-ows and ridges, and is more or less velvety or hairy. 

 When young the fruit bodies are tawny in color, but in age they 

 become a darker brown, especially above, while the fruiting surface 

 is a yellowish brown. 



