FUNGI 43 



on Vaccinium ovalifolium? ) ; Seldovia (Saunders, 714, on V. oxy- 

 coccus) . 



Peniophora discifonnis borealis Peck, var. nov. t 



Yakutat Bay (Trelease, 583). 



Differs from the description of the species in having a slight pink- 

 ish tint and in its smaller cystidia, which are only half as long and 

 broad as in the species. The disk is covered with a distinct white 

 pruinosity or pulverulence. The specimens are sterile. Fertile speci- 

 mens may show it to be a distinct species. 



Corticium incamatum (Persoon) Fries. 



Farragut Bay (Trelease, 582). 

 Hymenochaete tabacina (Sowerby) L^veille.f 



Sitka (Trelease, 583a). 

 Thelephora laciniata Persoon. { 



Alaska (Evans, 410). 



Family POLYPORACE^. 

 Poria crassa Karsten?} 



Farragut Bay (Trelease, 577). 

 Sterile and doubtful. 



Polystictus radiatus (Sowerby) Fries. t 



Kukak Bay (Kincaid, 575). 



The specimens are very old, weathered and discolored, but appar- 

 ently belong here. 



Polystictus abietinus Fries, f 



Point Gustavus (Coville & Kearney) ; Orca (Trelease, 579). 



Also collected along Lowe Inlet, B. C. (Trelease, 581), where P. 

 versicolor L., as determined by Professor Saccardo, was also collected 

 (Trelease, 580). 



Fomes fomentarius (Linnaeus) Fries. t 

 White Pass (Trelease, 574, on Betula). 



Fomes pinicola Fries, t 



Orca (Coville & Kearney, a small depressed form ; Trelease, 573, 

 the form having a pallid margin) ; Sitka (Coville & Kearney, the pale- 

 margined form). 



This species is not limited in its habitat to pine trees or even to 

 coniferous wood. 



