REPOKB OF THE STATE BOTANIST I914 91 



wrinkled or so markedly imbricate. It is sometimes subresupinate 

 or reflexed. 



Polystictus versicolor Fr. On birch and wood of deciduous trees. 



Poria attenuate Pk. On poplar wood. 



Poria betulina {Murr.) This is Fomitiporella betulina 

 Murr. of the N. A. F. It was probably referred by Peck to Fomes 

 s a 1 i c i n u s Fr. It is frequent on birch. It has much the appear- 

 ance of P o r i a i n e r m i s . 



Poria cinerea Schzv. On the bark of spruce logs. 



Poria ferruginosa Fr. On fallen branches of spruce. 



Poria medulae-panis Fr. On decaying logs of birch and beech. 



Poria nitida Fr. On wood of some deciduous tree. 



Poria prunicola {Murr.). This is F o m i t i p o r i a prunrcola 

 Murr. of the N.A.F. It forms extensive patches on trunks and 

 branches ofPrunus serotina. 



Poria semitincta Pk. On conifer log. 



Poria tenuis Schw. On decayed wood. 



Poria rufa Schroet. On fallen trunks of spruce where it forms 

 extensive patches. Hymenium is ochraceous — salmon color to 

 mahogany-red (Ridg.), and of a sticky gelatinous nature when 

 fresh ; context pure white ; adnate, sometimes slightly reflexed. It 

 was referred here by C. G. Lloyd. 



Trametes cinnabarina Fr. On dead wood of deciduous trees. 



Trametes mollis Fr. On conifer logs. This is said to be T. cer- 

 v i n u s Pers. It becomes smoky-cinereous in age. 



Trametes Pini Fr. On spruce logs, often forming extensive re- 

 supinate-reflexed sheets. This is the form referred by Peck to 

 T. ab i et i s . 



Trametes serialis Fr. On under side of conifer logs. 



Trametes variiformis Pk. On fallen trunk of white pine. 



Daedalea confragosa Fr. On wood of deciduous trees especially 

 white birch of the locality. 



Daedalea unicolor Fr. On birch etc. The surface of the fresh 

 pileus is often very pale. 



Favolus europaeus Fr. Common on dead limbs and fallen 

 branches, sticks etc. F. canadensis seems to be a synonym. 



Merulius pulverulentus Fr. On decayed wood. The reticulations 

 are composed of grayish white, thick, convolute ridges. 



Merulius subaurantiacus Pk. On dead wood of the balsam fir. 



Merulius tremulosus Fr. On birch bark of dead wood. 



Lenzites betulina Fr. On decayed wood of deciduous trees. 



