76 Transactions of the Canadian Institute. [vol. ix 



Polyporus hrumalis (Pers.) Fr. 



On beech log; Muskoka. August to October. 

 Polyporus umhellatus Fr. (Edible). 



On the ground in mixed woods; Muskoka, August; near 

 Toronto, October. 

 Polyporus sulphureus Fr. (Edible). 



On elm stump Toronto. July. On dead pine, Muskoka ; 

 August. Also on the ground amongst buried wood in open woods 

 (with a distinct stem) ; September. 

 Polyporus betulinus Fr. (Edible.) 



On living and dead birch tres; Muskoka, Toronto and Ottawa. 

 September. 

 Polyporus lucidus (Leys) Fr. 



On decaying stumps and logs of hemlock; Muskoka. July 

 and August. 

 Polyporus applanatus (Pers.) Fr. 



Common on trunks and logs of maple and beech; Muskoka. 

 July to October. 

 Polyporus volvulus, Pk. 



On standing trunk of dead hemlock; Muskoka. October. 

 Polyporus albellus, Pk. 



On decaying poplar trunks; Muskoka. August. 

 Polyporus adustus, Fr. 



On dead willow trunk in woods near Toronto. October. 

 Polyporus fumosus, Fr. 



On stump; E. Toronto. October. 

 Polyporus radicatus. Schw. 



On stumps. August. 

 Polyporus pubescens 



On decayed beech log, Rosedale; Toronto, July. E. Toronto ; 

 October. 

 Polyporus rutilans or nidulans 



On dead hemlock; Muskoka. August, September. 

 Polyporus distorius. 



At the foot of stump in woods, Rosedale, Toronto. July. 

 Polyporus gilvus 



On rotten log; Muskoka. September. 

 Polyporus Schweinitzii. 



At the foot of a stump; Muskoka. August. 

 Polyporus benzoinus. 



On fallen dead hemlock; Muskoka. October. 

 Polyporus squamosus Fr. 



On dead trunks ; Toronto, May. 



