386 BRITISH FUNCI 



P. bombycina. — Silk}', thin, loosely attached to the matrix, edge 

 velvety, dirty yellow ; pores large, angular and wavy. 



On rotten wood. 



P. ramentacea. — Patches roundish, edge obsolete ; pores honey- 

 colour, large, angular, edges entire. 



Cartilaginous when dry. 



On dead branches. 



***** Pores mnher, rufous, brown, purple, flesh-colour or cinnamon. 



P. imibriyia. — Patches 2-3 in. across and up to | in. thick, rather 

 uneven, dingy umber ; pores minute, roundish. 



Distinguished by the umber colour and the pale, smooth edge. 



P. rufa. — Thin, leathery, determinate, blood-red with a rufous 

 tinge ; pores minute. 



On branches and fallen trunks. 



P. aneirina. — Patches thin, tawny, edge white ; pores large, 

 waxy, angular. 



Distinguished by the large pores, which have a peculiar waxy 

 aspect, becoming contracted and torn when dry. 



On dead wood and branches, especially poplar. 



P. incarnata. — Forming patches 3-6 in. across, corky, persistent, 

 edge often reflexed, flesh-colour ; pores elongated, irregular, often 

 obhque. 



Care must be taken not to confound this species with Polystictus 

 abietinus, which differs in the large, torn pores, violet, then pale. 



On rotten trunks of conifers. 



P. violacea. — Patches thin, violet-colour ; pores very shallow. 



To be carefully distinguished from P. incarnata, which is much 

 thicker ; also from Polystictus abietinus. 



On fir stumps, trunks, and poles. 



P. purpurea. — Broadly and irregularly effused with mycelium, 

 producing here and there clusters of minute purple pores. 



On rotten trunks of beech, willow, etc. 



P. contigua. — Effused, about J in. thick, cinnamon when young, 

 dingy when old ; pores rather large, equal, entire. 



On rotten wood and fallen' branches. 



Trametes 



Horizontal and attached by a broad base, more or less semi- 

 circular in form, corky or woody ; pores roundish or somewhat 

 elongated radially with thickish plates ; pores penetrating to dif- 

 ferent depths into flesh of cap. 



Intermediate between Dcedalea and Polyporus, differing from 

 the former in not having long, wavy pores and thick, gill-like 

 plates ; and from the latter in not having the pores of uniform 

 depth and size. 



