CLASSIFICATION 379 



separate it from F. applajiatits. One of our largest species, often a 

 foot across. 



On trunks of lime, elm, etc. 



F. fulvus. — Triangular in section, very hard, convex above and 

 below, pileus even, downy, tawny and greyish, flesh rusty ; pores 

 cinnamon. 



On decaying trunks, especially poplar. 



F. annosHS. — -Irregular in form, coarsely radiately wrinkled, 

 smooth, chestnut, edge white, pores whitish. 



About roots and stumps of conifers. Parasitic. 



F. applanatiis. — Horizontal, semicircular, rather thin, cap 

 flattened, nodulose, polished, brown, 5-10 in. across ; pores whitish, 

 hymenium flat. 



Distinguished by the brown pileus and the flat \\'hite hymenium. 



On trunks. 



F. conchatiis. — Thin, rigid, effuso-reflexed, the reflexed portion 

 curved ; tubes very short, pores minute, every part rusty brown. 



On trunks of willow, etc. 



F. variegatiis. — Pileus 3-5 in. across, flattened, thin, corky, even, 

 smooth, zoneless, shining, orange variegated with chestnut ; pores 

 yellowish. 



On trunks. 



F. rihis. — Horizontal, imbricated, rigid, flattened, velvety, rusty ; 

 pores minute, rusty. 



On old currant and gooseberry bushes, often imbricated and 

 running down the trunk. 



F. carneus. — Effuso-reflexed or horizontal, 2-6 in. long, wood}^, 

 thin, smooth, zoneless, radiately wrinkled, dingy flesh-colour ; pores 

 decurrent. 



On trunks, stumps, etc. 



F. resupinatus. — Resupinate, forming a crust often broadly 

 effused, with here and there nodulose outgrowths or pilei, very 

 thin, pores nearly circular, entirely rusty. Tubes stratified. 



On trunks and branches. 



F. fermginosHs. — Broadly effused, resupinate, -|-i in. thick, with 

 here and there free projecting pilei ; tubes elongated. Altogether 

 rusty, then brownish. 



Forming broadly effused crusts on trunks, posts, etc. 



POLYSTICTUS 



Pileus coriaceous, thin, velvety or fibrillose ; tubes quite shallow^ 

 not stratified. 



Distinguished from Polyporus by the thin substance, velvety or 

 fibrillose pileus and very shallow pores. Fomes differs in the thick, 

 woody structure and stratified tubes. 



