CLASSIFICATION 389 



D. latissima. — Resiipinate, broadly effused, pale wood-colour, 

 thickish ; pores narrow, some long and very wavy, others roundish. 



Often extending- for a foot or more as a continuous sheet. 



On dead wood. 



D. vermicidayis. — Adnate, thin, pores short, wavy, flesh-colour 

 with a reddish tinge. 



Broadly effused on the ground, fixed by fibres. 



D. jeryuginea. — Adnate or partly free, yellowish rust-colour ; 

 pores narrow, wavy, with a broad, smooth margin all round, 

 rusty brown. 



More or less circular in outline, J-t| in. across. 



Merulius 



Somewhat soft and subgelatinous when moist ; hymenium vari- 

 ously wrinkled or fold-like, the ridges or wrinkles running together 

 to form an irregular network. 



Differs from Povia in the vague and irregular nature of the pores 

 and in being subgelatinous. 



M. lacyymans. — Broadly effused, thick, soft and moist, rich 

 orange-brown, irregularly wrinkled, margin white and cottony, be- 

 coming greyish, and often running out in long strands ; spores 

 brown. 



On trunks, worked wood. Very destructive to wood in houses 

 that are badly ventilated. 



M. IcBticoloy. — Adnate, bright orange, edge downy, white ; hy- 

 menium at first even, then slightly wrinkled, 1-2 in. across. 



Running over sawdust, leaves, etc. 



M. molluscus. — Adnate, thin, soft ; hymenium with ridges form- 

 ing shallow pits, flesh-colour, margin downy, white. 



One edge is sometimes free and reflexed. 



On wood and branches. 



M. tyemellosus. — Soft and cartilaginous, edge free, upturned, 

 usually ragged and radiating ; hymenium variously wrinkled and 

 porous, whitish and opalescent, becoming tinged brown, 1-3 in. 

 across. 



The edge is often tinged rose-colour. 



On wood. 



M. corium. — Effused, upper edge or all round free and upturned, 

 whitish and silky underneath ; hymenium slightly wrinkled, pale 

 ochre to tan, often with a pink tinge. 



Very variable in size and colour, but known by the white, silky 

 under surface and the pale ochraceous hymenium. 



M. auyantiactis. — Adnate and partly reflexed, under surface 

 coarsely tomentose, tough ; hymenium orange, somewhat wrinkled 

 and porose, about i in. across. 



