CLAS- LIGATION 385 



The pores appeal to he !;:evish brown when seen one way, and 

 white when seen the opposite way. 



On dead oak wood, pianks, etc. 



P. viridans. — Patches 2-4 in. long, thin, white, then pahid green ; 

 pores minute, angular. 



On rotten wood. 



P. renneyi. — Rather thick, frothy, then dry, white, changing to 

 citron-yellow ; pores white, few, somewhat elongated. 



On stumps and running over the ground. 



P. terrestris. — Effused, very thin, consisting of fine hyphae, 

 evanescent, white, then brownish ; pores central on the mass, very 

 minute, angular. 



Very thin, almost disappearing when touched. 



On the ground or on rotten wood, in damp places. 



P. cincta. — Forming small scattered tufts, each surrounded by 

 fibrillose strands, white, then pallid ; pores minute, angular, walls 

 very thin, edge toothed, buff, darker when dry. 



Tubes up to 2 lines long. Brown and rigid when dry. 



On old deal boards. 



P. subgelatinosa. — Patches more or less circular, subgelatinous, 

 edge raised, whitish and downy, becoming blackish ; pores grey, 

 angular, very shallow. 



On dead wood, also on species of Polyporus. 



P. sanguinolenta.— Commencing as scattered nodules which soon 

 coalesce and form an extended patch, white, becoming blood-red 

 when touched ; pores roundish, small. 



Easily recognized by its remarkable change of colour when 

 bruised. 



On branches, rails, boards, etc. 



*** White with a pink or red tinge. 



P. rhodella. — Soft, thin, edge naked, determinate, white with a 

 pink or rosy tinge ; pores minute, short, roundish. 



On trunks of beech, fir, etc. 



P. micans. — Forming roundish patches, several often running 

 into each other, soft, white with a flesh tinge ; pores shallow, 

 angular, resembling honeycomb, edge minutely toothed. 



On dead wood, rotten trunks, etc. 



**** Pores yellow, ochraceoiis or lioncy-colonr. 



P. Iccstadii. — Thin, nodulose here and there, separable ; pores 

 circular or rather wav}^ minute, bright citron-yellow. 



On old boards. 



P. nitida. — Patches with a determinate, downy margin ; pores 

 short, minute, round, bright yellow or almost golden, shining. 



On rotten wood. 



