3 % 
Pogonomyces hydnoides 
Goriolopsis (see previous p.) 
Surface heavily bearded 
Surface not bearded 
Spores brown 
Hymenophore thin, dry, multizonate Gyclopor ellus iodinus 
Hymenophore thin, fibrous, to spongy or corky 
Inonotus 
Sporophore minute, 2 mm, erumpent from lenticels 
I, pusillus 
Sporophore 5-10 cm 
Surface conspicuously hairy 
Pileus thin, 1-2 mm I, pertenuis 
Pileus thick, 7-20 mm I fulvomelleus 
Surface not conspicuously hairy 
Spores deep brown, not zonate, glabrous, hymenium fulvous, tubes 
1 cm. I, jamaicensis 
Spores faint brown 
Pores invisible to naked eye 
Pileus thick, azonate, margin obtuse, hymenium dull 
I, corrosus 
Pileus thin, zonate, margin very sharp, hymenium glistening 
I, Wilsoni 
Pores visible to naked yey, sometimes small , hymenium plane, 
margin blunt, not depressed, surf ace soft and spnggy 
I. fruticum 
POM I TEAS 
Surface of hymenophore covered with reddish brown varnish, context punky 
or corky Gan o derma 
Sporophore stipitate, rarely varying to sessile 
Stipe very long and slender 10-15 cm, G. praelongum 
StSpe short to medium 
Surface of pileus narrowly multizonate 
Pileus and stipe chestnut, 06 m text isabelline 
G. per zona turn 
Pileus and stipe almost black; context dark tavmy 
G, subf ornicatum 
Surface of pileus not narrowly multizonate altho more or less sulcate 
Pileus very large 20-50 cm G* pulverulentum 
Pileus not more than 10 cm 
Context soon indurate, very hard, margin of pileus usually lobed 
G. stipitatum 
Context soft a,nd punky, margin not lobed 
Surface shining, yellowish red to bay or dark brown, tubes 3-5 mr 
long G. sub incrusta turn 
Surface not shining, avellaneous to dull castaneous; tubes 5-10m 
long G. arg.illaceum 
Sporophore sessile, never truly stipitate 
Pileus less than 3 cm broad G. parvulum 
Pileus 8-80 cm broad 
Surface scaly and glistening like mica from excess of resin ;hymenium 
white when young G. nitidum 
Surface normally laccate, tuberculose; hymenium cream colored when 
young G. tuberculosum 
Surface 0 hymenophore not varnished 
Hymenophore stipitate Araauroderma 
Pileus over 3 cm broad: . stioe over 5 mm thick 
Stipe lateral, ascending- 
