Identifying Your Bolete
6.42
LILAC-BROWN BOLETE
Tylopilus eximius, Sutorius eximius
Frequency
Infrequent
Habitat Area
Under hemlock and spruce, in mixed forests and in fir-birch stands.
Cap
Purple-brown to grayish brown, occasionnaly reddish brown.
Margin
Even, with a narrow band of sterile tissue.
Tubes
Adnate, depressed near the stalk, always brown, even young.
Pores and Pore Surface
Pore surface dark brown at first, immutable or staining darke brown slowly; pores nearly circular, up to 3 per mm.
Stalk
Equal to tapered downward.
Stalk Feature
Stalk decorated with tiny purplish brown scales along its entire length.
Flesh
Whitish, staining gray-purple or gray-brown, sometimes blue, when cut, especially in the stipe.
Basal Mycelium
Chemical reactions
FLESH: to gray with KOH, NaOH, FeSO4 and NH4OH; towards blackish with phenol and no change with formalin.
CAP-STIPE: decoloring the cap with KOH, NaOH and NH4OH; towards black on the cap with phenol; gray on the stipe with all the reagents, except formalin which reacts very little.
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