Identifying Your Bolete
2.1
HOLLOW-STALKED LARCH SUILLUS
Suillus cavipes
Frequency
Plentiful
Habitat Area
In autumn, under larches and other conifers.
Cap
Covered with brown fibrils or scales, greenish yellow to dark rusty brown.
Margin
Appendiculate.
Tubes
Short, adnate. sometimes decurrent.
Pores and Pore Surface
Pore surface pale yellow to olive-yellow, immutable.
Pores angular, 0.5 to 1,5 mm or more wide.
Stalk
Hollow.
Stalk Feature
Stalk concolorous to the cap with the same dark brow or yellow-brown fibrils or scales, of a pale color above the gaiter.
Flesh
White to pale yellow, immutable.
Basal Mycelium
White.
Chemical reactions
Flesh: towards gray more or less pale, except with formalin.
Cap and stipe: no reaction, except discoloration of the cap with phenol.
Comments
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Several authors associate the Hollow-stalked Larch Suillus with Larch; however, we have also encountered it under Black Spruce, Jack Pine and Balsam Fir.
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