Identifying Your Bolete
3.2
SLIPPERY JACK
Suillus luteus
Frequency
Plentiful
Habitat Area
Associate with many conifers, mainly pines, more prevalent in the boreal forest.
Cap
Sticky, viscous, yellow to reddish brown or ochre.
Margin
Appendiculate with velar remnants.
Tubes
Short, adnate.
Pores and Pore Surface
Pore surface pale yellow when young, olive-yellow in age, immutable; small pores, round to angular.
Stalk
Equal, stocky, white and glandular above the ring, often adorned with a brown gaiter below; in the absence of gaiter the stipe is white.
Stalk Feature
The unique characteristic of this bolete is to have a conspicuous white veil, purplish brown on its hidden side.
Flesh
White to yellowish, immutable.
Chemical reactions
Flesh: towards bluish gray for KOH, NaOH and FeSO4; nothing for NH4OH, phenol and formalin.
Cap and stipe: towards brown for KOH and NaOH, no reaction with phenol and formalin.
Tubes: towards brown for KOH, NaOH and FeSO4; towards brownish pink for NH4OH; no change for phenol and formalin.
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