Observation 171169: Suillus hirtellus (Peck) Snell

When: 2014-07-22

Collection location: Franklin Parker Preserve, Chatsworth, New Jersey, USA [Click for map]

Who: I. G. Safonov (IGSafonov)

No specimen available

A single specimen growing in mixed woods of pitch pine and scrub oak.

> A dingy-yellow, glabrous to touch pileus covered with grayish-yellow hairs (seen with a lens).
> The pore surface developed faint purple-lavender stains when handled, though they didn’t persist.
> The spore print was brownish green at 50-60% relative humidity, as seen in natural light.

> Macrochemical Tests:
- KOH = deep amber brown on cap; redish-brown flash resolving to medium brown on context
- NH4OH = gray-green on cap; brownish-green on context
- FeSO4 = olive green on context

> Microscopy:
[20/1/1]; L x W = (7.9-) 8.4-8.8 (-9.3) x 3.0-3.3 um
L x W = 8.5 × 3.1 um
Q = (2.5-) 2.57-3.03; Q = 2.71
Spore shape = subfusiform, cylindric; greenish in KOH; multiguttulate with 1-3 larger oil droplets

Proposed Names

57% (1)
Eye3 Eyes3
Recognized by sight: Developed purplish-lavender stains on the pore surface
Used references: North American Boletes by Bessette-Roody-Bessette;
Based on microscopic features: See Notes

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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Created: 2014-07-26 05:13:38 WIB (+0700)
Last modified: 2014-08-21 10:00:49 WIB (+0700)
Viewed: 15 times, last viewed: 2017-06-19 00:07:15 WIB (+0700)
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