Observation 170841: Boletus discolor (Quél.) Boud.

When: 2014-07-20

Collection location: Washington Crossing State Park, Mercer Co., New Jersey, USA [Click for map]

Who: I. G. Safonov (IGSafonov)

No specimen available

Notes:
Growing in deep leaf litter under shady oaks. These were found in exactly the same spot where I collected #141832 last year.

> Macro-chemical Tests:
- KOH on cap = deep rusty brown; NH4OH on cap = grayish green.
- KOH on cap context = pale orange; KOH on stipe context = dark orange-brown.
- NH4OH on cap context = erased bluing; NH4OH on stipe context = erased bluing then stained flesh brownish.
- KOH on pore mouths = mahogany

> Spore print = greenish-brown or olive brown. Exposure to 5% KOH changed it to clay brown

>Microscopy:
[20/1/1]; L x W = (11.6-) 12.1-14 (15.3) x (4.7-) 5.1-5.6 um;
L x W = 13.3 × 5.1 um;
Q = (2.27-) 2.5-2.73 (-2.75); Q = 2.61

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Created: 2014-07-21 21:48:38 MST (-0700)
Last modified: 2014-07-21 21:55:25 MST (-0700)
Viewed: 50 times, last viewed: 2018-02-08 23:23:56 MST (-0700)
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