Observation 35252: Sarea resinae (Fr.) Kuntze
When: 2010-03-19
Herbarium specimen reported

Notes: On old pine resin in scar in crook of eastern white pine, near top of tree.

APOTHECIA: scattered distantly, tiny, orange with slightly lighter somewhat ragged rims, flat to slightly convex, very constricted below but not at all stipitate
PARAPHYSES: slender, orange-pigmented with oil, rounded tips, unbranched, not sticking together, IKI-
EPIHYMENIUM: POL+ white
EXCIPLE: hyaline and POL+ white at edge, orange inside, made of large elongate rounded oily hyphae in gelatinous matrix, radiating, same below hymenium
HYMENIUM orangish, IKI+ dark blue, tall, filled with oil droplets of various sizes 1-5 µm or thereabouts
ASCI: long cylindrical, smooth, evenly thickened IKI+ dark blue wall, ruptures at tip but no clear dehiscence
SPORE: many per ascus, perfectly round, smooth, ~2 µm, IKI-or slightly golden, (2.68)2.82+/-0.16(3.08) µm (N=7)

Images

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82382
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82385
apothecial section, in water, at 100x
82386
apothecial section, in water, at 100x, in cross-polarized light
82387
ascus and mature spores, in water, at 1000x
82388
paraphyses, in water, at 1000x
82389
ruptured ascus tips, stained in Lugol’s, at 1000x
82390
excipular hyphae, in water, at 1000x

Proposed Names

54% (1)
Eyes3
Recognized by sight

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Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

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blush
By: Jason Hollinger (jason)
2010-04-05 11:12:18 CDT (-0400)

I was looking for weird lichens, to be honest, but weird ascos will do in a pinch!

I’m impressed
By: Irene Andersson (irenea)
2010-04-05 04:58:08 CDT (-0400)

not only by the presentation, but also finding it.
This tiny species is usually just found by people who know it and are particularly looking for it :-)

Thanks Irene!
By: Jason Hollinger (jason)
2010-04-05 04:36:45 CDT (-0400)

Created: 2010-04-05 03:51:39 CDT (-0400)
Last modified: 2010-04-05 11:12:55 CDT (-0400)
Viewed: 138 times, last viewed: 2016-10-25 10:20:58 CDT (-0400)
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