Observation 191189: Boletales E.-J. Gilbert
When: 2014-09-08
No herbarium specimen

Notes: -This specimen was associated with the soil, and it was found growing by itself near a little/thin tree.
-When it was smelled, it had a faint odor that was neither pleasure or unpleasant.
-The diameter of the pileus was measured to be about 7.0 cm.
-The surface of the pileus had a slightly velvet feel to it. The surface was also areolate/cracked.
-The pileus was medium brown in color, but it had “cracked” spots that were black in color.
-The pileal shape was umbonate, or having a “broadly rounded convex form”.
-Cutting the specimen in half, the flesh appeared to be light yellow in color (almost like the inside of an apple kind of yellow)
-The two-toned colored stipe was centrally located, which measured to be about 4.7 cm in length and 1.2 cm in width.
-The stipe was both yellow (area closer to the pileus) to red (area closer to the base). The mid-point of the stipe was like a mixture of both colors.
-When the stipe was halved, it was observed that it was solid and tapered at the base.
-At the base of the stipe, it looked to be strigose, “covered in short, little appressed hairs”.
-The stipe felt dry to the touch. It was dull and smooth.
-This specimen had dark mustard yellow pores instead of gills. When these pores were damaged with a pocket knife, they gradually changed to a dark brown/blackish color.
-The spore print was a medium to dark brown color.
-Under the microscrope (40x magnification), the spores appeared brown and elongated/ellipsoid.

Images

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Mb22.jpg
“Cracked” pileal surface (dried specimen)
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Mb22.2.jpg
Dark mustard yellow pores (dried specimen)
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Mb22 spore.jpg
Brown, ellipsoid spores

Proposed Names

54% (1)
Eye3
Recognized by sight: Porous fungi
Used references: Mushrooms of the Midwest by Michael Kuo and Andrew S. Methven
Based on microscopic features: Elongated and smooth spores
56% (1)
Eyes3
Recognized by sight

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Eye3 = Observer’s choice
Eyes3 = Current consensus

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Created: 2014-12-01 23:05:08 CST (-0500)
Last modified: 2014-12-09 21:30:32 CST (-0500)
Viewed: 17 times, last viewed: 2015-08-10 00:22:10 CDT (-0400)
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