Observation 170621: Amanita sect. Vaginatae sensu Zhu L. Yang
When: 2014-07-19
No herbarium specimen

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I had not noticed it either (ever) until I saw it in daimonioctantes.
By: R. E. Tulloss (ret)
2014-07-20 17:20:32 CDT (-0400)

I think I posted the picture on WAO…the surface layer of the stipe remained attached to the edge of the cap in one specimen; and, as the cap and stipe expanded, a strip of the felted layer got peeled up the stipe.


Oh, ok
By: Eric Smith (esmith)
2014-07-20 13:18:42 CDT (-0400)

Sorry Rod, you were clear, the confusion was mine. No, I didn’t notice that feature in the field, or until you just pointed it out. It does appear there is such a layer in the photo though.

I wasn’t clear.
By: R. E. Tulloss (ret)
2014-07-20 13:08:40 CDT (-0400)

That’s interesting information with regard to the volval sac. The staining you see is often present in some groups of Vaginatae (e.g., those similar to fulva).

I was asking about the surface of the stem.

Very best,


By: Eric Smith (esmith)
2014-07-20 10:25:30 CDT (-0400)

the surface of the volva was minutely felty. In fact, the whole volva reminded me of a soft, thin piece of felt. It had a little bit of staining concolorous with the cap.

Would you say that…
By: R. E. Tulloss (ret)
2014-07-20 00:54:45 CDT (-0400)

there is a felted surface layer on the stem?

At highest magnification (and looking at the the point just inside the top of the volval sack where the surface layer of the stem has irregularly cracked), I get the impression of a stem covering that I associate with the provisional Amanitadaimonioctantes” (“demon slayer” for Kill Devil Mountain on the island of Labrador).


Sure hope I got that spelled correctly.

Very best,


Created: 2014-07-19 22:35:55 CDT (-0400)
Last modified: 2014-07-19 22:36:11 CDT (-0400)
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