Introduction to Fall Mushrooms
by Michael W. Beug Email: beugm@evergreen.edu
The Evergreen State College, Olympia WA
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Slide 26.
Inocybe lanuginosa is a characteristic member of the large Inocybe genus which also comprises at least 1,000 species. The Inocybe species are small to medium sized mushrooms characterized as fiberheads since the cap cuticle is composed of radially arranged hyphae that may or may not form scales but that typically cause the cap to split in a radial fashion. The spore print is a dull brown and a cobwebby veil may or may not be present. A great many Inocybe species contain clinically significant levels of muscarine which causes a violent gastrointestinal distress accompanied with symptomatic perspiration, salivation, lacrymation and pupils that shrink to the point that the victim thinks they have gone blind. Recovery can take a week or more.


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