Black Jelly Roll or Black Witch's Butter, Exidia glandulosa
Exidiaceae or Black Jelly Roll Family

Mushrooms

Small black gelatinous buttons that fuse together to form convoluted masses resembling deposits of poop. Grow on dead wood of deciduous trees and help rot it. Fruits in cool, wet weather.

Occasional in Wildwood.

There are other black jelly fungi tha could occur in the Park, but have not been reported. They form discrete fruiting bodies that do not fuse into convoluted masses.

Some authors say this was the original witch's butter fungus, the yellow species (Tremella mesenterica) getting that name later. Supposedly witches would sneak into barns at night to milk cows and then scatter the butter around. Apparently witches have poor butter-churning skills.

     

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