Exidia glandulosa

Scientific name:   Exidia glandulosa Bulliard:Fries
Derivation of name:  Glandul- means "gland" and -osa
means "an abundance of." Glandulosa refers to the glands
on the surface of the basidiocarp.
Synonyms:  
Common name(s):  Black jelly roll.
Phylum:   Basidiomycota
Order:   Tremellales
Family:   Exidiaceae
Occurrence on wood substrate:  Saprobic; forming
irregular masses on decaying deciduous wood; May through
November.  
Dimensions:  Individual fruit bodies are 1-2 cm wide and up
to 1.3 cm high. Extensive masses of fused fruitbodies may be
18 cm or more long.   
Description: Brainlike to irregularly contorted gelatinous
fruitbodies, fusing together to form large masses; blackish-
brown to olive-brown or black; surface shiny with numerous
small black-brown glandular dots.
Edibility:
Inedible.
Comments:
 Upon drying, Exidia glandulosa becomes a
thin, black-dotted crust. It can rehydrate to look like a fresh
specimen.

More information at RogersMushrooms.com:   


Figure 1. The black, convoluted mass of Exidia glandulosa.
Photo © William Roody.
    


Figure 2. Another view of Exidia glandulosa, just as dark,
just as irregular. Photo © Dianna Smith.


Figure 3. This is a dried specimen. Photo © Dianna Smith.

 

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