Urnula craterium
The Devil's Urn.  An early springtime fungus; abundant
during the morel mushroom season.
INDIANA MUSHROOMS
See Black Tulip fungus at
Tom Volk's Fungi
See Urnula craterium at
Fungi Growing on Wood
Urnula craterium paraphyses
Urnula craterium ascospores
Urnula craterium ascospores
Spores measure 21–35 x 9–13 µm and have an ellipsoid to
elongated-ellipsoid shape.
Paraphyses project beyond the asci.