Weeping Widow

Lacrymaria lacrymabunda

''Lacrymaria lacrymabunda'' is a species of fungus in the family Psathyrellaceae. It is found in North America, Central America, Europe, northern Asia, and New Zealand, where it grows on disturbed ground in woodland, gardens, and parks. Although it is sometimes listed as an edible species, some individuals report developing stomach upset after eating it.
Weeping Widow (Lacrymaria lacrymabunda) Growing on a chert driveway at a disturbed forest edge. 
https://www.jungledragon.com/image/102806/weeping_widow_lacrymaria_lacrymabunda.html Fall,Geotagged,Lacrymaria lacrymabunda,United States

Appearance

It has jet black, heavily ornamented spores and a fragile, brittle consistency.

References:

Some text fragments are auto parsed from Wikipedia.

Taxonomy
KingdomFungi
DivisionBasidiomycota
ClassAgaricomycetes
OrderAgaricales
FamilyPsathyrellaceae
GenusLacrymaria
SpeciesL. lacrymabunda