The Devil’s Urn (Urnula craterium) is a cup fungi that comes out in early spring.  It is parasitic on oaks and other hardwoods in its anamorph state but is saprobic in its telemorph state. It is grey on the outside of the cup and dark on the inside.  Looking with a lens on can see the “hairy” hypae on the outside of the cup.  It is an ascomycete in the Sarcomataceae  family.  It can be eaten but it is very rubberyand tough.  Not recommended. It is an ascomycet in the Sarcomataceae family.