1) Fungus genus 2) Genus coprinus 
Coprinus is a small genus of mushrooms consisting of Coprinus comatus (the shaggy mane) and several of its close relatives. Until 2001, Coprinus was a large genus consisting of all agaric species in which the lamellae autodigested to release their spores. (The black ink-like liquid this would create gave these species their common name `inky cap.....
genus of mushrooms comprising some 350 species in the order Agaricales (phylum Basidiomycota, kingdom Fungi). These mushrooms are better known by ...
A genus of black-spored basidiomycetous fungi of the family coprinaceae, order agaricales; some species are edible. ... (12 Dec 1998) ... 
Genus of fungi that have gills that autodigest once spores have been discharged giving rise to a black inky fluid.
[n] - genus of black-spotted agarics in which the cap breaks down at maturity into an inky fluid
genus Coprinus noun genus of black-spotted agarics in which the cap breaks down at maturity into an inky fluid; sometimes placed in its own family Coprinaceae