1) Fungus genus 2) Genus clathrus 3) Type genus of the clathraceae 
Clathrus is a genus of basidiomycete fungi of the family Phallaceae. As with other stinkhorn fungi, mature fruit bodies are covered with olive-brown slimy gleba, containing spores, which attracts flies. These fungi are common in mulch and are saprobic. == Species== ...
(from the article `stinkhorn`) ...and burst open within an hour, becoming slimy and fetid at maturity. Genera widespread in the temperate zone include Phallus, Mutinus, ...
[n] - type genus of the Clathraceae
genus Clathrus noun type genus of the Clathraceae