1) Fungus genus 2) Genus cortinarius 
Cortinarius is a genus of mushrooms. It is suspected to be the largest genus of agarics, containing over 2000 different species and found worldwide. A common feature among all species in the genus Cortinarius is that young specimens have a cortina (veil) between the cap and the stem, hence the name, meaning curtained. Most of the fibers of the cor...
[n] - the largest genus in th Agaricales
genus Cortinarius noun the largest genus in the Agaricales; agarics having rusty spores and prominent cortinae (cobwebby partial veils)