Cortinarius traganus    (Fr.:Fr.) Fr. 

common name(s) : Gassy Webcap, Stinking Cortinarius 

New classification: Basidiomycota/Agaricomycotina/Agaricomycetes/Agaricomycetidae/Agaricales/Cortinariaceae  
Former classification: Basidiomycota/Homobasidiomycetes/Agaricomycetideae/Cortinariales/Cortinariaceae/Cortinarieae [sub-genus:Sericeocybe]  

synonyms: Sericeocybe traganus 
(unconfirmed synonyms: Inoloma traganum)  

edibility : poisonous

potential confusions with  Cortinarius traganus toxicity of Cortinarius traganus genus Cortinarius  

The cap is lilac-violet then grey yellowish. The cap surface is smooth, not viscid nor sticky.

The stem is lilac white then ochraceous, bulbous, with a ring zone (cortina remains), with a cortina.

The flesh is yellowish buff, unchanging; its taste is bitter; the odour is strong, pleasant or unpleasant depending on authors, sickly sweet of pear liquor, acetylene or billy goat; its texture is fibrous.

The gills are purple white, then pale ochre, then rusty red, adnate, distant . The spore print is rusty brown. This species is mycorrhizal. It grows on the ground, on a rather acid soil, with fir.

The fruiting period takes place from July to November.
Dimensions: width of cap approximately 8 cm (between 3 and 12 cm)
  height of stem approximately 9 cm (between 4 and 12 cm)
  thickness of stem (at largest section) approximately 20 mm (between 10 and 40 mm)

Distinctive features : lilac-blue then ochre cap, slightly scaly when ageing; yellow to ochre-brown flesh; whitish then brown gills; strong odour of pear or acetylene

Cortinarius traganus is still unreported so far in the forest of Rambouillet, and is infrequent, more generally speaking .

page updated on 14/01/18