Sulfur head (Psilocybe mairei)
- Division: Basidiomycota (Basidiomycetes)
- Subdivision: Agaricomycotina (Agaricomycetes)
- Class: Agaricomycetes (Agaricomycetes)
- Subclass: Agaricomycetidae (Agaricomycetes)
- Order: Agaricales (Agaric or Lamellar)
- Family: Hymenogastraceae (Hymenogaster)
- Genus: Psilocybe
- Type: Psilocybe mairei (Sulphur head)
Collection time: August – end of December.
Location: singly or in small groups, on fallen trees, logs and damp grass.
Dimensions: 25-50 mm ∅.
The form: at a very young age – cone-shaped, then in the form of a bell or chest, at the end flat or concave upwards.
Color: yellow if dry, chestnut if wet. Blue spots on damaged areas.
Surface: smooth and firm when dry, slightly tacky when damp, brittle in old age.
End: after the hat is already flat, the edge grows further and curls.
Dimensions: 25-100 mm high, 3 – 6 mm in ∅.
The form: uniformly thick and slightly bent, marked thickening in the lower quarter, often remnants of the skin of the shell.
Color: almost white above, amber below, with a light blue tint when dry.
Surface: fragile with silky fibers.
Color: first cinnamon, then reddish-brown with black-purple spots (from ripe spores that fall).
Location: not tight, adnat.
ACTIVITY: very high.