Sulfur head (Psilocybe mairei)
Systematics:- Department: Basidiomycota (Basidiomycetes)
- Subdivision: Agaricomycotina (Agaricomycetes)
- Class: Agaricomycetes (Agaricomycetes)
- Subclass: Agaricomycetidae (Agaricomycetes)
- Order: Agaricales (Agaric or Lamellar)
- Family: Hymenogastraceae (Hymenogastric)
- Genus: Psilocybe (Psilocybe)
- Species: Psilocybe mairei (Sulfur head)
Synonyms:
Hypholoma cyanescens
Geophila cyanescens
Collection time: August - end of December.
Location: Individually or in small groups, on fallen trees, logs and in damp grass.
Hat
Dimensions: 25-50mm ∅.
Shape: at a very young age - conical, then bell-shaped or chest-shaped, at the end flat or concave upward.
Color: yellow if dry, chestnut if wet. Blue spots on damaged areas.
Surface: smooth and firm if dry, slightly sticky if damp, brittle in old age.
Edge: After the hat is flat, the edge grows further and curls.
Foot
Dimensions: 25-100mm high, 3-6mm in ∅.
Shape: evenly thick and slightly bent, noticeable thickening in the lower quarter, often remnants of the skin.
Color: almost white on top, amber below, light blue tint when dry.
Surface: fragile with silky fibers.
Spore-bearing layer
Color: first cinnamon-colored, then reddish-brown with black-purple spots (from ripe spores that fall).
Location: not tight, adnat.
ACTIVITY: very high.