Agrocybe_vervacti

Description: Small to medium agaric, solitary to scattered, on soil in open ground/meadows.

Pileus: Hemispherical to broadly convex, orangey-brown with paler margin when young becoming evenly coloured with age, dry, smooth, diameter 12-55mm.
Stipe: Whitish, fleshy, almost straight but thickens slightly towards the base, without ring, fibrillose, centrally hollow darkening (central edges) on cutting; diameter 2-6mm, 15-30mm height.
Gills: Adnate, close, pale brown coloured changing to dark brown with pale edge on maturity, l=3.

Microscopy:
Pileipellis: Globular cells with a lower layer of interwoven hyphae.
Basidia: 2-, and more commonly 4-spored.
Cheilocystidia: Present, very variable from clavate to elongated rounded tips to subcapitate to bifid.
Pleurocystidia: Absent.
Gill Trama: Irregular.
Spores: Brown, ellipsoid, with very small but distinct germ pore, smooth; L= 7.3-8.8µm, W = 4.9-6.0µm, Q=1.36-1.63, Qm=1.48