Found by David Edington. 11 October 2010 Hampshire. Photograph copyright Leif Goodwin.
Top shaped, often fused with neighbours, surface felty, pale pinkish, darkening with age and becoming blue grey then blackish
Pinkish, then grey, to about 4 mm long
Fibrous or velvety, concolorous with the cap, to about 4 cm long
Firm, greyish to black
Indistinct when fresh, of crushed fenugreek seeds when dry
On soil with deciduous and coniferous trees
Spores sub-globose, spiny (3.5-5) x (3-4) µm2 excluding 0.5 µm spines. Generative hyphae sparsely encrusted.
The flesh exudes a blue green stain on exposure to an alkali such as ammonia solution.