Fungus to be identified, please

Fungus to be identified, please

Observation - Fungus to be identified, please . Description: Fungal fruiting body under a Hornbeam tree, close to a chestnut tree. The ground is used to rot down piles of grass clippings. The height was 160mm (6 1/2 inches)in the period covered by the photos. It has no marked odour. There are 2 similar examples

Fungal fruiting body under a Hornbeam tree, close to a chestnut tree. The ground is used to rot down piles of grass clippings. The height was 160mm (6 1/2 inches)in the period covered by the photos. It has no marked odour. There are 2 similar examples within a metre or so.