You should never eat any fungi or mushrooms without getting expert identification. Many mushrooms are lethally poisonous. Do not rely on this site for identification - I am not an expert.
Photographs: Anns Hill Cemetery, Gosport, 18th October 2006. Above - showing the entire fruit body
Detail of T-section (below)
There were several of these mushrooms growing below various conifers in the cemetery. I noted the size as 5 to 8cm.