A mossy enclave, February 2011:
...and then in September with some additional colour:
This fungus is Calocera viscosa which loves long-dead coniferous timber. There is a similar fungus - Calocera cornea - which deals similarly with hardwood timber, but you rarely see that on fenceposts.
I am moving to Brighton this weekend - I hope I will able to find some wonderful fenceposts in Sussex to continue this series, but I fear that fenceposts may only really flourish in the mild, damp west coast climate...