Sat 2014-12-13 
A rust fungus, probably the aecial form of Phragmidium violaceum, growing on bramble a leaf (Rubus sp).
On the upper surface of the leaf the fungus appears as purple blotches:
Photos taken in Whiteknights Park, Reading, UK, on 2012-09-14.
Fri 2014-12-05 
What I think are Chondrostereum purpureum (pale purple and brown) and Stereum hirsutum (yellow) growing on the end of a felled oak trunk (Quercus robur).
Here is a patch of C. purpureum growing out of a crack in the wood:
Photos taken in Whiteknights Park, Reading, UK, on 2014-11-29.
Thu 2014-12-04 
Fruiting bodies of the fungus Bulgaria inquinans growing on a felled oak tree (Quercus robur).
The less mature fruiting bodies have a brown crust:
Photos taken in Whiteknights Park, Reading, UK, on 2014-11-29.
Wed 2014-12-03 
Pink jelly fungus Ascocoryne scarcoides growing on the end of a birch log (Betula sp).
Photo taken in Whiteknights Park, Reading, UK, on 2014-11-29.
Tue 2014-11-18 
Ergot fungus, Claviceps purpurea, growing on a grass seed-head.
Photo taken in Whiteknights Park, Reading, UK, on 2014-09-20.
