Midday most days we go for a walk down the lane next to the cricket field.
At one place there is a gap in the hedge I use to watch and photograph the nearby fields. Three days ago there seemed to be nothing but grass, nettles and brambles growing nearby but the next day from the ground had sprouted fungi. I am always taken unaware by the speed they seem to grow. It was a cluster of Shaggy Inkcap (Coprinus comatus):
Easily recognised by the shaggy white cap that slowly rots to a black inky mess: