Tree Fungus

Just a quickie for you today. Some time ago we had to lop a couple of branches off a tree in the back garden as a safety measure. They were threatening to do a breaking and entering job on the conservatory. After sitting out in the top corner through the winter, one of these pieces has developed a growth of fungus right along it length. This is just a 5cm section which is about all I can manage today in between coughs and sneezes.