Categories DavidWitch’s butter growing on blackthorn stump Post author By David Post date 12 January 2016 A patch of blackthorn bushes, cut down so that only a few inches of trunk remained of each. All seemed to have some witch’s butter, a common jelly fungus, growing on them. ← Colours and textures: lichen and moss on inaccessible tree trunk → Curious sheep … then they’re off