bleeding tooth fungus
Image by zen
Most probably a young Hydnellum peckii, and the ‘goo’ is most probably aurantiacin or thelephoric acid, which has been used for centuries to dye wool. Later on, the fungus would’ve developed the sharp structures that give it the ‘tooth’ part of its name.
source: Flickr’s own dogsbody, and Tom Volk’s mushroom pages at: botit.botany.wisc.edu/toms_fungi/aug2003.html