For your Halloween viewing pleasure, mushrooms that ooze blood.
Photo: Darvin DeShazer Okay, that's not really blood. The Bleeding Tooth Fungus (Hydnellum peckii) leaks red, pink, yellow or orange fluid. Good news, the mushrooms are not poisonous, though they are considered inedible due to their bad taste. Too bad. Doesn't this look delicious? Photo: Bernypisa, 8/17/2005 More on this at Environmental graffiti.