It's probably safe to say that a great number of accidental poisonings were a result of mistaking one thing for something else. Case in point--- the death cap mushroom.... This harmless-looking fungus is responsible for most of the world's deaths by fungal poisoning. The problem lies in the fact that this deadly mushroom closely resembles several different edible varieties and the unsuspecting woodland hiker might be tempted to gather a few, not knowing what they had collected for their last evening meal.... Knowing that a single death cap mushroom could have enough toxin to kill a healthy adult, it's enough to put a person off mushrooms for life. The toxic traits of this forest dweller have been known since ancient times, lending itself as a possible contributor to the death of the Emperor Claudius at the hands of his wife, Agrippina. Claudius was known to have a penchant for mushrooms. His wife was known to have a penchant for poisoning, having done away with he...