" The Amanita phalloides... holds three different poisons. There is amanitin, which works slowly and is most potent. There is phalloidin, which acts at once, and there is phallin, which dissolves red corpuscles, although it is the least potent. The first symptoms do not appear until seven to twelve hours after eating, in some cases not before twenty-four or even forty hours. The symptoms begin with violent stomach pains, cold sweat, vomiting- "

― Shirley Jackson , We Have Always Lived in the Castle