Those have "muscaradine". I've heard it makes your WHOLE BODY feel like it wants to vomit. The hallucinations are as vivid as they are, because of the extreme reaction to the toxins in them. You can get the same results from other poisons as well. Including alcohol. The hallucinatory mushroom a person should be seeking, if they were pre-disposed to seeking such mushrooms, would be of the "Psilocybe" variety. "Psilocybe Cyanescens" (which grow in the Great Northwest of the U.S.) have been discovered to be the most potent Psilocybin mushroom in the world. I've seen Slugs that had been chewing on these, and it makes the glow in the dark. (But that's only after I've eaten a couple of them 'Shrooms', myself. ~{8P) It's been unseasonably warm here in Oregon. And we've been getting a LOT of rain, too. I really ought to be taking more walks in the forest, now that I think about it...