psilocybin and psilocyn http://www.cesar.umd.edu/cesar/drugs/psilocybin.asp http://www.cesar.umd.edu/cesar/drugs/psilocybin.asp CESAR http://www.cesar.umd.edu/cesar/drugs/psilocybin.asp http://www.cesar.umd.edu/cesar/drugs/psilocybin.asp hallucinations Center for Substance Abuse Research psilocybin mushrooms. http://www.cesar.umd.edu/cesar/drugs/psilocybin.asp http://www.cesar.umd.edu/cesar/drugs/psilocybin.asp Drug Enforcement Administration puts them http://www.cesar.umd.edu/cesar/drugs/psilocybin.asp not scheduled http://www.cesar.umd.edu/cesar/drugs/psilocybin.asp http://www.cesar.umd.edu/cesar/drugs/psilocybin.asp according to the Center for Substance Abuse Research. same group of hallucinogenic fungi 1950s Psilocybin/Psilocyn Center for Substance Abuse Research