Large Artificial Bonsai Tree Rajpoot Flower House Fly Agaric Mushroom, Amanita muscaria, may be one of man's oldest hallucinogens. It has been suggested that perhaps it's strange effects contributed to man's early ideas of deity. From Hallucinogenic Plants, a Aeschynanthus pulcher klassische Lippenblume Rocket and bolt by Greta Thoughts from a Norfolk garden Winter melon or Wax gourd plant in garden of agricultural plantation farm at countryside in Nonthaburi, Thailand Stock Photo Alamy