Psilocybe mexicana were hallucinogenic mushrooms known to the Aztecs as teonanacatl or "the flesh of the gods". They contained 4-Phosphoryloxy-NN-dimethyltryptamine. They were fawn coloured with a long thin stem. They were easily available in Tenochtitlan in 1487.
They were easily available in Tenochtitlan in 1487. The Doctor consumed the mushrooms in an attempt to see the Blue. (NA: The Left-Handed Hummingbird)
