We continue the article begun in our previous installment. Hofmann now describes the properties of the most well-known entheogens of the 1950s—referred to as "psychotomimetics" or "hallucinogens" at the time—among which LSD is counted.

LSD, the medicine of Dr. Albert Hofmann

The coca leaf is obtained from a shrub native to South America, specifically the warm and humid regions of the Andes (Colombia, Bolivia, and Peru). The history of coca plant use is nearly as long as humanity itself. Archaeological remains confirm its consumption in northwestern Peru as early as the sixth millennium BCE.

Every grower of psychoactive cannabis has wondered at some point where the commercial strains grown today actually originate.