I talk with ethnomycologist Cullen Clark about his work describing two new Psilocybe species in Southern Africa and becoming the first outsider to observe and describe the use of Psilocybe species in African traditional medicine. Clark also provides an extended analysis of African cave art depicting mushroom use.HamiltonMorris.comLimited Stock in Exclusive Hamilton Morris Podcast MerchandiseKykeon Analytics A fully anonymous mail-in drug checking lab service. CannaclearGet 15% off with the code HamiltonLucy Tobacco Free NicotineLucy's mission is to reduce tobacco-related harm to zero.Matcha.comAndrew Weil MD's matcha tea company. Use the code "Hamilton" for up to 20% off + a FREE gift.New BrewA delicious, euphoric seltzer.Top Tree Herbs Kratom Tea BagsTop Tree Herbs is the first kratom tea bag companyDisclaimer: This post contains affiliate links. If you make a purchase, I may receive a commission at no extra cost to you.Support the show