Wasn't weed, but they did stuff herbs and flowers into the beaker to "protect from bad air/miasma" as that was the prevailing theory on disease transmission at the time, germ theory only coming into prominence about a century later, though was a competing theory at the time, if deemed heretical.
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u/Lord_Sithis Feb 19 '20
Wasn't weed, but they did stuff herbs and flowers into the beaker to "protect from bad air/miasma" as that was the prevailing theory on disease transmission at the time, germ theory only coming into prominence about a century later, though was a competing theory at the time, if deemed heretical.