Scientists originally thought the plant material in the grave was coriander, but microscopic botanical analysis of the bowl contents, along with genetic testing, revealed that it was cannabis.
The size of seeds mixed in with the leaves, along with their color and other characteristics, indicate the marijuana came from a cultivated strain. Before the burial, someone had carefully picked out all of the male plant parts, which are less psychoactive, so Russo and his team believe there is little doubt as to why the cannabis was grown.
Nearly two pounds of pot were found in the grave. No, it's not fresh enough to get anyone high. Link -Thanks, Jorge Garcia!
(image credit: David Potter/Oxford University Press)