Marijuana Throughout history marijuana has been used to serve various purposes in many different cultures. The purposes have changed over time to fit in with the current lifestyles. This pattern is also true in American history. The use of marijuana has adapted to the social climate of the time. Marijuana, whose scientific name is cannibis sativa, was mentioned in historical manuscripts as early as 2700 B. C. in China. (Grolier Electronic Encyclopedia, 1995). The cultivation of the marijuana plant began as far back as the Jamestown settlers, around 1611, who used hemp produced from the marijuana plant's fibers to make rope and canvas. It was also us