Throughout the 19th century, news reports and medical journal articles almost always use the plant’s formal name, cannabis. Numerous accounts say that “marijuana” came into popular usage in the U.S. in the early 20th century because anti-cannabis factions wanted to underscore the drug’s “Mexican-ness.” It was meant to play off of anti-immigrant sentiments.
There’s still some Mary Jane erasure going on here.
And it seems like nobody is using mary jane any more. There’s got to be a reason for that.