
1) Brand name confectionery 2) Candy bar
Found on
https://www.crosswordclues.com/clue/mary-jane
[Janis Joplin song] `Mary Jane` is a blues song by Janis Joplin. The song has five verses; the first includes the line `When I bring home my hard-earned pay, I spend my money all on Mary Jane`. A live performance of the song, recorded in San Francisco 1965 with the Dick Oxtot Jazz Band, is on the 1975 compilation album Janis. The song is al...
Found on
http://en.wikipedia.org/wiki/Mary_Jane_(Janis_Joplin_song)
[candy] Mary Jane is a peanut butter and molasses flavored taffy-type candy with peanut butter in the center. Originally made in 1914 by The Charles N. Miller Co., and later by Stark Candy Co., it is now manufactured by Necco. Charles Miller named the after his favorite aunt, Mary Jane, and the candy has used same `little girl` illustration...
Found on
http://en.wikipedia.org/wiki/Mary_Jane_(candy)
[shoe] Mary Jane is an American term (formerly a registered trademark) for a closed, low-cut shoe with one or more straps across the instep. Classic Mary Janes for children are typically made of black leather or patent leather, have one thin strap fastened with a buckle or button, a broad and rounded toebox, low heels, and thin outsoles. Am...
Found on
http://en.wikipedia.org/wiki/Mary_Jane_(shoe)

Mary Jane is slang for marijuana.
Found on
http://www.probertencyclopaedia.com/browse/ZM.HTM

an obsolete term for marijuana; sometimes used in jest
Found on
http://www.psychedelic-library.org/mjsmokersglos.htm
No exact match found.