***Low-budget, melodramatic witch flick shot in Dallas in 1969*** A witch that is hanged in the 1600s is inadvertently resurrected 321 years later at a Dallas area college by some nice students playing around with an old book of spells. The witch possesses a student and seems intent on getting revenge on the descendant of the man who executed her. “Mark of the Witch” (1970) is a low-budget horror flick that’s rather generic, but also effective in several ways. The overt satanic rituals were nothing new at the time as they were featured in earlier slicker films like “Masque of the Red Deat...