Will-o'-the-wisp

[Tracie Lynn]

Will-o-the-wisp also known as will~o~[wisp] or simply as wisp and willow .was thought to be a spirit or soul dwelling mostly on cemetery ground or [swamps] .
Now thought to be gasses emitted by decomposing biological matter and inflaming on contact with air thus generating small dancing flames or lights .
This phenomenon spawned a cartoon series called Willow the wisp , where a friendly spirit told children about fantastic tales that happened in a mysterious [dark forest] .