Cunningham's Encyclopedia of Magical Herbs - Scott Cunningham 1985

Thistle, Milk
The Herbs

(Carduus marianus, Sonchus oleraceus, Silybum marianum) G

Folk Name: Marian Thistle

Gender: Masculine

Planet: Mars

Element: Fire

Powers: Snake-Enraging

Magical Uses: The Anglo-Saxons recorded the fact that if the milk thistle was hung around a man’s neck, all snakes in his presence would begin fighting.