Cunningham's Encyclopedia of Magical Herbs - Scott Cunningham 1985

Mustard, Black
The Herbs

(Brassica spp.) Lt (external use)

Gender: Masculine

Planet: Mars

Element: Fire

Deity: Aesculapius

Powers: Fertility, Protection, Mental Powers

Magical Uses: The Hindus used mustard seed to travel through the air. A more down-to-earth use is carrying mustard seed in a red cloth sachet to guard against colds and to increase mental powers.

Italian peasants sprinkle mustard seed on the doorsill for protective reasons, and mustard seed buried under your doorstep will keep all manner of supernatural beings from your home.

When eaten, mustard seed increases fertility in women.