
Picking a four leaf clover was said to help ward off evil and is good luck. However picking one in the moonlight was considered to cause madness.
Information
Latin name: Trifolium Pratense
Family: Fabaceae
Folk name: Flower of good fortune, cow clover, meadow clover , trefoil cowgrass
Habitat: Grassy places, fields and lawns
Part Used: Flowers
Medicinal Use: Used for sore throats, ulcers, coughs, skin disorders and as an antibiotic
Wikipedia Link: https://en.wikipedia.org/wiki/Trifolium_pratense>