Hound's-tongue
Cynoglossum officinale

Hound's-tongue, more commonly known as gypsyflower, grows in fields, open woods and along roadsides and prefers chalky soil. It flowers between May and August and has dark crimson or dull purplish flowers. It is toxic to horses and cattle and can often emit the smell of mice. The genus name is from the Greek Cynos, meaning dogs, and glossa, meaning tongue.