It is also known as the herb of remembrance. Even today, it is placed on the graves of English heroes. Rosemary was used by the American colonists to scent soap. Today, its fragrant oil is an ingredient in numerous toiletry products and in vermouth. The flowers are bluish, in small axillary clusters.
Bees are particularly fond of rosemary.
The essential oil content is from 0.3 to 2 percent, and it is obtained by distillation. Its principal component is borneol.