Bergamot, Citrus Aurantium Bergamia, Italy -Most familiar flavor in Earl Grey Tea. 

Aromatic Description: Fresh, orange/lemon/citrusy, slightly floral.

Medicinal Oil Uses: Acne, abscesses, anxiety, boils, cold sores, cystitis, depression, halitosis, itching, loss of appetite, oily skin, psoriasis, stress.

[Julia Lawless, The Illustrated Encyclopedia of Essential Oils (Rockport, MA: Element Books, 1995), 56-67.]