This section is from the book "Culinary Herbs", by M. G. Kains. Also available from Amazon: Culinary Herbs, Their Cultivation, Harvesting, Curing and Uses.
Southernwood (Artemisia Abrotanum, Linn.), a woody-stemmed perennial belonging to the Compositae and a native of southern Europe. It grows from 2 to 4 feet tall, bears hairlike, highly aromatic leaves and heads of small yellow flowers. The plant is often found in old-fashioned gardens as an ornamental under the name of Old Man. In some countries the young shoots are used for flavoring cakes and other culinary preparations.