This section is from the book "Commercial Gardening Vol4", by John Weathers (the Editor). Also available from Amazon: Commercial Gardening, A Practical & Scientific Treatise For Market Gardeners.
This is a fragrant shrubby plant with finely cut grey-green leaves and small yellowish flowers. It grows in almost any soil, damp or dry, and possesses medicinal properties resembling those of the Wormwood. The leaves are sometimes used for flavouring.