This section is from the book "British Wild Flowers - In Their Natural Haunts Vol5-6", by A. R. Horwood. Also available from Amazon: A British Wild Flowers In Their Natural Haunts.
(The maritime species form a distinct formation, growing in a fringe or zone around the coast. A few, however, are found on high mountains, and at a distance from the sea, where the water is brackish or saline, and a few are general in their occurrence. Many waste-ground plants are more abundant on the sea-coast than inland.)