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.
Sea Scabious (Scabiosa maritima, L.) - The habitat of this plant is sandy places. The habit is the rosette habit more or less. The leaves are deeply-divided nearly to the base. The flower-heads are purple. The involucel and its base are furrowed. The corolla is 5-cleft. The plant is 9-18 in. high, and flowers in July and August, being a herbaceous perennial.