Common and can be seen growing on several plants such as on the Sea Squill. A solution of sea squill and vinegar was a common remedy for centuries. Other notable plants include Bristol rock cress, Bristol onion, spiked speedwell, autumn squill and honewort. Other notable plants include Bristol Rock-cress, Bristol onion, Spiked Speedwell, Autumn Squill and Honewort. It belongs to the squill genus "Scilla". In the spring the island is covered with pale blue squill. "Drimia maritima", the sea squill, has been used as a medicinal plant since ancient times. One of the best-known species is the sea squill, "Drimia maritima" (formerly "Urginea maritima").