Laver is the popular name given to some edible Sea Weeds-the porphyra lanciniata, and the Ulva latissima.
"Herbal Simples Approved for Modern Uses of Cure"
William Thomas Fernie
The Englishman calls this Sea Weed, Laver; the Irishman, Sloke; the Scotchman, Slack; and the student, porphyra.
"Herbal Simples Approved for Modern Uses of Cure"
William Thomas Fernie