(n.) A kind of lichen (Cetraria Icelandica) found from the Arctic regions to the North Temperate zone. It furnishes a nutritious jelly and other forms of food, and is used in pulmonary complaints as a demulcent.

Ectocarpales Iceland moss Irish moss Phaeophyceae autophyte bean bracken brown algae climber conferva confervoid creeper diatom dulse fern fruits and vegetables fucoid fucus fungi fungus grapevine green algae gulfweed herb heterophyte ivy kelp legume lentil liana lichen liverwort mold molds moss mushroom parasite parasitic plant pea perthophyte phytoplankton plankton planktonic algae plant families pond scum puffball pulse red algae reindeer moss rockweed rust saprophyte sargasso sargassum scum sea lentil sea moss sea wrack seaweed smut succulent thallogens toadstool vetch vine wort wrack