1. Dried carrageen on sale, Dublin Airport, April 2017.

2.  [Ireland, Donegal, Isle of Doagh] Carraigin (Irish moss) would have been prepared in many ways. One way was to pour hot milk through the seaweed and allow it to cool. The resulting mix would be jelly-like and could be used as hair gel by the local boys [Natural History Museum, London, October 2012].

3. Carrageen moss seaweed was used in World War II, 1940-45, as food. We still used it after the War to make jelly [St Martin, Guernsey, April 2002].

Main image: Wiki Commons.