Ulva lactuca (detail)
handbound book of cyanotypes, 12 pages
9.25 x 7.5 inches (closed), 2010
Ulva lactuca is a type of green marine algae known as sea lettuce. Cyanotypes were made by exposing photosensitive paper lined with sea lettuce to the sun. The prints were developed in water from the bay in which the sea lettuce grew.
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