Ptilota plumosa - Cyanotype print from British Algae

Botanical study depicting marine algae Ptilota plumosa. This depicts four specimens of algae of varying sizes.

Inscribed in ink beneath the image with the name of the specimen 'Plilota plumosa' in Atkins's handwriting.

Blueprint from Photographs of British algae: cyanotype impressions, by Anna Atkins, volume one (London, 1843).