Anna Atkins cyanotype of three slender ribbon-like specimens.

Laminaria fascia

Anna Atkins, from Photographs of British Algae

NYPL record

Anna Atkins cyanotype of overlapping translucent kelp.

Laminaria bulbosa

Anna Atkins, from Photographs of British Algae

NYPL record

Anna Atkins cyanotype of long, looping ribbon-like algae.

Himanthalia lorea

Anna Atkins, from Photographs of British Algae

NYPL record

Anna Atkins cyanotype of five branching algae specimens.

Polysiphonia fastigiata

Anna Atkins, from Photographs of British Algae

NYPL record