Polysiphonia urceolata, ca. 1853.

---

Size: 3751px × 4960px
Photo credit: © Heritage Images / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 19th, algae, anna, art, atkins, biology, blue, blueprint, botanical, botany, britain, british, century, color, colour, concept, cyan, cyanotype, earliest, heritage, leaf, leaves, marine, met, metropolitan, museum, nature, nineteenth, photogram, photograph, photography, pioneer, pioneering, plant, plants, polysiphonia, science, urceolata