British sea-weeds London Bell and Daldy 1872 algae Great Britain marine algae, This illustration showcases various species of filamentous algae, identified by their scientific names and classification. The top row features Lyngbya ferruginea, Lyngbya Carmichaelii, and Lyngbya speciosa, emphasizing their distinct shapes and textures. The second row includes additional types, such as Lyngbya Cutleria and Micromonospora angularis, highlighting the diversity within these algae. The final section presents Oscillatoria bicolor, further emphasizing the differences in morphology among these aquatic organisms. Each specimen is meticulously rendered, showcasing the intricate details that define their structures.