Seaweed, chromolithograph, published in 1895 - stock illustration

Seaweed: 1) Single-celled alga (Protococcus viridis) in various stages of development; 2) Navicula viridis; 3) Frustulia rhomboides, (or Frustalia); 4) Diatoma flocculosa var. tenuis (or Diatoma flocculosum); 5) Water silk (Spirogyra quinina); 6) Chaetomorpha linum (or Conferva linium); 7) Bladder wrack (Fucus vesiculosus); 8) Sargassum natans; 9) Frog spawn algae (Batrachospermum moniliforme); 10) Umutgasari (Gelidium amansii, or Gelidium corneum); 11) Plocamium purpureum; 12) Delesseria sanguinea. Chromolithograph, published in 1895.