The botany of the Antarctic voyage of H.M. discovery ships Erebus and Terror in the Years 1839-1843. London, Reeve Brothers, 1844-1860, JD Hooker, William Henry Harvey, artist, Gulsonia annulata, Crouania insignis, Ptilocladia pulchra, This illustration features two prominent types of marine flora. On the left, labeled 'A,' is a depiction of *Galaxea annulata*, showcasing its intricate branching structure with fine, detailed line work that emphasizes its delicate features. The branches appear to extend outward in a natural, organic fashion. On the right, labeled 'B,' is *Crouania magnus*, which presents a different yet equally detailed design. This section includes various forms of branching and unique textures, with both larger and smaller elements that illustrate the complexity of this species. The bottom portion highlights several additional anatomical features, emphasizing the diverse forms of marine life. The overall arrangement provides a comprehensive view of these two species,