The botany of the Antarctic, voyage of H.M, discovery, ships, Erebus, and, Terror in, the, Years, 1839-1843, London, Reeve, Brothers, 1844-1860, william, archer, walter, hood, fitch, Thelymitra, antennifera, Thelymitra, smithiana, Thelymitra, flexuosa, This illustration features two species of orchids, labeled A and B. On the left, Thelymitra antemifera is depicted, showcasing its delicate flowers and distinct stem structure. The right side presents T. Smithiana, characterized by its unique floral arrangement. Detailed sketches of the flower parts, including petals, sepals, and reproductive structures, are presented alongside each species for educational purposes. Each orchid is shown with roots, giving insight into their growth form and habitat. The elegant design captures the intricate beauty and diversity of these fascinating plants.