Le Règne végétal, Paris, L. Guérin, 1870-72, biobibliography, botany, pictorial works, plants, The illustration features a detailed depiction of the plant known as Rubus fruticosus, commonly known as blackberry. The plant is portrayed with its distinct lush green leaves, showcasing a variety of leaf shapes and structures. Small, round fruit can be seen forming among the foliage, indicative of the plant's fruit-bearing nature. Accompanying the main plant are sketches of the flower and seed structures, highlighting the reproductive components. The background is a simple earth tone, allowing the intricate details of the plant and its parts to stand out prominently, contributing to a rich botanical study.