Annales des Sciences Naturelles Paris Crochard Science Anatomy Periodicals Plants Beans, The illustration depicts a detailed study of the anatomical structure of the leaves of the fava bean plant (Vicia faba). The upper section features various cellular formations, showcasing round and elongated structures, possibly representing chloroplasts or other cellular components within the leaf tissue. The lower section provides a close-up view of elongated, tubular structures that resemble the plant's vascular system, illustrating the organization and arrangement of cells and the presence of stipple-like textures, indicative of texture or surface variations. This visual representation highlights the intricacies of plant anatomy, emphasizing the various forms and functions of the cells involved in the leaf's structure and overall physiology.