Elements of the Science of Botany London Printed by T. Bensley for J. Murray 1812 Plants Classification Pictorial works, This illustration features the Common Arrow-Head, scientifically known as Sagittaria sagittifolia. It is part of Class XXI and falls under Order 7. The detailed depiction showcases the plants distinct arrow-shaped leaves, delicate white flowers with a bright yellow center, and budding floral structures. The accompanying labels provide both common and scientific names, emphasizing the botanical classification of this aquatic and marsh-dwelling species.