Flore d'Oware et de Benin, en Afrique Paris, Imprimerie de Fain jeune et compagnie, 1804-1807, Africa West, botany, Nigeria, Calamus secundiflorus, This illustration depicts a detailed botanical representation of **Calamites miswillensis**, highlighting its distinctive branching structures and intricate foliage. The elongated stems are adorned with numerous, small, leafy appendages that cascade downward. The depiction includes labels indicating various parts of the plant, as well as small illustrations of reproductive structures below, showcasing the full biological diversity of this ancient flora. The overall composition emphasizes the complexity and elegance of this prehistoric plant, often associated with the coal-forming forests of the Carboniferous period.