Icones Orchidearum Austro-Africanarum Extra-Tropicarum, London, W. Wesley, 1896-1913, South Africa, Orchidaceae, pictorial works, This illustration features the plant species Mystacidium gracile, as documented by Harvey. The composition includes detailed depictions of various parts of the plant: numbered figures showcase different structures, including leaves, floral components, and roots. Key elements such as the unique shape of the flowers, their arrangement, and the intricate details of the foliage are emphasized, providing a comprehensive overview of the plant's morphology. Additionally, the illustration may include scale indicators for reference, allowing for a deeper understanding of the dimensions and characteristics of the species.