Field book of western wild flowers, New York, 1915. Identification, West US, Wildflowers, Margaret Neilson Armstrong, Margaret Neilson Armstrong, Women in Science., The illustration depicts two distinct flowering plants, labeled with their scientific names. On the left, **Clarkia rhomboidea**, characterized by its elongated stems and clusters of delicate blossoms featuring open petals. The flowers exhibit a blend of slender and rounded shapes, showcasing a graceful arrangement. On the right, **C. pulchella**, commonly referred to as Pink Fairies, displays a similarly elegant form with distinct, vibrant blooms that suggest a light and airy aesthetic. Both plants are rendered with attention to detail, highlighting their unique leaf structures and growth patterns, emphasizing their botanical characteristics.