Field book of western wild flowers, New York, 1915, identification, West US, wildflowers, Margaret Neilson Armstrong, Margaret Neilson Armstrong, women in science, The illustration features the plant Saxifraga, specifically the species Micranthes rhomboidea, commonly known as Tall Swamp Saxifrage. It displays a tall stem adorned with clusters of small, intricate flowers and a prominent, elongated leaf that showcases its characteristic shape. The design emphasizes the botanical details, including the leaf's veining and the flower's structure, making it a valuable reference for plant identification and study within the botanical sciences.