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 two distinct botanical species, depicted with detailed line work. The upper section showcases *Verbenia P. distans*, characterized by small clusters of delicate flowers and slender, elongated leaves. The lower section presents *Phacelia Parryi*, identified by its rounder flowers and more lobed foliage. Both plants are intricately rendered, highlighting their unique structural features and the varied textures of their leaves, providing a clear visual reference for identification and study.