Nouvelle, flore, coloriée, de, poche, des, Alpes, et, des, Pyrénées, Paris, Klincksieck, 1906-1912, alps, plants, Pyrénées, This illustration showcases *Erysimum helveticum*, commonly known as Swiss wallflower. On the left, the plant features slender, upright stems adorned with narrow, grassy leaves at the base. A cluster of small, vibrant yellow flowers bloom at the top, characterized by four petals that radiate from the center. The right side provides a label in both French and German, indicating its common names and an explanation of its habitat in rocky alpine meadows. The detailed rendering highlights the plant's delicate structure and natural beauty, making it a charming representation of alpine flora.