Nouvelle flore coloriée de poche des Alpes et des Pyrénées, Paris, Klincksieck, 1906-1912, Alps, plants, Pyrenees, A detailed illustration of *Sesleria caerulea*, commonly known as Blue Seslerie. The image showcases the plant's distinctive features, including slender green leaves emerging from a tuft at the base, and a spike of delicate flowers atop a slender stem. The flowers are arranged in a loose panicle, exhibiting soft shades that contrast with the vibrant green foliage. This perennial grass is depicted in a naturalistic style, emphasizing its habitat in rocky and calcareous environments at high elevations, around 2900 meters. The caption includes classifications in both English and French, highlighting its botanical significance.