![](http://www.alamy.com/thumbs/6/169C4ACA-E149-4C70-96D4-C7168585213A/2F9B07A.jpg)
Bluegreen Gentian (Gentiana glauca), 1916.
Size: 3152px × 4460px
Photo credit: © Heritage Images / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: 1910s, 20th, america, american, art, botanical, botany, century, charles, color, colour, country, doolittle, education, educational, flower, flowers, heritage, institution, location, mary, morris, museum, nature, painting, paper, plant, plants, science, scientific, smithsonian, states, united, usa, vaux, walcott, watercolor, watercolour