Free high resolution photo of de puy lentils, also known as French green lentils. De Puy lentils, also known as le Puy lentils or French green lentils get their name because they were originally grown in Puy, France. They are smaller than regular lentils and have a mottled gray pattern on them. Like all lentils, they are quick and easy to prepare, and are a great addition to any pantry. Free image for any use.