WEB REVIEW:  Arboretum Plant Photo Gallery: Fall Foliage This fall foliage collection includes photographs, an explanation of the science of autumn leaf color, and a list of selected plants that provide colorful autumn leaves. The list notes the specific colors provided by the plants (such as orange or dark red), and includes links to the gallery images where available. From the United States National Arboretum. (c. LII.org) URL: http://www.usna.usda.gov/PhotoGallery/FallFoliage