Description: [caption id="" align="aligncenter" width="430" caption="Ray Dudley, assistant grounds foreman in the Office of Horticulture, gives some Smithsonian Early Enrichment Center pre-schoolers the word on the trees and plants in their playground, He also gave the kids some safety tips--including a warning not to eat holly berries, 1989, by Rick Vargas, Photographic print, Smithsonian