As used in this Subtitle: Beautification Committee shall mean the tree planting committee established in Section 2-343 and its duly authorized representatives. Forest Wardens shall mean the person appointed by the Director of the State Department of Forests and Parks to carry out the pruning, planting and maintenance of roadside trees in the County. Roadside tree shall mean all trees and shrubs that may be growing within the right-of-way of any street. Shade tree shall mean shade and ornamental trees, plants, and shrubbery located or planted in any street in the County.