dyer's weed: eastern North American herb whose yellow flowers are (or were) used in dyeing
goldenrod: any of numerous chiefly summer-blooming and fall-blooming North American plants especially of the genus Solidago
paper chase: an outdoor game; one group of players (the hares) start off on a long run scattering bits of paper (the scent) and pursuers (the hounds) try to catch them before they reach a designated spot