144487 DOG’S MERCURY Mercurialis perennis (Euphorbiaceae) Height to 35cm. Hairy, creeping perennial with a foetid smell. Found in woodlands (sometimes forms carpets); also in limestone pavements. FLOWERS are yellowish are rather tiny; in open spikes on separate sex plants (Feb-Apr). FRUITS are hairy. LEAVES are oval, shiny and toothed. STATUS-Widespread and generally common but scarce in N Scotland and Ireland.