No definitions found for 'yellow adders tongue'
Perhaps one of these:
yellow adder's tongue,
yellowwood tree,
yellow water flag,
yellow trefoil,
yellow water lily,
yellow watercress,
yellow trumpet,
yellow-throated marten,
yielder,
yellowthroat,
yellow dwarf of potato,
yellow atrophy,
yeldrin,
yoldrin,
yellow dwarf,
yellow turnip,
yeldrock,
yeldrine