Oak apple due to the superficial resemblance and the preponderance of the oak marble gall in the wild. Other galls found on oak trees include the oak artichoke gall and the acorn cup gall, but each of these has its own distinctive form. Some common oak-apple-forming species are the "Biorhiza pallida" gall wasp in Europe, "Amphibolips confluenta" in eastern North America, and "Atrusca bella" in western North America. Oak apples may be brownish, yellowish, greenish, pinkish, or reddish. Oak galls have been used in the production of ink since at least the time of the Roman Empire. From the Middle Ages to
Royal Oak Major and Colonel. Careless suggested that the house was unsafe and recommended that the king hide in an oak tree in the woodlands surrounding Boscobel House. The king and Careless took some food and drink and they spent all day hiding in a pollarded oak tree which became known as the Royal Oak. From the oak they could see patrols of Parliamentary soldiers searching for the king. Later Charles spent the night hiding in one of Boscobel's Priest holes. He was then moved from Boscobel to Moseley Old Hall, another Catholic redoubt near Wolverhampton, and ultimately escaped the region posing