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
Knights of the Royal Oak Knights of the Royal Oak The Knights of the Royal Oak was an intended order of knighthood. It was proposed in 1660 at the time of the restoration of Charles II of England, known as the English Restoration. It was to be a reward to those Englishmen who faithfully & actively supported him during his exile in France. The knights so created were to be called "Knights of the Royal Oak", and bestowed with a silver medal, on a ribbon, depicting the king in the Royal oak tree, a reference to the oak tree at Boscobel House, then called the