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
Oak Lane Day School campus included a stream, pond, woods, meadows, specimen trees and animal life of all kind which supported environmental studies. Originally known as Oak Lane Country Day School, Oak Lane was established in 1916 and for 44 years was located in Cheltenham Township just north of Philadelphia on Oak Lane Road (not to be confused with a nearby but discontiguous Philadelphia street named Oak Lane). The school’s founders used the model of the Progressive Education Movement to support a religiously, racially and economically diverse student population. Oak Lane's first head of school was Francis Marion Garver who later became director of