Purbeck stone Purbeck stone Purbeck stone refers to building stone taken from a series of limestone beds found in the Upper Jurassic to Lower Cretaceous Purbeck Group, found on the Isle of Purbeck, Dorset in southern England. The best known variety of this stone is Purbeck Marble. The stone has been quarried since at least Roman times up to the present day. The Purbeck Group is a sequence of sedimentary rocks that were deposited in a shallow freshwater to brackish lagoonal setting. It ranges in age from Tithonian to Berriasian. Limestone beds are developed at various levels throughout the sequence, each with
Acanthus mollis Acanthus mollis Acanthus mollis, commonly known as bear's breeches, sea dock, bearsfoot or oyster plant, is a herbaceous perennial plant with an underground rhizome in the genus "Acanthus". It is regarded as an invasive species in some jurisdictions. The name of the genus derives from the Greek name of the plant "ákanthos"; it was imitated in Corinthian capitals. This "ákanthos" is related to "ákantha" meaning "thorn" referring to the thorn-bearing sepals, or any thorny or prickly plant in Greek. The Latin name of the species, "mollis" meaning "soft, smooth", refers to the texture of the leaves. "Acanthus mollis" reaches on