The panels in the later development were invariably plain, but a decorated frieze, carved in relief, was carried round immediately under the cornice. Coats of arms at intervals sometimes supplied the decoration. The carved frieze gave place to a simple form of patterning, which was produced by sinking the ground to practically one level and leaving the ornament which had little or no modelling, flush with the face of the panel. This led to fretting out the pattern and applying it to the surface. The idea of planting ornament evidently spread, and may be seen in such obviously applied details as studs and half-balusters. A typical room of the period would be treated with plain panelling, perhaps divided into bays by pilasters, and all elaboration was confined to the doorways and chimney-piece. [Illustration: No. 95. Jacobean Wood Carving. Palace of Bromley-by-Bow.] The chimney-piece might be in wood, stone or marble, and while there were many varieties of treatment, the designs readily fall under one general type. Columns or pilasters flanked the opening, [Illustration: No. 96. Jacobean Chimney-piece. Palace of Bromley-by-Bow.] carrying an entablature consisting of architrave frieze and cornice, the latter forming a shelf. Above this there was a similar arrangement, but on a smaller scale and with finer proportions. The space between the columns above the shelf was usually filled with carving, which sometimes took the form of armorial bearings. In many examples the upper part is divided into two panels, which were generally filled with carved ornament such as strapwork or shields charged with heraldic devices. Where the chimney-piece was of wood, the fireplace opening was surrounded by a stone lining, which had moulded splays on the upright jambs. In earlier examples the jambs were connected by a flattened arch with carved spandrils. In later work a horizontal panel was employed or a frieze of carved detail. The opening itself was wide, and was lined with brick or stone. The interior was occupied by a fire-back of cast-iron and a movable grate or basket supported on dogs. [Illustration: No. 97. Jacobean Door, shewing absense of architrave.] Doors were at first merely a part of the panelling without hanging frames, but later they were treated as important features of the rooms. They were often framed with columns and pilasters, surmounted by entablatures, with or without pediments. Obelisks were sometimes placed over the pilasters. The frieze was fluted or carved. In many cases the tympanum of the pediment or even one of the door panels bore the owner’s coat of arms. In the earlier phases the mouldings framing the panels were simple in form, and worked on the stiles and rails. But later they were applied, being wider in display and more elaborate in section. These applied mouldings, evidently the result of mechanical appliances, later led to extreme license in broken angles and panellings of complicated form.