C. Roman Doric. Roman Doric is easiest to separate from Greek by its base, consisting of a plinth and torus. If the entablature have triglyphs, metopes, and guttae, but the columns have a base, then it is Roman Doric. D. Roman Ionic. The most prominent feature are the scrolls in the capital.
Greek scrolls have a droop in their center while Roman scrolls are straight with egg and darts.
The sides of the capital show the scrolls as balusters or bolsters. Tall bell shaped capital, a series of small brackets called modillions that support the cornice in addition to the dentils and a general richness of detail which is enhanced by the use of the Acanthus leaf in both capitals and modillions. A Roman style of simplified Doric. Characterized by extreme simplicity. Columns are not fluted, capitals are unadorned.