Tuscan order A plain astragal or taenia ringed the column beneath its plain cap. Palladio agreed in essence with Serlio: "The Tuscan, being rough, is rarely used above ground except in one-storey buildings like villa barns or in huge structures like Amphitheatres and the like which, having many orders, can take this one in place of the Doric, under the Ionic." Unlike the other authors Palladio found Roman precedents, of which he named the arena of Verona and the Pula Arena, both of which, James Ackerman points out, are arcuated buildings that did not present columns and entablatures. A striking feature is
Doric order Doric order had not been very widely used, though "Tuscan" types of round capitals were always popular, especially in less formal buildings. It was sometimes used in military contexts, for example the Royal Hospital Chelsea (1682 onwards, by Christopher Wren). The first engraved illustrations of the Greek Doric order dated to the mid-18th century. Its appearance in the new phase of Classicism brought with it new connotations of high-minded primitive simplicity, seriousness of purpose, noble sobriety. In Germany it suggested a contrast with the French, and in the United States republican virtues. In a customs house, Greek Doric suggested incorruptibility;