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Later than the doric, the ionic order has a distinctive capital, with two volutes, and an echinus based on a water lily shape. The Greek capital was straight sided, the volutes on the Roman capital angled outwards. The columns, on attic bases, usually have about twenty four flutes, and are between eight and nine diameters in height. The entablature is usually about one-fifth of the whole. The cornice projects and often has dentil ornamentation, the frieze can be decorated, the architrave is usually divided into three fascias.

see Classical Architecture.