Ionic order a version of such a perfectly four-sided Ionic capital; Scamozzi's version became so much the standard, that when a Greek Ionic order was eventually reintroduced, in the later 18th century Greek Revival, it conveyed an air of archaic freshness and primitive, perhaps even republican, vitality. The Ionic column is always more slender than the Doric; therefore, it always has a base: Ionic columns are eight and nine column-diameters tall, and even more in the Antebellum colonnades of late American Greek revival plantation houses. Ionic columns are most often fluted. After a little early experimentation, the number of hollow flutes in
The Five Orders of Architecture five orders, with indication of their shadows and the first principles of construction"; "The Five Orders of Architecture according to Giacomo Barozzio of Vignola, to Which are Added the Greek Orders"; and "The five orders of architecture, the casting of shadows and the first principles of construction based on the system of Vignola". The book tackles the five orders, Tuscan, Doric, Ionic, Corinthian, and Composite in separate sections, each subdivided in five parts on the colonnade, arcade, arcade with pedestal, individual pedestals, and entablatures and capitals. Following those 25 sections were some less related parts on cornices and other elements.