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
Tuscan order largely motivated by nationalism. Sebastiano Serlio described five orders including a "Tuscan order", "the solidest and least ornate", in his fourth book of "Regole generali di architettura sopra le cinque maniere de gli edifici" (1537). Though Fra Giocondo had attempted a first illustration of a Tuscan capital in his printed edition of Vitruvius (1511), he showed the capital with an egg and dart enrichment that belonged to the Ionic. The "most rustic" Tuscan order of Serlio was later carefully delineated by Andrea Palladio. In its simplicity, The Tuscan order is seen as similar to the Doric order, and yet in