There are numerous newly-invented orders, sometimes called nonce orders, where a different ornamentation of the capital is typically a key feature. Within the bounds of decorum, a certain amount of inventive play has always been acceptable within the classical tradition. These became increasingly common after the Renaissance. When Benjamin Latrobe redesigned the Senate Vestibule in the United States Capitol in 1807, he introduced six columns that he "Americanized" with ears of corn (maize) substituting for the European acanthus leaves. As Latrobe reported to Thomas Jefferson in August 1809,