Tincture (heraldry) as the field upon which they rest, with the colours reversed. In the municipal arms of Behnsdorf, Saxony-Anhalt, seen at right, the field is divided with the left half white (argent) and the right half green (vert), and the counterchanged tree is green where it lies on the white part of the field, and white where it lies on the green part. The flag of Maryland is another example of counterchanging. The only U.S. state flag to be directly based on English heraldry, it is the arms of George Calvert, 1st Baron Baltimore, who founded the colony of Maryland in
Heraldry or the colour of nature. This does not seem to have been done in the earliest heraldry, but examples are known from at least the seventeenth century. While there can be no objection to the occasional depiction of objects in this manner, the overuse of charges in their natural colours is often cited as indicative of bad heraldic practice. The much-maligned practice of landscape heraldry, which flourished in the latter part of the eighteenth and early part of the nineteenth century, made extensive use of such non-heraldic colours. One of the most important conventions of heraldry is the so-called "rule