“ The word tribute was also applied in the Roman republic to (1) certain extraordinary taxes, as opposed to the ordinary vectigalia. Such, in particular, were certain property taxes, raised to meet the expenses of war. They were levied on all citizens alike, in proportion to the extent of a man's fortune, and varied according to the total amount of revenue to be raised. (2) To the ordinary stipendium or tax of fixed amount paid either in money or in kind, on property, trades, or as a poll-tax, raised in the Roman provinces (see Province) . ”