(τετραγύνια, "four," and γυνή, "a woman"); the name of an order, or secondary division in the 4th, 5th, 6th, 8th, and 10th classes in the Sexual System; consisting of plants which, to the classic character, whatever it is, add the circumstance of having four styles or female organs. Herb-paris and grats of Parnassus furnish examples.