The Symbolism of Tri-Delta   The pearl is the jewel of Tri-Delta. It was chosen to symbolize the new member because it is the one jewel that grows, developing from a tiny grain of sand into a thing of great value and beauty. The pine tree is a symbol of Tri-Delta's collegiate members because it represents growth and lofty aspirations. The pansy is Tri-Delta's flower. It is a symbol of alumnae membership and the third step in the lifetime development of Delta Delta Delta's members. The dolphin was considered a good omen by the ancient Greeks. It symbolized rebirth, friendship and leadership. In Tri-Delta the dolphin is symbolic of clear skies and smooth sailing and has special significance for Fraternity leaders. The patron Greek divinity of Tri-Delta is Poseidon, god of the sea and one of the three rulers of the universe. Tri-Delta's colors are silver, gold and cerulean blue. Green is also significant for Tri-Delta as it represents the union of the three colors. The flag was designed by Eleanor McClure, Knox. The flag is rectangular with three vertical bars, the first and the third, sea-green, one bearing three deltas in white and the other three stars in white; the middle bar is white with a green pine tree.