SNOW: In a medium bowl, mix gelatin with sugar and salt. Add boiling water and stir until gelatin as completely dissolved. Mix in tea, lemon juice and rind. Chill, stir occasionally until thickened and mixture mounds when dropped from a spoon. Add egg whites to thickened gelatin. Beat at high speed until mixture begins to hold its shape, about 10 minutes. If kitchen is very warm, beat over ice water. Turn into a 6-cup crystal bowl. Chill until firm. STRAWBERRY SAUCE: In a saucepan, combine strawberries, sugar and jelly; bring to a boil. Mix cornstarch with cold water. Add to strawberries and cook, stirring constantly until clear. Chill, serve over snow. Pair this delectable dessert with a pitcher of iced tea, garnished with a lemon slice or sprig of hot tea.