Flowering Rush, or Water Gladiole, Butomus Umlellatus, L. a native perennial plant, growing in slow streams and muddy ditches ; flowering in the month of June or July. - This beautiful herb is a great ornament to the banks of our rivers and marshy ditches: it is refused by every species of cattle. From its strong leaves, the Dutch manufacture a kind of carpets and tapestry that are highly prized ; and Bohmer observes, that they may also be converted into baskets, for packing fruit and other commodities.