Every one knows that the sea has larger animals than can be found on land; but, with the enormous sequoias of California in mind, many may be surprised to learn of vegetable growths in the ocean vastly exceeding in length, though not in bulk, these giants of the forest. Recently the ship 'Clever,' commanded by Capt. John Stone, arrived at Montevideo with a portion of a seaweed which had been picked up in the Atlantic near the equator. The sailors perceived an object floating on the surface some distance from the ship, and, manning a boat, they rowed to it, and ascertained that it was an alga of enormous size. On measuring it, it was found to have a length upward of fifteen hundred feet".