Anxiety felt in England about the Spanish Treaty--Charles I. the first Male Heir for whom a Treaty of Marriage had been set on foot since Henry VIII.--Qualities of the Infanta--Called the Rare Infanta--Charles’s Personal Excellence and Elegance--Alliance received with Interest as Concerning the Palatinate--Question of the Dispensation--The Obstacles--Difficulty in fitting out a Fleet to bring the Prince back--James’s Apprehensions--Letter from Lord Kensington--Preparations at Southampton for the Reception of the Prince and Infanta--Attempts made in Spain to Convert Charles--His Firmness, and that of the Duke--Buckingham’s Impatience to return to England--Letters of Endymion Porter from Spain--The Romantic Adventure of Prince Charles in a Garden--His Short Interview with the Infanta accompanied by Endymion Porter--Hopes of the Treaty being fulfilled--The Betrothal fixed for St. James’s Day, but not accomplished--The Fool Archy’s Speech--Buckingham’s Pecuniary Difficulties--His Boldness--Unpopularity--Insanity of his Brother, Lord Purbeck--Amiable Conduct of the Duchess of Buckingham--Grand Entertainment given at Madrid--The Fuego de Cannas--Quarrels between Buckingham and Olivares--Bristol’s Despatches Unfavourable to the Prince--Preparations for the Prince’s Departure--The Infanta’s Marriage Deferred--Original Letter from Bristol--Leave-Taking at the Escurial--The Prince reaches Segovia--Valladolid--St. Andero--Perils in Returning from the Fleet to the Shore--Voyage Home--Touches at the Scilly Isles--Arrives at Portsmouth--At York House--At Royston--Public Rejoicings--Charles termed "England’s Joy" 1 CHAPTER II.