At a little before two o'clock the Sunflower steams off on her journey up the river. The course of the steamer is impeded at almost every foot by small craft of all descriptions, en route to Putney and the race. We pass, on our way down, Waterloo Bridge, Charing Cross Bridge, with its huge railroad trains thundering over our heads, bound to Dover, with passengers for the Continent; Westminster Bridge and the Houses of Parliament, with their gilt vanes, towers, and battlements glistening in the sun; Lambeth Bridge and Lambeth Palace, the residence of the Primate of England, with its gardens and red brick towers; St. Thomas Hospitals, in process of construction; Millbank Penitentiary, a gloomy, six-sided fortress of crime; Vauxhall Bridge; Pimlico Pier, where we stop a moment; the Nine Elms Road, Chelsea Bridge, and Chelsea Hospital, where a number of frisky, one-legged and one-armed veterans are disporting themselves on its smooth, grassy lawn; the Botanic Garden on the right, and the green fields and trees and silvery lake of Battersea Park on the left; Albert Bridge, Cadogan Pier, Chelsea Pier, Battersea Bridge, and the Cremorne Gardens, with its kiosks, captive balloon, statues, shady walks, fountains, and flower beds; and now we are opposite Fulham and Brompton, where the splendid and extravagant Formosas of the metropolis enjoy their ill-gotten gains in pleasant villas and cozy little houses. We are now getting away from the thickly populated districts of London, and the bridges that cross the river are fewer and farther between, and, being generally of wood, are more rickety. During the entire passage we are continually stopped by small craft of all kinds. The river is alive with them. [Sidenote: ON THE TOWING PATH.] There are huge yawls, of broad bottom and clumsy construction, containing family parties, with their provender--bread, cheese, and beer, ham pies, and beef pies, kidneys and tongues--spread out in the bottom of the boats on white cloths or in open baskets; there are long shells with crews of eight and four, carrying coxswains; single sculls, double sculls, wherries, watermen's boats, small steam launches, lighters, watermen's barges, small sloops and schooners with dirty sails and unseemly rudders, pleasure yachts, and craft of such queer shape and rig as are never seen on our American rivers. All are bent on pleasure, and in many of the boats they are singing the slang songs of the London streets; and now and then are warbled the cheering chants of the boatmen immortalized by Dibdin and Taylor, the water poets. A couple of miles more and we are in sight of Putney Bridge, which towers aloft, rickety, worn, and decayed, thousands crossing to and fro on its frail planks to get positions for the race.