Trees and shrubs in America

879. The trees and shrubs of North America are unquestionably the most splendid and beautiful vegetable productions of the temperate climates of the globe. Without the American magnolias, tulip trees, rhododendrons, azaleas, kalmias, vacciniums, andro-medas, and other ornamental plants, not to mention numerous other genera, where would be the beauty of European pleasure-grounds ? North America, indeed, has supplied more valuable materials for ornamental gardening than all the rest of the world put together.