This section is from the book "Commercial Gardening Vol4", by John Weathers (the Editor). Also available from Amazon: Commercial Gardening, A Practical & Scientific Treatise For Market Gardeners.
A beautiful North American tree, 30-50 ft. high, with lobed Maple-like leaves which become highly coloured in autumn. L. orientalis, 10-20 ft., is another species. Grows well in ordinary soil, and is raised from layers or imported seeds.