"Every aspect of trees and how to depict them — in any style — is covered with unusual clarity and precision; problems of balancing tree groups, relations of light and shade, delicacy and weight, distance, sky apertures and their patterns, curves and straight lines in tree branches, tree color, the influence of special environmental factors (age, frost and snow, wind, moonlight), the effects of bud arrangements on the anatomy of trees, etc. Of special value is the very thorough and lucid analysis of tree anatomy: the proportion of boughs, branches, and twigs; the positioning of leaves on twigs; the form, texture, and color of leaves; leaf patterns; flower arrangement; stipules, bracts, buds, scales, spines, seedlings, the bark, and all the other essential details of structure. Specific information is given for each tree discussed: oaks, sycamores, willows, pines, maples, etc.; abstract and inaccurate generalizations are avoided. Nearly 500 illustrations by the author accompany the text, demonstrating all the anatomical features discussed. In addition, there are 48 full-page plates: magnificent landscape paintings and drawings by Giorgione, Rubens, Rembrandt, Van der Neer, Watteau, Hobbema, Turner, Gainsborough, Dupré, and many others, showing their compositional use of trees, their details in rendering, and similar material.
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