(390—392).
VIII.
BOTANY FOR PAINTERS, AND ELEMENTS OF LANDSCAPE PAINTING
Classification of trees (393).—The relative thickness of the branches to the trunk (394—396).—The law of proportion in the growth of the branches (397—402).—The direction of growth (403—407).—The forms of trees (408—411).—The insertion of the leaves (412—419).—Light on branches and leaves (420—422).—The proportions of light and shade in a leaf (423—426).—Of the transparency of leaves (427—429).—The gradations of shade and colour in leaves (430—434).—A classification of trees according to their colours (435).—The proportions of light and shade in trees (436—440).—The distribution of light and shade with reference to the position of the spectator (441—443).—The effects of morning light (444—448).—The effects of midday light (449).—The appearance of trees in the distance (450—451).—The cast shadow of trees (452. 453).—Light and shade on groups of trees (454—457).—On the treatment of light for landscapes (458—464).—On the treatment of light for views of towns (465—469).—The effect of wind on trees (470—473).—Light and shade on clouds (474—477).—On images reflected in water (478).—Of rainbows and rain (479. 480).—Of flower seeds (481).
IX.
THE PRACTICE OF PAINTING
I. Moral precepts for the student of painting.—How to ascertain the dispositions for an artistic career (482).—The course of instruction for an artist (483—485).—The study of the antique (486. 487).—The necessity of anatomical knowledge (488. 489).—How to acquire practice (490).—Industry and thoroughness the first conditions (491—493.)—The artist’s private life and choice of company (493. 494).—The distribution of time for studying (495— 497).—On the productive power of minor artists (498—501).—A caution against one-sided study (502).—How to acquire universality (503—506).—Useful games and exercises (507. 508).—II. The artist’s studio.—Instruments and helps for the application of perspective.—On judging