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  that the trees in your landscape be half in shadow and half in the light. It is better to represent them as when the sun is veiled with thin clouds, because in that case the trees receive a general light from the sky, and are darkest in those parts which are nearest to the earth.   the greens seen in the country, that of trees and other plants will appear darker thatthan [sic] that of fields and meadows, though they may happen to be of the same quality.   greens will appear to approach nearest to blue which are of the darkest shade when remote. This is proved by the seventh proposition, which says, that blue is composed of black and white seen at a great distance.   the sea is a little ruffled it has no sameness of colour; for whoever looks at it from the shore, will see it of a dark colour, in a greater degree as it Rh