No. 16. The willow is another interesting tree for study and is drawn in a similar manner to those previously mentioned. The stroke of the chalk for foliage is a curving one rather than horizontal as in the evergreen or vertical as in the poplar.
No. 17. A suggestion of distance will frequently be found a good background for a tree, building or other similar foreground. The distance is treated in exactly the same manner as the foliage in many of the trees, the side of the chalk giving a gray, uneven surface. In drawing the water represent the reflections with vertical strokes and the ripples with horizontal ones.
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No. 18. Make the hillside with two or three gray strokes of No. 1, the clouds with a similar curving stroke, and the trees with charcoal, using the same treatment as in the chalk drawings.
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No. 19. Experiment with a few vegetables, or fruit, using the strokes which the illustrations will readily suggest. For the grapes use a short piece of chalk and a quick, curving stroke, the point being used only in accenting.