Take a small quantity of printer's ink, thinly put it on glass, evenly distribute ed. The end of the index-finger will serve as the printer's ball, to cover one side of the leaf uniformly; then lay it to the exact place where you wish the print to be; lay over it a piece of thin, soft paper large enough to cover it; then, without moving the leaf, press all parts of it with the end of the thumb firmly, and you will have a perfect impression, that no engraver can excel; and by adjusting the leaves at the proper points, accurate prints can be taken, and, aided with the brush or pen, the stem and whole plant can be shown. Excellent specimens of impressions of barks of trees can be made by slicing the bark; and with a little care, the stems can also be taken, as well as flowers. When colored with the aniline colors, they are very like colored engravings.