Collect one or two leaves that have strongly marked ribs; elm and raspberry are good ones. Take a piece of paper that is strong, but rather soft, and about as big as this page. Grease, or oil it all over with paint-oil, butter, or lard. Then hold it, grease-side down, in the smoke of a candle, close to the flame, moving it ab
Lay the paper flat on a table, soot-side up, on a piece of blotting paper. Lay the leaf on this; then, over that, a sheet of paper. Press this down over all the leaf. Lift the leaf and lay it on a piece of soft, white paper; press it down as before, with a paper over it, on which you rub with one hand while the other keeps it from slipping; lift the leaf, and on the lower paper you will find a beautiful line-drawing of the leaf, done in black ink; which, once it is dry, will never rub out or fade away.
At one corner write down the date and the name of the leaf.