"Hereafter I shall say, 'Gee, David,' 'Haw, David,' 'Whoa, David,' and then she will do exactly as you." The Harvester stopped half way up the hill, and beside a large, shaded bed spread the rug, and set up the little table and chair for the Girl.
"Want a plant to draw ?" he asked.

"This is very important to us.

It has a string of names as long as a princess, but I call it goldenseal, because the roots are yellow.

The chemists ask for hydrastis.

That sounds formidable, but it's a cousin of buttercups.