The document provides instructions for preparing herbal teas, infusions, and decoctions. Basic preparation rules include using dry herbs and doubling the quantity for fresh herbs. Equipment should be non-aluminum and water should be purified and chlorine-free. Teas are made with 1 teaspoon herb to 1 cup water, steeping 5-10 minutes. Infusions use 1 ounce herb to 1 pint water, steeping 10-20 minutes. Decoctions extract bitter principles and minerals, using 1 ounce root or herb simmered until 1/4 water reduces, then strained.