Reveals the use of direct perception in understanding Nature, medicinal plants, and the healing of human disease • Explores the techniques used by indigenous and Western peoples to learn directly from the plants themselves, including those of Henry David Thoreau, Goethe, and Masanobu Fukuoka, author of The One Straw Revolution • Contains leading-edge information on the heart as an organ of perception All ancient and indigenous peoples insisted their knowledge of plant medicines came from the plants themselves and not through trial-and-error experimentation. Less well known is that many Western peoples made this same assertion. There are, in fact, two modes of cognition available to all human beings--the brain-based linear and the heart-based holistic.