Plants in our lives -- The plant cell -- The plant body -- Plant physiology -- Plant life cycle : flowers -- Plant life cycle : fruits and seeds -- Genetics -- Plant systematics and evolution -- Diversity of plant life -- Human nutrition -- Origins of agriculture -- The grasses -- Legumes -- Starchy staples -- Feeding a hungry world -- Stimulating beverages -- Herbs and spices -- Materials : cloth, wood, and paper -- Medicinal plants -- Psychoactive plants -- Poisonous and allergy plants -- The algae -- Fungi in the natural environment -- Beverages and foods from fungi -- Fungi that affect human health -- Plant ecology