The Pharmacognosy and Phytochemistry-I book is comprehensive guidance in lucid writing for following theory as well as experimental topics: Theory topics - Introduction to Pharmacognosy - Sources of Crude Drug - Quality Control of Drugs of Natural Origin - Cultivation and Collection of Medicinal Plants - Conservation of Medicinal Plants - Plant Tissue Culture Establishment and Nutritional Requirement - Edible Vaccines - Allopathy and Traditional Systems of Medicine - Introduction to Primary Metabolites and Secondary Metabolites - Fibers - Cotton, Jute, Hemp - Hallucinogenic - Teratogenic - Natural Allergens - Marine Drugs Experiments - Chemical Testing of Crude Drugs - Determination of Leaf Constants - Microscopical Measurements by Micrometer - Physicochemical Evaluation of Crude Drugs Contents: Part - I: Pharmacognosy and Phytochemistry-I (Theory) Part - II: Practical Manual