Synopsis This book blends information on classical fundamental aspects with recent development in fungal systematics. The textbook of fungi presents information on the morphology, life cycle and their economic uses in human life. Special attempt has been made on the biological activities of the microbial products. They produce several types of drugs including antibiotics, drugs that reduce high blood pressure. They also produce many of the enzymes used in the food, chemicals and pharmaceutical industries. Lichens deal with the structure, reproduction and economic importance of lichens.