The textbook focuses on the fundamentals of pharmacognosy, classification of crude drugs, their identification, evaluation, marine drugs, tissue culture techniques, phytochemicals present in the drugs and their ?medicinal properties. The textbook will help the undergraduate and postgraduate students of pharmacognosy to understand: techniques in cultivation and production of crude drugs crude drugs,their uses and chemical nature evaluation technique for herbal drugs microscopic and morphological evaluation of crude drugs. This textbook will also serve as a valuable information source for MPharm students as well as undergraduate/postgraduate students of courses in alternative systems of medicine.