A concise and in-depth presentation of 611 Ayurvedic drugs, under Sanskrit heading. Description includes common Sanskrit synonyms used in Ayurvedic formulations, updated Botanical nomenclature, Family, Malayalam, English, Hindi, Tamil and Telugu names of scientifically accepted source plants, Parts used, the details of Regionally used alternatives, Substitutes mentioned by Ayurvedic classical texts, Adulterants commonly met with in the market and Purification methods of toxic plants or plant parts. Discusses all vegetable drugs that come under Bachelor of Ayurvedic Medicine (B. A. M.S - Ayurvedacharya) and Master of Doctor (Ayurveda) (M. D (Ay) (Ayurveda Vachaspathi)) syllabus prescribed by Central Council of Indian Medicine (CCIM) and important Ayurvedic formulations commercially manufactured by Ayurvedic Pharmaceuticals. The different Malayalam names popular in various parts of Kerala ensure the identification of these drugs by the traditional Vaidyas and drug sellers. The Tamil names facilitate the detection of drugs used in Siddha System of Medicine. In fact the Botanical nomenclature, Vernacular names and other whereabouts of 1100 medicinal plants help to recognize them with ease and to use the book as a reference guide for those persons engaged in medicinal plant research and cultivation. Substitutes of the drugs from classical texts help to select therapeutically effective alternatives for extinct and exotic medicinal plants and subsequently to control adulteration found in the market. The better therapeutical uses of these drugs can be ensured by the knowledge of different purification methods described in the availed from the classical Ayurvedic texts. The book is designed to be a compact one for the students, teachers, practitioners and pharmaceutical men of Ayurveda, Botanists, Agriculturists, Foresters, Ethno medicine experts and the scientists engaged in the research of Medicinal Plants.