This book describes some commonly used medicinal plants of uncertain botanical identity. With the increased public interest in the use of herbs to treat ailments, many spurious plants are being used in the manufacture of Ayurvedic medicines. This is sometimes owing to ignorance and in other cases, an attempt by unscrupulous manufacturers taking advantage of this demand. The book differentiates between adulterants, substitutes and genuine drugs. This book will be helpful to those manufacturers who wish to use genuine drug plants in their preparations and to educate lay people who are using Ayurvedic remedies. It will also be useful to pharmacists.