​The Eclectic and General Dispensatory, authored by Daniel Winder, is a significant work in the field of herbal medicine and pharmacy. This comprehensive guide serves as a bridge between traditional herbal practices and the evolving scientific approaches of the 19th century. Winder’s intent was to provide a resource that was both accessible to students and informative for physicians, offering insights into the historical context of Materia Medica and exploring both foreign and domestic sources of medicinal ingredients. The book delves into the science of combining and mixing substances for medicinal purposes, emphasizing the importance of empirical practices and cautioning against the use of potentially harmful remedies. By examining the history of these practices, Winder highlights the complex intersection of science, knowledge, and morality in the field of medicine.​

The work is structured to cater to a wide audience, from budding herbalists to seasoned practitioners. It provides detailed descriptions of various botanical substances, outlining their properties, uses, and preparation methods. The inclusion of formulas from renowned institutions like the London, Edinburgh, and Dublin Pharmacopeias offers readers a glimpse into standardized practices of the time. Additionally, Winder addresses the importance of proper plant collection and preservation techniques, ensuring the efficacy of the medicinal preparations. The book also features recipes for a variety of preparations, including extracts, syrups, tinctures, ointments, pills, powders, sodas, vinegars, and plasters, reflecting the diverse applications of herbal medicine during the period.​

A notable aspect of The Eclectic and General Dispensatory is its critical approach to the prevailing medical practices of the era. Winder critiques the widespread use of potentially dangerous remedies and seeks to limit the spread of such practices by promoting safer, evidence-based alternatives. This perspective aligns with the broader Eclectic movement, which aimed to reform medical practices by integrating various healing traditions and emphasizing the use of botanical remedies. The book’s exploration of the history of these practices reveals a thematic depth that speaks to the complex intersection of science, knowledge, and morality in the field of medicine.​

The Eclectic and General Dispensatory stands as a testament to the evolving understanding of herbal medicine in the 19th century. Through its detailed descriptions, critical analysis, and practical guidance, Winder provides a valuable resource for those interested in the study and application of botanical therapeutics. The work not only serves as a historical document but also offers insights into the ongoing dialogue between tradition and innovation in the field of medicine.