​The Botanical Register, Volume 4, published in 1818 by James Ridgway, is a distinguished horticultural work edited by Sydenham Edwards. This volume is part of a series that aimed to provide detailed illustrations and descriptions of exotic plants cultivated in British gardens. Each entry in the volume features a hand-colored engraving of the plant, accompanied by a comprehensive account of its history, cultivation methods, and botanical characteristics. The work serves as both an artistic showcase and a practical guide for gardeners and botanists of the time.​

The volume includes a variety of plants, each meticulously illustrated to capture their unique features. The accompanying texts offer insights into the plants’ origins, their introduction to Britain, and the care required for their successful cultivation. This combination of visual and textual information reflects the period’s emphasis on blending scientific observation with artistic representation in botanical studies.​

The Botanical Register, Volume 4 stands as a testament to the rich tradition of botanical illustration and horticultural documentation in the early 19th century. Its detailed engravings and thorough descriptions provide valuable historical insights into the plants that were admired and cultivated in British gardens during that era. The volume continues to be a valuable resource for those interested in the history of botany and horticulture.