pose, even though he should not be led to pursue these subjects further by himself. I have every where aimed at familiar illustrations and examples, referring, as much as possible, to plants of easy acquisition. In the explanation of botanical terms and characters, I have, besides furnishing a new set of plates with references to the body of the work, always cited a plant for my purpose by its scientific name, with a reference to some good and sufficient figure. For this end I have generally used either my own work English and Exotic Botany, all the plates of which, as well as of the present volume, are the performance of the same excellent botanist as well as artist; or Curtis's Magazine, much of which also was drawn by Mr. Sowerby. I have chosen these as the most comprehensive and popular books, quoting others only when these failed me, or when I had some