In dedicating this Work to you, I am not presumptuous enough to believe that I can offer anything novel in a botanical point of view, though I am sure you are too generous a patron of the science to discourage any effort, however feeble, which has for its object the diffusion of a taste for such pursuits: my motives, however, are not of this nature; I would offer it to you as a mark of respect and affection, but more particularly of gratitude, for the warm attachment you have ever evinced towards me, which has contributed so much to the happiness of my life. With these sentiments, allow me to subscribe myself, The present state of botanical knowledge renders it impossible for the Author of …
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