Again, the _NATURALIZATION OF PLANTS._ "The large number of our native plants (for we call those native which have adapted themselves to our climate) mark the gradual progress of our civilization through the long period of two thousand years; whilst the almost infinite diversity of exotics which a botanical garden offers, attest the triumphs of that industry which has carried us as merchants or as colonists over every region of the earth, and has brought from every region whatever can administer to our comforts and our luxuries,--to the tastes and the needful desires of the humblest as well as the highest amongst us. To the same commerce we owe the potato and the pine-apple; the China rose, whose flowers cluster round the cottage-porch, and the Camellia which blooms in the conservatory. The addition even of a flower, or an ornamental shrub, to those which we already possess, is not to be regarded as a matter below the care of industry and science. The more we extend our acquaintance with the productions of nature, the more are our minds elevated by contemplating the variety, as well as the exceeding beauty, of the works of the Creator. The highest understanding does not stoop when occupied in observing the brilliant colour of a blossom, or the graceful form of a leaf. Hogarth, the great moral painter, a man in all respects of real and original genius, writes thus to his friend Ellis, a distinguished traveller and naturalist:--'As for your pretty little seed-cups, or vases, they are a sweet confirmation of the pleasure Nature seems to take in superadding an elegance of form to most of her works, wherever you find them. How poor and bungling are all the imitations of Art! When I have the pleasure of seeing you next, we will sit down, _nay, kneel down if you will_, and admire these things.' * * * * * "It is one of the proudest attributes of man, and one which is most important for him to know, that he can improve every production of nature, if he will but once make it his own by possession and attachment. A conviction of this truth has rendered the cultivation of fruits, in the more polished countries of Europe, as successful as we now behold it." The work then divides into _Fruits of the Temperate Climates_, and of _Tropical Climates_; the first are subdivided into Fleshy, Pulpy, and Stone Fruits and Nuts, in preference to a strict geographical arrangement. Under "the Apple" occur some very judicious observations on _CIDER._