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according already animals anthers appearance bark base Botanica botanists branches bulb called calyx caulis circumstance colour common compound considerable considered consists contains corolla cotyledons cover defines denominated distinct divided earth embryo English entirely essential experiments extremely figure flowers folium former frequently fruit furnished genera germ germination given grasses greater number ground grow head important insects instances kind known leaf leaflets least leaves less Linnæus manner matter means mentioned natural naturalist nectary observed opening opinion organs origin particular peduncle perhaps perianth pericarp petals petiole placed plants Plate pollen present principal probable proper radicle received receptacle referred regard respect root seeds seems side simple single situation sometimes speaking species stamens stem structure supports surface term tion treating trees true United various vegetables vessels whilst whole writers
ii ページ - An Act for the encouragement of learning, by securing the copies of maps, charts, and books, to the authors and proprietors of such copies during the times therein mentioned." And also to the act, entitled " An Act supplementary to an Act, entitled, " An Act for the encouragement of learning, by securing the copies of maps, charts, and books, to the authors and proprietors of such copies during the time therein mentioned," and extending the benefits thereof to the arts of designing, engraving, and...
241 ページ - To close the face of things. A fresher gale Begins to wave the wood, and stir the stream, Sweeping with shadowy gust the fields of corn ; While the quail clamours for his running mate. Wide o'er the thistly lawn, as swells the breeze, A whitening shower of vegetable down Amusive floats. The kind impartial care Of Nature nought disdains : thoughtful to feed Her lowest sons, and clothe the coming year, From field to field the feather'd seeds she wings.
2 ページ - But not alike to every mortal eye, Is this great scene unveil'd. For since the claims 80 Of social life, to different labours urge The active powers of man ; with wise intent The hand of Nature on peculiar minds Imprints a different bias, and to each Decrees its province in the common toil.
146 ページ - How charming is divine Philosophy! Not harsh and crabbed, as dull fools suppose, But musical as is Apollo's lute, And a perpetual feast of nectar'd sweets, Where no crude surfeit reigns.
ii ページ - Elements of Botany, or outlines of the natural history of vegetables, illustrated with forty plates; the second edition, first volume. 310 pages, with an index of forty pages — 1812. "19. Additional facts, observations, and conjectures, relative to the generation of the opossum of North America, in a letter to Professor JAH Reimarus, of Hamburg; octavo, 24 pages — 1813.
i ページ - ... Scotland ; Member | of the American Philosophical Society ; Fellow of the American Academy | of Arts and Sciences of Boston ; Corresponding Member of the | Massachusetts Historical Society; Member of the Phy- 1 sical Society of Jena; one of the Foreign Members | of the Lmnœan Society of London ; | and | Professor of Materia Medica, Natural History and Botany, | in the | University of Pennsylvania.
248 ページ - ... equal in weight to one grain; and that the weight of the whole quantity of seed in a single stalk of Tobacco, is such, that the number of seeds, according to the above-mentioned proportion, must be 3 60, 000.
xi ページ - I thus publicly return my thanks to the ingenious naturalist, for his kind liberality in enriching my work, I sincerely rejoice to have an opportunity of declaring how much of my happiness in the study of natural history, has been owing to my acquaintance with him; how often I have availed myself of his knowledge in the investigation of the natural productions of our native country; how sincerely I have loved him for the happiest union of moral integrity, with original genius, and unaspiring science,...
317 ページ - Domine," of our singers; and, after partaking silently of the luxurious banquet, again set up their tuneful paeans. Honey is of no other use to plants than to tempt insects, who, in procuring it, fertilize the flower by disturbing the dust of the stamens, and even carry that substance from the barren to the fertile blossoms.