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by which Plants, separated from others by genus and species, can be distinguished by any student of Botany without a Master and the aid of an optical lens. This method, indeed, although not entirely exquisite, must nevertheless be deservedly considered easier and more convenient for plant-lovers often traversing wild thickets and Mountains for the sake of collecting Plants, because it does not require such laborious diligence and opportunity in properly inspecting the number of Stamens male fertilizing organ of a flower and Pistils female organ of a flower, and the forms of Stigmas pollen-receptive part of a pistil, Anthers pollen-bearing part of a stamen, and Nectaries nectar-secreting gland, as the Linnaean system of classification by sexual organs method demands. Nor, however, do we deny that the way of the most famous Linnaeus in describing Plants is more suitable for those who, through philosophical curiosity, desire to probe more deeply into the hidden parts of nature, and thus precisely to unfold and exhibit the sex (1) and fructification