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"Those who wish to repeat these experiments should be careful to choose full-grown healthy leaves, all as nearly as possible of the same age and vigour. It is also desirable that the precise species of plant should be recorded by its scientific name. For want of this, Bonnet, who despised method and nomenclature, has left us in uncertainty concerning several of the plants he examined. We ought to have been accurately informed what species of Poplar differed so remarkably in its power of absorption from the Aspen, another of the same genus. We ought likewise to have been told what Sun-flower, what Nettle, Amaranth and Mallows were examined; for want of which information the authority of such experiments is much impaired."

An introduction to physiological and systematical botany, p. 193



Working on: The miscellaneous botanical works of Robert BrownAn introduction to physiological and systematical botanyMakers of British botanyCurtis's Botanical MagazineThe Perth gazette and Western Australian journal 1


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