Petre, Robert Edward, Baron, 1772-1810.

Peter Collinson (1694–1768) was an English merchant and botanist. He was a partner in his father’s London trading business, and he remained a merchant throughout his life. However, at a young age, he also developed a passion for botany. He eventually wrote numerous essays on natural history topics for the Gentleman’s Magazine, and he contributed many reports to the Society of Antiquaries and to the Royal Society, of which he was a member. His extensive network of correspondents in Europe and North America placed Collinson at the nexus of the community of eighteenth century European and American natural scientists.

Peter Collinson was born in London, the son of the Quaker and London cloth merchant Peter Collinson and his wife Elizabeth Hall. Young Peter’s love of plants apparently stemmed from a garden owned by relatives with whom he lived as a boy and which he later inherited. However, Collinson is known less for his own original contributions to natural science than for his tireless support of the work of others. His publications and affiliation with the Royal Society brought him in contact with many eminent European naturalists and scientists of his day, including Sir Hans Sloane (1660-1753), Stephen Hales (1677-1761), and J. J. Dillenius (1684-1747). He also knew the Swedish naturalist Carl Linnaeus (1707-1778, APS 1769), who named horse balm ( Collinsonia canadensis ) after him. Collinson was always supportive of the work of ordinary gardeners and plantsmen, such as Philip Miller (1691-1771), the gardener of the Chelsea Physic Garden, and the nurseryman James Gordon, who helped maintain the extensive gardens of Lord Petre, Collinson’s close friend and patron of scientific endeavors.

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