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47:, rector of Bushey and Archdeacon of St. Albans. James, junior, was a barrister and amateur antiquary who had been admitted to Lincoln's Inn in 1771, but he died in 1790 aged 35 leaving Agnes a widow. Sometime after James's death she moved to Devon where she lived for the rest of her life. She died on 9 February 1823 in
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Though isolated from the contemporary scientific community, Ibbetson began publishing her plant physiology in her fifties, and approached her work with an observational and experimental bent. Ibbetson made extensive use of microscopes, plant dissection, and other technology to pursue her studies, and
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are preserved some specimens of woods and microscopic slides prepared by her, with a manuscript description stating that they represent twenty-four years' work, and illustrating her erroneous belief that buds originate endogenously and force their way outward.
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She was the daughter of Andrew
Thomson Esq., of Roehampton, a London merchant, and was born in London in 1757 and educated at home. In 1783 she married James Ibbetson at Bushey in Hertfordshire. He was the eldest son the Rev.
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on the microscopic structure and physiology of plants, including such subjects as air-vessels, pollen, perspiration, sleep, winter-buds, grafting, impregnation, germination, and the
Jussieuean method. In the
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believed that plant functions had mechanical explanations. Between 1809 and 1822 Mrs. Ibbetson contributed more than fifty papers to
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375: This article incorporates text from a publication now in the
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238:"Flora Feministica: Reflections on the Culture of Botany"
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284:. Vol. 28. London: Smith, Elder & Co.
202:(online ed.). Oxford University Press.
156:(online ed.). Oxford University Press.
391:. London: Smith, Elder & Co. 1885â1900.
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199:Oxford Dictionary of National Biography
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193:"Oxford DNB article: Ibbetson, Agnes"
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129:"Multiple news items: Obituary".
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303:International Plant Names Index
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30:(1757â1823) was an English
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309:Royal Botanic Gardens, Kew
51:, aged 66. Her nephew was
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102:was dedicated to her by
271:"Ibbetson, Agnes"
266:Boulger, George Simonds
190:Shteir, Ann B. (2004).
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208:10.1093/ref:odnb/14348
162:10.1093/ref:odnb/14348
131:Royal Cornwall Gazette
77:Philosophical Magazine
420:English physiologists
343:"G-K: Agnes Ibbetson"
341:Charters, Michael L.
98:The leguminous genus
298:"Plant name details"
425:Plant physiologists
133:. 22 February 1823.
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32:plant physiologist
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167:11 October
116:References
100:Ibbetsonia
317:Libraries
104:John Sims
83:botanical
268:(1891).
109:Cyclopia
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274:. In
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