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HALES, Stephen (1677-1761). Vegetable Staticks: or, an Account of some Statical Experiments on the Sap in Vegetables: Being an Essay towards a Natural History of Vegetation. London: for W. and J. Innys and T. Woodward, 1727.
First edition of this important work on plant nutrition and experimental physiology. Hales applied his training in biology and mathematics (including physics) to make important scientific investigations first described in this volume. He outlines plant physiology, including the movement of water in plants, and states the 3 factors of water movement: root suction, root pressure and leaf suction. He also established that plants lose water continuously during transpiration through leaves. His quantitative measurements of these phenomena enabled him to show that the rate of transpiration varied with temperature. Hales established that plants do not have a true circulation system and he developed techniques of measuring the varying growth rates in different plant structures. Dibner Heralds of Science 26; Grolier/Horblit 45a; Henrey 777; NLM/Blake, p.194; Norman 970; Osler 1081; PMM 189a; Waller 11527; Wellcome III, p.194.
Octavo (193 x 119 mm). 19 engraved plates by S. Gribelin (title faintly soiled). Contemporary calf (rebacked preserving the original spine label).
First edition of this important work on plant nutrition and experimental physiology. Hales applied his training in biology and mathematics (including physics) to make important scientific investigations first described in this volume. He outlines plant physiology, including the movement of water in plants, and states the 3 factors of water movement: root suction, root pressure and leaf suction. He also established that plants lose water continuously during transpiration through leaves. His quantitative measurements of these phenomena enabled him to show that the rate of transpiration varied with temperature. Hales established that plants do not have a true circulation system and he developed techniques of measuring the varying growth rates in different plant structures. Dibner Heralds of Science 26; Grolier/Horblit 45a; Henrey 777; NLM/Blake, p.194; Norman 970; Osler 1081; PMM 189a; Waller 11527; Wellcome III, p.194.
Octavo (193 x 119 mm). 19 engraved plates by S. Gribelin (title faintly soiled). Contemporary calf (rebacked preserving the original spine label).
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