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" The quantity of water exhaled from the leaves during active vegetation is very great. In one of the well-known experiments of Hales, a Sunflower three and a half feet high, with a surface of... "
The Botanical Text-book: For Colleges, Schools, and Private Students - Page 132
by Asa Gray - 1845 - 509 pages
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PLAIN AND PLEASANT TALK ABOUT Fruits, Flowers and Farming

HENRY WARD BEECHER - 1859
...sun-flower, three and a half feet *high, presenting a surface of 5.616 square inches exposed to the sun, was found to perspire at the rate of twenty to thirty...times more than a man. A vine with twelve square feet exhaled at the rate of five or six ounces a day. A seedling apple-tree, with twelve square feet of...
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Introduction to Structural and Systematic Botany, and Vegetable Physiology ...

Asa Gray - Science - 1871
...the well-known experiments of Hales, a Sunflower three and a half feet high, with a surface of 5, GIG square inches exposed to the air, was found to perspire...times more than a man. A Vine, with twelve square fect of foliage, exhaled at the rate of five or six ounces a day ; and a seedling Apple-tree, with...
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Pleasant Talk about Fruits, Flowers and Farming

Henry Ward Beecher - Agriculture - 1874 - 498 pages
...sun-flower, three and a half feet high, presenting a surface of 5.616 square inches exposed to the sun, was found to perspire at the rate of twenty to thirty...times more than a man. A vine with twelve square feet exhaled at the rate of five or six ounces a day. A seedling apple-tree, with twelve square feet of...
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Forests and Moisture: Or Effects of Forests on Humidity of Climate

Climatology - 1877 - 308 pages
...great. In one of the well-known experiments of Hales, a sunflower three and a-half feet high, with a surface of 5,616 square inches exposed to the air, was found to perspire at the rate of twenty or thirty ounces avordupois every twelve hours, or seventeen times more than a man. A vine, with twelve...
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The Farmer's Scientific Manual

Georgia. Dept. of Agriculture, Thomas P. Janes - Agriculture - 1878 - 168 pages
...the well known experiments of Hale, a sunflower, three and a half feet high, with a surface of 5,612 square inches exposed to the air, was found to perspire at ' the rate of twenty to thirty ounces avoirdupoise every twelve hours, or seventeen times more than a man. * A seedling apple tree with eleven...
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