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" LL.D., of Amherst College, will convince the inquirer that there is an intimate connection between these three sets of facts. The quantity of sap from a sugar maple during the season is much greater than from any other tree flowing from the same causes.... "
Observations on the Phenomena of Plant Life: A Paper Presented to the ... - 第 40 頁
William Smith Clark 著 - 1875 - 111 頁
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Public Documents of Massachusetts, 第 3-4 卷

Massachusetts - 1875
...indicated in, the meteorological observations, kindly furnished by Prof. ES Snell, LL.D., of Amhcrst College, will convince the inquirer that there is...seem to do so in the spring from a cause entirely different from that which affects the trees Avhich bleed in fall and winter. The grape, which is often...
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Nature, 第 12 卷

Sir Norman Lockyer - 1875
...amount of their flowing. A paper-birch, fifteen inches in diameter, bled in less than two months over one thousand four hundred and eighty-six pounds of sap ; the maximum flow, on the 5th of May, amounting to sixtythree pounds and four ounces. The grape bleeds comparatively little as...
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Annual Report of the Secretary of the State Pomological Society of ..., 第 4 卷

State Pomological Society of Michigan - 1875
...temperature as indicated in the meteorological observations, kindly furnished by Prof. ES Snell, LL. D., of Amherst College, will convince the inquirer that...seem to do so in the spring from a cause entirely different from that which affects the trees which bleed in fall and winter. The grape, which is often...
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