 Thus, the Washington Elm at Cambridge — a tree of no extraordinary size — was some years ago estimated to produce a crop of seven millions of leaves, exposing a surface of 200,000 square feet, or about five acres, of foliage.  What May be Learned from a Tree - Page 34by Harland Coultas - 1859 - 192 pagesFull view - About this book
 | 1864 - 940 pages
...sufficiently show how vast is the amount of water that is drained off from sea and land by evaporation. 1 The Washington elm at Cambridge, a tree of no extraordinary size, was Rome years ago estimated to produce a crop of seven millions of leaves, exposing a surface of two hundred... | |
 | Asa Gray - 1857 - 264 pages
...of surface presented by a tree in full leaf is much larger than one would be apt to suppose. Thus, the Washington Elm at Cambridge — a tree of no extraordinary...of seven millions of leaves, exposing a surface of 200,000 square feet, or about five acres, of foliage. 132. What is done by the foliage we shall have... | |
 | Harland Coultas - 1863 - 200 pages
...The figures 28, at the bottom of the first column marked L, show the number of leaves put forth .by the primary axis ; and the sum of the figures of the...increase of leaf-surface each year, was as follows : — 1853, 5 ; 1854, 9 ; 1855, 25 ; 1856, 30 ; 1857, 41 ; 1858, 44. That is to. say, in 1853 the branch... | |
 | James Samuelson, Henry Lawson, William Sweetland Dallas - 1863 - 654 pages
...atmosphere from the first commencement of growth, and the amount of leaflabour necessary to rear such lofty and enduring vegetable monuments ? The Washington...exposing a surface of two hundred thousand square feet or five acres of foliage.* The number of leaves which a tree puts forth during the season is undoubtedly... | |
 | 1864 - 922 pages
...sufficiently show how vast is the amount of water that is drained off from sea and land by evaporation. 1 The Washington elm at Cambridge, a tree of no extraordinary...thousand square feet, or about five acres of foliage. Man and Nature, p. 14G. 2 See Williams's History of Vermont, pp. 89-91. " All the rivers run into the... | |
 | George Perkins Marsh - 1864 - 592 pages
...the foliage of grasses, and other small vegetables, and on other objects of similar form and con* " The Washington elm at Cambridge — a tree of no extraordinary...thousand square feet, or about five acres of foliage."— GRAY, Firtt Lemons in Botang and Vegetable Physiology, as quoted by COULTAS, What, mag be learned from... | |
 | 1864 - 920 pages
...and land by evaporation. 1 The Washington elm at Cambridge, a treo of no extraordinary size, was 8ome years ago estimated to produce a crop of seven millions...thousand square feet, or about five acres of foliage. Han and Nature, p. 146. * See \7illiams's History of.Vermont, pp. 89-01. " All the rivers run into... | |
 | Michigan. Board of Agriculture, Michigan. State Department of Agriculture - 1866 - 410 pages
...branches, and leaves of a tree, present a larger surface than the ground they cover. Dr. G-ray tells us, "the Washington Elm, at Cambridge — a tree of no...some years ago estimated to produce a crop of seven million leaves, exposing a surface of two hundred thousand .square feet, or about five acres of foliage.''... | |
 | Michigan. Legislature. House of Representatives - 1867 - 946 pages
...bronchos, and leaves of a tree, present a larger surface than the ground they cover. Dr. Gray tells us, " the Washington Elm, at Cambridge — a tree of no...some years ago estimated to produce a crop of seven million leaves, exposing a surface of two hundred thousand square feet, or about five acres of foliage."... | |
 | Michigan. Legislature - 1867 - 332 pages
...branches, and leaves of a tree, present a larger surface than the ground they cover. Dr. Gray tells us, "the Washington Elm, at Cambridge — a tree of no...some years ago estimated to produce a crop of seven million leaves, exposing a surface of two hundred thousand square feet, or about five acres of foliage."... | |
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