 | Geology - 1866 - 470 pages
...tints of the leaves were all preserved. The red glass rather impeded the development of the leaves, and produced at the base of the limb yellow instead...foliage became almost uniformly green. Thus, by means of colored glasses, provided they are not yellow, horticulturists may hope to obtain at least temporary... | |
 | Science - 1866 - 658 pages
...the upper surface, yellow instead of reddish brown ; and below, a red spot instead of purplish red. With the blue glasses, which allowed some green and...red or yellow in the leaf had spread so that there remained only a green border or edge. Under the nearly pure violet glasses, the foliage became almost... | |
 | Science - 1866 - 736 pages
...the upper surface, yellow instead of reddish brown ; and below, a red spot instead of purplish red. With the blue glasses, which allowed some green and...red or yellow in the leaf had spread so that there remained only a green border or edge. Under the nearly pure violet glasses, the foliage became almost... | |
 | 1866 - 642 pages
...red spot instead of purplish red. With the blue glasses, which allowed some green and yellow (rays) to pass, that which was red or yellow in the leaf...so that there only remained a green border or edge. He ends this portion of his address thus : ' Thus, by means of coloured glasses, provided they are... | |
 | Biology - 1868 - 770 pages
...the upper surface, yellow instead of reddish brown ; and below, a red spot instead of purplish red. With the blue glasses, which allowed some green and...red or yellow in the leaf had spread so that there remained only a green border or edge. Under the nearly pure violet glasses, the foliage became almost... | |
 | Meteorology, Agricultural - 1905 - 396 pages
...upper surface, yellow instead of reddish brown, end below, a red spot instead instead of purplish red. With the blue glasses, which allowed some green and...foliage became almost uniformly green. Thus, by means of colored glasses, provided they are not yellow, horticulturists may hope to obtain at least temporary... | |
 | United States. Weather Bureau - 1905 - 398 pages
...upper surface, yellow instead of reddish brown, and below, a red spot instead instead of purplish red. With the blue glasses, which allowed some green and...foliage became almost uniformly green. Thus, by means of colored glasses, provided they are not yellow, horticulturists may hope to obtain at least temporary... | |
 | 1866 - 924 pages
...tints of the leaves were all preserved. The red glass rather impeded the development of the leaves, and produced at the base of the limb yellow instead...foliage became almost uniformly green. Thus, by means of colored glasses, provided they are not yellow, horticulturists may hope to obtain at least temporary... | |
 | 1866 - 708 pages
...red spot instead of purplish red. With the blue glasses, which allowed some green and yellow (rays) to pass, that which was red or yellow in the leaf...so that there only remained a green border or edge. He ends this portion of his address thus: 'Thus, by means of coloured glasses, provided they are not... | |
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With the blue glasses, which allowed some green and yellow to pass, that which was red or yellow in the leaf had spread, so that there only remained a green border or edge. Under the nearly pure violet glasses the foliage became almost uniformly green. 