 | Geology - 1860 - 364 pages
...become much paler and shrivelled, the leaves to have become dry and yellow at the tips, and to hang down languidly. In the Laburnum, the apices of the leaves...subjected to the influence of a narcotic gas, the colour, it was observed, never became altered, and the plants looked as green and succulent at the... | |
 | Science - 1861 - 338 pages
...cblorine, sulphuretted hydrogen, ammonia, nitrous oxide, car• bonic oxide, and coal gas, remarks, — " It will be evident from the preceding experiments,...subjected to the influence of a narcotic gas, the colour, it was observed, never became altered, and the plants looked as green and succulent at the... | |
 | Industrial arts - 1862 - 448 pages
...experiments that gases divide themselves into two classes as regards their action on plants, namely, into narcotic and irritant gases. (This distinction,...droop, though removed to a forcing-bed and watered, in no instance did it recover, but died down even more speedily than it would have done if left to... | |
 | Industrial arts - 1862 - 446 pages
...experiments that gases divide themselves into two classes as regards their action on plants, namely, into narcotic and irritant gases. This distinction,...droop, though removed to a forcing-bed and watered, in no instance did it recover, but died down even more speedily than it would have done if left to... | |
 | 1862 - 476 pages
...experiments that gases divide themselves into two classes as regards their action on plants, namely, into narcotic and irritant gases. This distinction,...and succulent at the end of the experiment as at the beginmng. Whenever the plant began to droop, though removed to a forcing-bed and watered, in no instance... | |
 | Industrial arts - 1865 - 458 pages
...experiments that gases divide themselves into two classes as regards their action on plants, namely, into narcotic and irritant gases. This distinction,...and succulent at the end of the experiment as at the beginmng. Whenever the plant began to droop, though removed to a forcing-bed and watered, m no instance... | |
 | Botanical Society of Edinburgh - Botany - 1860 - 504 pages
...become much paler and shrivelled, the leaves to have become dry and yellow at the tips, and to hang down languidly. In the Laburnum, the apices of the leaves...subjected to the influence of a narcotic gas, the colour, it was observed, never became altered, and the plants looked as green and succulent at the... | |
 | Botanical Society of Edinburgh - Botany - 1858 - 740 pages
...case of plants as in that of animals. When subjected to the influence of a narcotic gas, the colour, it was observed, never became altered, and the plants...droop, though removed to a forcing-bed, and watered, in no instance did it recover, but died down even more speedily than it would have done if left to... | |
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When subjected to the influence of a narcotic gas, the color, it was observed, never became altered, and the plants looked as green and succulent at the end of the experiment as at the beginning. Whenever the plant began to droop, though removed to a... 