 ... juice of the plant, formed by the exposure of the sap to the light and air in the leaf, and returned from it by the vessels that pass down from the leaf into the interior bark, by which it is deposited, and we may add elaborated by the action of the...  Lectures on the Elements of Botany - Página 350por Anthony Todd Thomson - 1822 - 688 páginasVista completa - Acerca de este libro
 | Thomas Nuttall - 1827 - 408 páginas
...and we may add elaborated by the action of the vital principle inherent in this part of the plant. To determine this point, he removed narrow circles...but when no leaf was left " on similar portions of insulated bark, on other branches of the same age, no apparent increase in the size of the wood was... | |
 | Thomas Nuttall - 1827 - 412 páginas
...and we may add elaborated by the action of the vital principle inherent in this part of the plant. To determine this point, he removed narrow circles...the tree ; but when no leaf was left " on similar 23 portions of insulated bark, on other branches of the same age, no apparent increase in the size... | |
 | Thomas Nuttall - 1830 - 414 páginas
...and we may add elaborated, by the action of the vital principle inherent in this part of the plant. To determine this point, he removed narrow circles...but when no leaf was left " on similar portions of insulated bark, on other branches of the same age, no apparent increase in the size of the wood was... | |
 | Thomas Nuttall - 1830 - 408 páginas
...and we may add elaborated, by the action of the vital principle inherent in this part of the plant. To determine this point, he removed narrow circles...during the autumn," he found that the diameter of the shoet between the insertion of the leafstalk and the lower incision was as much increased as in any... | |
 | Daniel Jay Browne - 1832 - 426 páginas
...inherent in this part of the plant. To determine this point, he removed narrow circles of bark from roots of apple trees, " leaving a leaf between the places...diameter of the shoot between the insertion of the leaf stalk and the lower incision, was as much increased as in any other part of the tree ; but when... | |
 | Daniel Jay Browne - 1832 - 410 páginas
...inherent in this part of the plant. To determine this point, he removed narrow circles of bark from roots of apple trees, " leaving a leaf between the places...examining them frequently during ^the autumn," he found thal the diameter of the shoot between the insertion of the leaf stalk and the lower incision, was... | |
 | Thomas Andrew Knight - 1841 - 410 páginas
...incisions through the bark of each, as in the preceding instances ; and I removed the bark in two places, leaving a leaf between the places where the bark was taken off. Examining them frequently during the autumn, I found that the insulated leaf acted just as the lateral... | |
 | Thomas Andrew Knight - 1841 - 406 páginas
...incisions through the bark of each, as in the preceding instances ; and I removed the bark in two places, leaving a leaf between the places -where the bark was taken off. Examining them frequently during the autumn, I found that the insulated leaf acted just as the lateral... | |
 | Royal Society (Great Britain) - 1801 - 572 páginas
...incisions through the bark of each, as in the preceding instances ; and I removed the bark in two places, leaving a leaf between the places where the bark was taken off. Examining them frequently during the autumn, I found that the insulated leaf acted just as the lateral... | |
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