The natural history of plants, their forms, growth, reproduction, and distribution; . ngleascending stream. Such a current actually exists in all living plants which evaporate from theportions above the ground and in contact with the air, while their lower extremitiesare embedded in a damp nutritious soil. This has been termed the TranspirationCurrent Its source is the fluid which has been drawn from the earth by theabsorptive cells and brought within the sphere of the living cells of the plant; wemay retain for this fluid the old and very appropriate name crude or raw direction and de
The natural history of plants, their forms, growth, reproduction, and distribution; . ngleascending stream. Such a current actually exists in all living plants which evaporate from theportions above the ground and in contact with the air, while their lower extremitiesare embedded in a damp nutritious soil. This has been termed the TranspirationCurrent Its source is the fluid which has been drawn from the earth by theabsorptive cells and brought within the sphere of the living cells of the plant; wemay retain for this fluid the old and very appropriate name crude or raw direction and destination are determined by the position of the evaporating cells,and its path is through the wood, which in tree-trunks is inserted as a huge layerbetween the bark and the pith; in lesser stems it passes through the bundles andstrands of woody cells and vessels which traverse them, being connected, deep underthe ground, by groups of parenchymatous cells, with the absorptive cells of theyoung rootlets, or with the hyphge of the mycelial mantle, which replace the TRANSPIRATION. 275.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbotany, bookyear1902
