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Updated: June 1, 2025
We thank the wits of the Athenaeum for these piquancies: they are in the right true Attic vein, and are therefore characteristic of that clever Journal. Why have vegetables the function of transpiration? Because the sap, on arriving in the leaves, loses and gives out the superabundant quantity of water which it contained.
And then there is such a Sisyphus-effort visible in dragging them aloft so far: and the nimble wicked Voltaire so seizes his moment, trips poor Sisyphus; and sends him down, heels-over-head, in a torrent of roaring debris! 'From gradual transpiration of our vital force comes Death; which perhaps, by precautions, might be indefinitely retarded, says Maupertuis.
The former takes place in an atmosphere saturated with moisture, it is influenced by light, by an equable temperature, while evaporation ceases in a saturated atmosphere. M. Leclerc has very carefully examined this question, and he concludes that transpiration is only the simple evaporation of water.
If the puppies are numerous, and confined in close situations, the effluvia of their transpiration and faecal discharges will often be productive of mange very difficult to be removed. Close confinement, salted food, and little exercise, are frequent causes of mange. 'The Scabby Mange' is a frequent form which this disease assumes.
It is true that these trees, planted as most of them are at such distances as to admit of cultivation, or of the growth of grass among them, are but an inadequate substitute for the thick and shady wood; but they perform to a certain extent the same offices of absorption and transpiration, they shade the surface of the ground, they serve to break the force of the wind, and on many a steep declivity, many a bleak and barren hillside, the chestnut binds the soil together with its roots, and prevents tons of earth and gravel from washing down upon the fields and the gardens.
The genus Cuscuta embraces more than eighty species, which are distributed throughout the entire world, but which are not so abundant in cold as in warm regions. La Nature. It is commonly said that there is a great difference between the transpiration and evaporation of water in plants.
Faintly visible to the discerning eye, it was also audible to the attentive ear, listening as one listens at the edge of a field in the night time to hear the growing of the corn. If all the millions of leaves had ceased their transpiration, if this flow of life had been shut off, as the organist pushes in the tremolo stop, the sound of the summer would not have been the same.
They shelter the ground against solar irradiation and maintain a greater humidity. They produce a cutaneous transpiration by the leaves. They multiply, by the expansion of their branches, the surfaces which are cooled by radiation.
It is intact, therefore; it is free of any perforation, which would be forthwith revealed under the water by an escape of gas. And so, under the Anthrax' cupping glass, the oily bottle has been drained by a simple transpiration through the membrane; the substance of the nurse grub has been transfused into the body of the nursling by a process akin to that known in physics as endosmosis.
While in full leaf a current of water is constantly flowing through it, and flowing upward against gravity. This stream of water is truly its life current; it enters at the rootlets under the ground and escapes at the top through the leaves by a process called transpiration.
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