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Causes and conditions for the development
CAUSATION AND EVOLUTION.
So we see the seed has the potency to develop itself into a tree after its own type, c but it has to wait for the proper time—the arrival of the season which might be the rainy one. The season is there but the seed must be planted in the soil with such other natural environment as would allow a reasonable circulation of the sap and chemical action of heat and light and would as be well able to supply the requisitions of the seed.
Again, granted that the time, the external nature, the necessity—all the three are present, the seed, if not planted by some body, does not fall on earth by the virtue of its own exertion and weight, making all the necessary transformations thereby impossible.
Then, again, though the season is there and the seed too has been planted in the desirable soil with favourable environment, yet the seed will not grow into the tree of such and such bulk and configuration for the manifestation of which it has the potency unless there be the concatenation of the causes and conditions which is but
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