Summary

The Ohio naturalist, Vol. 1, No… (1900)

In no case do we think it admissible to say that the adaptation is primarily for the purpose of propagation, although this may be a very important incidental result in such plants as the willows when growing in wet places. In the case of Ampelopsis cordata, the only reasonable explanation seems to be a preparation for the winter condition, since the branches which are shed do not ripen and the plant has an admirable method for shedding its leaves. The slender branches would be in great danger of being killed by the cold of winter.
Source: Gutenberg

The Ohio naturalist, Vol. 1, No… (1900)

In a dense forest of growing trees the smaller, side branches of the main stem, as well as those of the larger branches, are continually dying off. But the tree rids itself of these dead branches by forming a collar of tissue from the cambium layer around the base of the branch, which presses more tightly as layer after layer of living wood is added, until the branch finally falls off and the hole which is left is grown over in a short time. This process is known as natural pruning.
Source: Gutenberg

The Ohio naturalist, Vol. 1, No… (1900)

The Quercus acuminata is very abundant in central Ohio and is of common occurrence in many parts of the State. It is rare that the “flakiness” of the bark or a tendency to separate in plates, is pronounced or conspicuous in our Chestnut Oak trees. The single good example I have found is here shown in Fig. 1 reproduced from a photograph of a specimen growing in Hayden’s ravine near Columbus. Both trees shown are the same species but the smaller one has merely furrowed, not flaky, bark, and it is a fair representative of the trunks of this Oak as they occur in our vicinity.
Source: Gutenberg

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