Abstract
DURING the recent thunderstorms a large elm-tree was struck by lightning in a private park at Dulwich, but the only visible effects were linear interrupted grooves about ¾ inch deep, extending down one side of the tree to the ground, where two or three depressions some 3 inches deep were found. The bark is scooped out as clearly as if done with a gouge, and the intervals are from 1 to 2 feet in length, while the grooves themselves are from 1 to 3 feet in length. The grooves are now filled with mildew, which, I take it, indicates the death of the adjacent bark. I have often seen trees which have been struck by lightning, but none in which the effects have at all resembled those I have described.
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GUBB, A. Curious Effects of Lightning on a Tree. Nature 40, 203 (1889). https://doi.org/10.1038/040203b0
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DOI: https://doi.org/10.1038/040203b0
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