Abstract
I HAVE in my possession a sprig of Bryophyllum calycinum which was cut off a plant in Jamaica six months ago, at the beginning of June. It has still attached to it three leaves, which are quite green, and at the edges of these there are minute new shoots projecting from the crenations. Only a fortnight ago a leaf plucked from it showed its vitality by giving rise to a new shoot when placed on some soil in a pot. This shoot is growing well under a glass in a warm room. During all these months this small sprig has been lying about in different rooms, without any supply of soil or moisture.
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KIDD, W. Vitality of Leaves. Nature 79, 160 (1908). https://doi.org/10.1038/079160b0
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DOI: https://doi.org/10.1038/079160b0
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