S The Study of Plant Life Marie Carmichael Stopes

The Study of Plant Life

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The Study of Plant Life is by Marie Carmichael Stopes. The text describes a simple experiment in which the reader covers a portion of a leaf growing in the sunlight, leaves the rest exposed, and sees the effect of light and darkness on the starch-building powers of the leaf. The text points to the bell of a foxglove, which has only four stamens bent so that the anthers together form a kind of platform in the front of the flower, over which the bees must pass as they enter.

One experiment uses a jar, a bent tube and a small tube of caustic potash, and the water rising in the tube shows the amount of air which has been absorbed by the growing beans. The text states that air is absorbed by plants in the course of their growth.

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Book facts

Pages
247
Language
English
Formats
PDF, EPUB, Read online