. Nature-study; a manual for teachers and students. Nature study. 34° NATURE-STUDY by simply laying a pot of young plants on its side. Grain that has been blown down or lodged in the fields will often, if not too ripe, grow upward again. Plants generally turn toward the light. Set a box of seed- lings in the window. In a very short time, if the light is strong, the plants will all be bending toward the light. Turn. Fig. 137. Plants Turning Toward the Light. (Squash seedlings.) the box around and see how long it is before the plants have again bent toward the hght. Most plants hold their leaves
. Nature-study; a manual for teachers and students. Nature study. 34° NATURE-STUDY by simply laying a pot of young plants on its side. Grain that has been blown down or lodged in the fields will often, if not too ripe, grow upward again. Plants generally turn toward the light. Set a box of seed- lings in the window. In a very short time, if the light is strong, the plants will all be bending toward the light. Turn. Fig. 137. Plants Turning Toward the Light. (Squash seedlings.) the box around and see how long it is before the plants have again bent toward the hght. Most plants hold their leaves toward the light and tend to grow in that direction. Notice this in the geraniums, nasturtiums, and other window plants. Why do people turn their window plants around occasionally? The sunflower has apparently a special fondness for the sun. Observe the top of a young plant outdoors at dif- ferent times in the day, and see how the head follows the sun in its course. Visit the edge of a grove or forest. Note how the outer. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Holtz, Frederick Leopold, 1870-. New York, C. Scribner's Sons
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