. Handbook of nature-study for teachers and parents, based on the Cornell nature-study leaflets. Nature study. 764 Handbook oj Nature-Study. Horse-chestnuts, the coin of the small boy. Photo by 0. L. Foster. 3. Take a single flower; describe the form of the calyx. Is it smooth or downy ? Are the lobes all the same size ? Are the petals all alike in size and shape ? What gives them the appearance of Japanese paper ? Are any connected together ? Are they all splashed with color alike ? 4. How many stamens are there? Where do you see them? What color are the anthers? Search the center of a flower
. Handbook of nature-study for teachers and parents, based on the Cornell nature-study leaflets. Nature study. 764 Handbook oj Nature-Study. Horse-chestnuts, the coin of the small boy. Photo by 0. L. Foster. 3. Take a single flower; describe the form of the calyx. Is it smooth or downy ? Are the lobes all the same size ? Are the petals all alike in size and shape ? What gives them the appearance of Japanese paper ? Are any connected together ? Are they all splashed with color alike ? 4. How many stamens are there? Where do you see them? What color are the anthers? Search the center of a flower for a pistil with its green style. Do j'ou find one in every flower? Could a bee reach the nectar at the base of the blossom without touching the stigma ? Could she withdraw without dusting herself with pollen? 5. How long after the blossom does the young fruit appear ? How does it look? How many nuts are developed from each cluster of blossoms? What is the shape of the bur? Into how many parts does it open? De- scribe the outside; the inside. Describe the shape of the nuts, their color and markings. Which make the best "conquerers," those which grow single in the bur or as twins ? Open a nut. Can you find any division in the kernel? Is it good to eat? Horse-chestnut Twigs and Leaves in Spring—6. Are the buds on the twigs nearly all the same size ? Where are the larger ones situated ? What is the color of the buds ? How are the scales arranged on them ? Are they shiny or dull ? What do the scales enfold ? Can you tell without opening them which buds contain flowers and which ones leaves? 7. Describe the scars below the buds. What caused them? What marks are on them? What made the "nails" in the horseshoe? Has the twig other scars? How do the ring-marks show the age of the twig? Do you see the little, light colored dots scattered over the bark of the twig? What are they ? 8. Describe how the leaf unfolds from the bud. What is the shape of the leaf ? Do all
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