. Manuel d'étude de la nature pour les enseignants et les parents, en fonction de la nature de l'étude de Cornell de dépliants. L'étude de la nature. Cultivated-Plant 623 Étude 7. Vous pouvez voir le début de l'affaire des graines lorsque la stigmatisation se présente pour recevoir le pollen ? 8. Le projet au-delà des feuilles. Est-ce que les semences de maturation- cas faire cela ? Ce qu'il advient de leurs tiges pour les retirer être- hind la feuille ? 9. Un croquis de la feuille de Capucine, et expliquer pourquoi il est comme un bouclier. Comment le regard quand la feuille sous l'eau ? 10. Quelle sorte de tige a le nas- turtium ? Comment gère-t-elle à monter le treillis ? S'il n'a pas de treillis pour grimper, doe

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. Handbook of nature-study for teachers and parents, based on the Cornell nature-study leaflets. Nature study. Cultivated-Plant Study 623 7. Can you see the beginning of the seed-case when the stigma arises to receive the pollen? 8. The flowers project beyond the leaves. Do the ripening seed- cases do this? What happens to their stems to withdraw them be- hind the leaf? 9. Sketch a nasturtium leaf, and explain why it is like a shield. How does the leaf look when under water? 10. What sort of stem has the nas- turtium? How does it manage to climb the trellis ? If it has no trellis to climb, does it lie flat upon the ground? THE BEE-LARKSPUR Teacher's Story This common flower of our gardens, send- ing up from a mass of dark, deeply-cut leaves tall racemes of purple or blue flowers, has a very interesting story to tell those who watch it day by day and get acquainted with it and its insects guests. The brilliant color of the flowers is due to the sepals, which are purple or blue, in varying shades; but as if to show that they are sepals instead of petals, each has on the back side near its tip, a green thick- ened spot. If we glance up the flower stalk, we can see that, in the upper buds, the sepals are green, but in the lower buds they begin to show the blue color; and in a bud just ready to open, we can see that the blue sepals are each tipped with a green knob, and this remains green after the sepals expand. The upper and rearmost sepal is prolonged into a spur, which forms the outside covering of the nectar-spur; it is greenish and wrinkled like a long-wristed, suede glove; two sepals spread wide at the sides and two more below. All this expanse of blue sepals is simply for a background for the petals, which, by their contrasting color, show the bees where to probe for nectar. Such inconsequen- tial petals as they are! Two of them "hold hands" to make an arch over the entrance to the nectar tube; and just below these on each side are two more tiny, fuzzy,

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