XVI Handbook of Nature-Study 



Page 



The Fruiting of the Fern 693 



The Field Horsetail 699 



The Hair-cap Tvloss, or Pigeon Wheat 702 



Mushrooms and other Fungi 7o6 



Puffballs 712 



The Bracket Fungi 7i4 



Hedgehog Fungi 7^7 



The Scarlet Saucer 7^8 



The Morels 7^9 



The Stinkhorns 720 



Molds 720 



Bacteria 723 



IV Tree Study 



How a Tree Grows 726 



How to Begin Tree Study 73i 



How to Make Leaf Prints 734 



The Maples 736 



The American Elm 745 



TheOak 748 



The Shagbark Hickory 755 



The Chestnut 757 



The Horse-Chestnut 76i 



The Willows 765 



The Cottonwood or Carolina Poplar 770 



The White Ash 774 



TheAppleTree 778 



How an Apple Grows 782 



The Apple 785 



The Pine 789 



The Norway Spruce 796 



The Hemlock 801 



The Flowering Dogwood 803 



The Staghorn Sumac 806 



The Witch-Hazel 810 



The Mountain Laurel ^^3 



PART IV 



Earth and Sky 



The Brook ^^^ 



How a Brook Drops its Load 822 



Crystal Growth 825 



Salt 827 



How to Study Minerals 828 



Quartz ' 829 



Feldspar ^3i 



Mica ^32 



Granite ^33 



Calcite, marble and Limestone 835 



The Magnet ^38 



The Soil ^42 



