ILLUSTRATIONS 



Torch-Lily or Flameflower Frontispiece 



PAGE 



Forget-Me-Not 11 



Hermann Mueller 15 



Bladderwort 18 



Common Alder 22 



Bayberry 25 



Gray Birch 26 



Yellow Bireli '27 



American Elm 29 



Cotton-Grass 31 



Fringed Sedge 33 



Herd's-Grass 34 



Quitch-Grass 35 



Purple Amaranth 37 



Roman Wormwood 39 



English Plantain 41 



Red Pine. Staminate cones 42 



Red Pine. Ovulate cones 43 



Balsam-Fir. Staminate cones 44 



Balsam-Fir. Ovulate cones 4.3 



Blue Violet 49 



Pansy 51 



xiii 



