ILLUSTRATIONS 



Torcli-Lily or Flanieflower Frontispiece 



FIGUHK PAGE 



1. Forget-Me-Not 11 



^. Hermann Mueller 15 



3. Bladderwort 18 



4. Common Alder 2 '2 



5. Bayherry 25 



(). Gray Birch 2(> 



7. Yellow Birch 27 



8. American Elm 29 



9. Cotton-Grass 31 



10. Fringed Sedge 33 



11. Herd's-Grass 34 



12. Quitch-Grass 35 



13. Purple Amaranth 37 



14. Roman Wormwood 39 



15. English Plantain 41 



1(5. Red Pine. Staminate cones 42 



17. Red Pine. Ovulate cones 43 



18. Balsam-Fir. Staminate cones 44 



19. Balsam-Fir. Ovulate cones 45 



20. Blue Violet 49 



21. Pansy 51 



xiii 



