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TABLE OF CONTENTS 



PART III 



PLANT BIOLOGY 



CHAPTEE PAGE 



XX. Typical Flowering Plants ....... 259 



XXI. Other Flowering Plants 323 



XXII. The Simplest Plants 338 



XXIII. The Smallest Plants (Bacteria) ...... 343 



XXIV. Fungi 354 



XXV. Mosses and Their Allies 364 



XXVI. Ferns and Their Allies 369 



XXVII. The Conifers (Gymnosperms) 376 



XXVIII. Peculiarities of Plant Life ....... 389 



Appendix A 405 



Bird Study. 



Appendix B 408 



Sanitary Code of New York. 



Appendix C ...... <> ...» 414 



Cancer. 



