  INTRODUCTORY CHAPTER PLANTS AND OUR DAILY NEEDS CHAPTER II PLANT BEHAVIOR 1 Light and Its Importance To the Plant CHAPTER III HOW PLANTS PRODUCE THEIR YOUNG CHAPTER IV THE FAMILIES OF FLOWERING PLANTS AND THEIR RELATIONSHIP CHAPTER V USES OF PLANTS TO MAN CHAPTER VII HISTORY OF THE PLANT KINGDOM 1 Dawn of Plant Life CHAPTER VIII DISTRIBUTION OF PLANTS
The prickly pear (Opuntia chlorotica santarita) of the desert in the American Southwest. (This painting was kindly loaned by Dr. David Griffiths of the United States Department of Agriculture and reprinted here through the courtesy of the Journal of the International Garden Club, where it first appeared.) Courtesy Journal of the International Garden Club The prickly pear (Opuntia chlorotica santarita) of the desert in the American Southwest. Popular Science Library EDITOR-IN-CHIEF BOTANYThe Science of Plant Life |
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