CONTENTS. 



PART I. THE PLANT. 



PAGE 



CHAPTER i. The Seed i 



ii. The Young Plant .... 6 



" in. The Plant and Water . .12 



iv. The Plant and the Soil . . 16 



v. The Plant and the Air ... 20 



vi. Structure and Growth of the Plant . 24 



vn. Naming and Classification of Plants . 29 



PART II. THE SOIL. 



CHAP- vin. Nature and Origin of the Soil . . 31 

 " ix. Tilling and Draining the Soil . . 37 



' x. Improving the Soil .... 42 



PART III. THE CROPS OF THE FIELD. 



CHAP. xi. The Grasses 48 



" xn. The Grain Crops or Cereals . . 52 



XIIL The Leguminous Plants . . -57 



" xiv. Root Crops and Tubers ... 62 



" xv. Various other Crops . . . -67 



xvi. Weeds .... 71 



xvii. Insects of the Field . 74 



" xvin. The Diseases of Plants . 88 



" xix. Rotation of Crops . . 93 



