CONTENTS 



Preface. 



PAGE 



iii 



CHAPTER I 

 THE STUDY OF PLANTS 



1. Botanical questions • \ 



2. The beginnings of botany 1 



3. Our dependence upon plants i 



4. Human needs and the neerls of plants 2 



5. How plants are named 2 



6. Early plant names 3 



7. Binomial nomenclature 4 



8. Species 4 



9. Varieties 5 



10. The genus 6 



11. The authority 7 



12. Plant families and higher groups 7 



13. The departments of botany 8 



CHAPTER II 

 CEREALS 



14. What cereals are 11 



15. Characteristics of cereals 11 



16. Importance of grains in ancient times 17 



17. Earliest use of grains 20 



18. Oats 25 



19. Barley 25 



20. Rve 25 



21. Maize 25 



22. Rico 25 



23. Wheat 28 



24. Buckwheat 29 



25. The value of cereals 30 



26. Water in grains 30 



27. Ash 30 



28. Nutrients 31 



29. Carbohydrates 31 



30. Protcids 33 



31. Fats 34 



V 



