CONTENTS. 



CHAPTER I. 

 iNTBODtJOiioN — The Scope op the Book — Nomenclature . 1 



CHAPTEK n. 



The Diseases of Leouminous Crops — The Parasites of Beans, 



Clover, Lucerne, Peas, Trefoil, and Vetches . . 9 



CHAPTER III. 



The Diseases op Boot Crops — The Parasites of Beetroot, 



Carrots, Manoel, Onions, Parsnips, Potatoes, and Turnips 33 



CHAPTER IV. 



The Diseases op Gramineous Crops — The Parasites op Bar- 

 let, Grasses, Oats, Bice, Bye, and Wheat ... 77 



CHAPTER V. 



The Diseases op Miscellaneous Crops — The Parasites op 

 Asparagus, Cabbages, Celebt, "Cucumbers, Hops, Lettuces, 

 AND Tomatoes 133 



CHAPTER VI. 

 Concluding Remarks — The Microscope and its Accessories . 159 



INDEX 163 



