CONTENT^. 



CHAPTER I. 



P1S8 



Intbodtictiok — The Scope of the Book — Nomenclatitee . 1 



CHAPTER n. 



The Diseases of Leguminous Ceops — The Pabasites of Beans, 



Clover, Lucebne, Peas, Tbefoil, and Vetches . . 9 



CHAPTER III. 



The Diseases of Root Cbops — The Parasites of Beeteoot, 



Caerots, Mangel, Onions, Pabsnips, Potatoes, and Turnips 33 



CHAPTER IT. 



The Diseases of Geamineous Cbops — The Parasites of Bar- 

 ley, Grasses, Oats, Rice, Rte, and Wheat . . 77 



CHAPTER T. 



The Diseases of Miscellaneous Crops — The Parasites of 

 Asparagus, Cabbages, Celery, Cucumbers, Hops, Lettuces, 

 and Tomatoes 133 



CHAPTER TL 

 Concluding Eemaeks — The Microscope and its Accessories . 159 



INDEX 163 



