XIV CONTENTS 



PART VII. 



FUNGI, OONSIDEKED CHIEFLY IN RELATION TO SOME 



COMMON DISEASES OF PLANTS. 



PAGE 

 CHAPTER 



XLVI. Fungi: General . . • \ . ' 



Hypha and mycelium, 677; Reproduction, 679; Germination of 

 spores, 682; Mode of Life; saprophytesand parasites, 683 ; General 

 advice to be followed when dealing with plant diseases, 686. 



XLVI I. Fungi {continued) Phycomycetes . . .688 



Eumycetes, 688 ; Phycomycetes (sub-class i. Zygomycetes), 689. 



XLVIII. Fungi (continued) Phycomycetes . . .692 



Phycomycetes (sub-class ii. Oomycetes), 692 ; Damping-off, 693 ; 

 Potato diseases, 698. 



XLIX. Fungi (^o»A««^^ Basidiomycetes . . 715 



' Smut ' of Oats, 716 ; ' Smuts ' of wheat, barley and rye, 718 ; 

 Bunt of wheat, 723 ; Rust and mildew of wheat, 726 ; Other species 

 of Rusts, 735 ; The common mushroom, 740. 



L. Fungi {continued) AscOMYCETES . . . 745 



Yeasts, 746 ; Mildews, 748 ; Ergot, 758. 



LI. 'Clue-root' Disease . . . .763 



PART VIII. 



BACTERIA. 



LII. Bacteria: their morphology and reproduc- 

 tion ...... 769 



Forms of Bacteria, 769 ; Vegetative reproduction, 770 ; Reproduc- 

 tion by means of spores, 771 ; Conditions affecting development, 

 774 ; Sterilisation and pasteurisation, 776. 



LIII. Bacteria: their work . . . 779 



Lactic fermentations, 780 ; Butyric fermentations, 782 ; Acetic 

 fermentations, 784 ; Fermentation of cellulose, 785 ; Fermentation 

 of urea, 786; Putrefaction, 7B7 ; Nitrification, 789 ; Denitrification, 

 792 ; Fixation of free nitrogen, 793 ; Bacteria and diseases of 

 animals, 803 ; Diseases of plants caused by bacteria, 805 ; Black 

 rot of cabbages, 806. 



