xvi CONTENTS. 



DIVISION III. MODE OF LIFE OF FUNGI. 



CHAPTER VI. Phenomena of Germination. 

 1. Capacity of germination and power of resistance in Spores. 



SECTION PAGE 



XCV. Duration of capacity of germination in spores. Resting state. 

 Power of resistance to mechanical injuries, withdrawal of water, 

 extreme temperatures 343 



2. External conditions of germination. 

 XCVI 349 



CHAPTER VII. Phenomena of Vegetation. 



1. General conditions and phenomena. 



XCVI I. Conditions affecting growth. Temperature 352 



XCVIII. Nutrient substances. Other chemical constituents of the substratum. 

 Effects of Fungi on the bubstratum. Fermentations, oxidations. 

 Ferment-excretion 353 



2. Nutritive adaptation. 



XCIX. Distinction of I. pure saprophytes, 2. facultative parasites, 3. obligate 



parasites either a, strictly obligate, or b, facultative saprophytes . 356 



3. Saprophytes. 

 c 357 



4. Parasites. 



CI. Adaptation between parasite and host. Predisposition of host. Endo- 

 phytic and epiphytic parasites 358 



CII. Attack of parasite on host 360 



CI 1 1. Growth of parasite after it has seized on the host and reactions of the 



host on the parasite. Destroying and transforming parasites . . 366 



Parasites on Animals. 



CIV. Facultatively parasitic Aspergilli and Mucoreae; obligately parasitic 



Entomophthoreae, Laboulbenieae, Cordyceps, Botrytis Bassii . . 369 



CV. Imperfectly known parasites on animals : Saprolegnieae . . . 375 



CVI. Fungi of skin-diseases 376 



CVII. Actinomyces. ' Chionyphe Carteri ' 377 



I'ARASITES ON PLANTS. 



a. facultative parasites. 



CVI II. Fungi of rotting fruit. Sclerotinieae. Pythieae. Nectriae. Hartig's wood- 

 destroying Hymenomycetes 379 



