CONTENTS. 



Xlll 



SECTION 



XXXV. Terminology. Spores. Gonidia, &c. 

 XXXVI. Review of the chief groups of Fungi 



CHAPTER V. COMPARATIVE REVIEW OF THE SEVERAL GROUPS. 



Peronosporeae. 

 XXXVII 132 



Ancylisteae. 



XXXVIII. 



Monoblepharis. 



XXXIX. 



Saprolegnieae. 



XL. 



139 



140 



141 



Mucorini. 

 XLI. General course of development ........ 145 



XLII. Zygospores. (a) Mucoreae and Chaetocladieae. (b} Piptocephalideae 



Azygospores . . 147 



XLIII. Typical gonidiophores. Mucoreae. Chaetocladieae. Piptocephalis 



and Syncephalis 151 



XLIV. Accessory gonidia. Acrogonidia (chlamydospores, stylospores). 



Choanephora. Gemmae. Serial gemmae, sprout-gemmae . . 154 

 Doubtful Mucorini. Historical remarks. Literature . . .156 



Entomophthoreae. 



XLV. 



158 



XLVI. 



XLVII. 



XLVI 1 1. 



XLIX. 



L. 



LI. 



LII. 



LIII. 



LIV. 



LV. 



LVI. 



LVII. 



LVIII. 



Chytridieae. 



Common characteristics of the present group of Chytridieae. Spor- 

 angia. Resting spores .160 



Rhizidieae. Polyphagus. Less well known forms . 162 



Cladochytrieae 165 



Olpidieae 166 



Synchytrieae 167 



Comparative review 169 



Doubtful Chytridieae. Tetrachytrium. Hapalocystis . . .170 

 Literature -171 



Protomyces and Ustilagineae. 



Protomyces 



Ustilagineae. Conformation. Compound sporophore 



Development of resting spores 



Structure and germination of resting spores 

 Gonidia of Tuburcinia and Entyloma 

 Course of development and homologies 



171 



172 



174 



176 

 179 

 1 80 



