CONTENTS. 



PART FIRST. 



CHAPTER. VACiE 



I. Introduction ... ... ... ... ... ... ... 1 



II. Vegetative Organs Mycelium ... ... ... ... ... 3 



III. Reproductive Organs Spores ... ... ... ... ... 7 



IV. Spermogonia and Spermatia ... ... ... ... ... 13 



V. Aecidia and Aecidiospores ... ... ... ... ... 16 



VI. Uredospores ... ... ... 19 



VII. Teleutospores ... ... ... ... ... ... ... 23 



VIII. Mesospores and Amphispores ... ... ... ... ... 25 



IX. Sporidiola or Promycelial Spores ... ... ... ... 27 



X. Paraphyses and their Function ... ... ... ... ... 29 



XI. Origin of the Principal Spore-forms ... ... ... ... 31 



XII. Rusts in their relation to other Fungi ... ... ... ... 40 



XIII. Indigenous and Introduced Species ... ... ... ... 42 



XIV. Indigenous Species with their Hosts ... ... ... ... 45 



XV. Australian Distribution ... ... ... ... ... ... 50 



XVI. Origin and Specialisation of Parasitism ... ... ... ... 52 



XVII. Heteroecism and its Origin ... ... ... ... ... 55 



XVIII. Predisposition ... ... ... ... ... ... ... 60 



XIX. The present position of the Rust in Wheat question in Australia ... 64 



PART SECOND. 



XX. Classification with special reference to Biologic forms ... ... 79 



XXI. Systematic Arrangement and Technical Descriptions 



Uromyces ... ... ... ... ... ... ... 84 



Uromycladium ... ... ... ... ... .. 104 



Puccinia ... ... ... ... ... ... ... 112 



Phragmidium ... .. ... ... ... ... 185 



Cronartium ... ... ... ... ... ... 189 



Melampsora ... ... ... ... .. 191 



Caeoma ... ... ... ... ... ... .. 193 



Aecidium ... ... ... ... ... ... ... 194 



Uredo 202 



Excluded or Doubtful Species ... ... ... ... 207 



Glossary of the principal scienti lie terms used ... ... ... 211 



Literature consulted ... ... ... ... ... ... 213 



Explanation of Plates ... ... ... ... ... 222 



Host Index with Rusts ... ... ... ... ... 329 



Fungus Index with Sy 110113-1118 and Hosts .. ... .. 337 



General Index . ... 343 



