TABLE OF CONTENTS. 



FIRST PART. FUNGI. 



DIVISION I. GENERAL MORPHOLOGY. 



CHAPTER I. Histological Characteristics. 



SECTION TAGE 



I. General construction. Hyphae. Growth-forms : Filamentous Fungi, 



Fungus-bodies, Sprouting Fungi (Chytridieae, Laboulbenieae) . . I 



II. Structure of Fungus-cells : Protoplasm, Cell-nuclei, Cell-contents . . 5 



III. Cell-membrane: Structure, Material composition, Excretion of calcium 



oxalate 8 



Remarks. Literature 1 1 



CHAPTER II. Differentiation of the Thallus. 



1. General Survey. 



IV. Mycelium and sporophore - . 17 



2. Mycelium. 



V. Mycelia. Filamentous mycelium. Haustoria 18 



VI. Mycelial membranes 21 



VII. Mycelial strands (Rhizomorphae, Agaricus melleus) 22 



VIII. Sclerotia : Structure, origin, germination 30 



Details. Historical remarks 4° 



IX. Sclerotioid bodies : Transitory resting states : Xyloma .... 42 



Literature 43 



3. Sporophore. 



X. General characteristics 45 



XL Simple sporophores . 46 



XII. Compound sporophores. General differentiation. Course of growth . . 48 



XIII. Structure of mature compound sporophore 57 



CHAPTER III. Spores of Fungi. 



XIV. Introduction. General characteristics and distinctions .... 59 



I. Development and Scattering of Spores. 



XV. General phenomena of development 6c 



XVI. Intercalary and acrogenous spore-formation. Basidia. Sterigmata . . 61 



