TABLE OF CONTENTS. 



BEING THE SYSTEM OF CLASSIFICATION ADOPTED IN 

 THE PEESENT VOLUME. 



(The Alc/CE and Fungi re-arranged in co-operation with Dr. E. Knoblauch, the 

 other Divisions as in the 3rd Danish Edition.) 



DIVISION I. THALLOPHYTA ... 4 



A. Sub-Division. Myxomycetes, Slime-Fungi 5 



B. Sub-Division. Algae. ......... 8 



Class 1. SYNGENETKLE 14 



,, 2. DINOFLAGELLATA 16 



,, 3. DIATOMEJE 18 



,, 4. SCHIZOPHYTA 22 



Family 1. Schizophyceos 22 



2. Bacteria 26 



Class 5. CONJUGATE 41 



,, 6. CHLOROPHYCE.E 46 



Family 1. Protocoecoidese 47 



,, 2. Confervoidese ....... 53 



3. Sipboneee 59 



Class 7. CHAEACE.E 64 



,, 8. PH^EOPHYCE^; (OLIVE-BROWN SEVSVEEDS) .... 68 



Family 1. Pba3osporea3 68 



,, 2. Cyclosporese 73 



Class 9. DICTYOTALES 76 



,, 10. RHODOPHYCEJE (RED SEAWEEDS) 77 



Family 1. Bangioidese 77 



,, 2. Florideffi 78 



C. Sub-Division. Fungi 84 



Class 1. PHYCOJIYCETES 96 



Sub-Class 1. Zygomycetes 96 



,, 2. Oomycctes 100 



Family 1. Eutoinophthorales 102 



2. Cbytridiales 102 



,, 3. Mycosiphonales 104 



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