CON TEN TS. 



Page 



Introduction 397 



I List of The Bryopliyta 402 



I Hepaticæ 402 



II Sphagnalcs 430 



III Musci vcri 434 



II The Bi yophyte Comniuiiities 545 



I Tlie Lowland Formations 546 



The Littoral Bryophyte Vegetation 546 



Hydropliilous Bryophyte Formations 547 



The Brj'ophyte Vegetation of Running Water and of Lakcs.... 548 



The Bryophj'te Vegetation of Inundated Gravelh^ Soli 550 



The Bryophyte Vegetation of Muddy Soil near Sjirings (Dy) . . . 551 



The Bryophyte Vegetation of Boggy Soil 555 



The Bryopliyte \'egetation of Damp Sandy Soil 564 



The Brj'ophyte Vegetation near Hot Springs 565 



Mesophilous Brjophyte Formations 584 



Xeropliilous Bryophyte Formations (Heaths) 588 



The Brj'ophyte Vegetation of tlie Rocks 595 



The Bryophyte Vegetation of the Tuff Rocks 004 



The Bryophyte Vegetation of tlie Lava-fields 612 



II Tlie Bryophj'te Vegetation of Mountain Heights 623 



III The Components of the Bryophyte Flora 629 



IV The Altitudinal Distribution of the Species 635 



V The Horizontal Distribution of the Species 644 



BibliographA' 667 



List of the Species 669 



Errata 676 



