Preface -- What are lichens -- How to make chemical tests -- How to collect and study lichens -- How to use the pictured key -- General references -- Pictured key to the foliose and fruticose lichens -- List of synonyms and incorrect names -- Phylogentic list of genera and families -- Acknowledgments for illustration -- index and pictured glossary.
Preface -- About mosses and liverworts -- Classification -- How to study bryophytes -- General references -- How to use the keys -- Pictured-key to the bryophytes of North America -- Musci, the mosses -- Class I. anthrocerotae, the hornworts -- Class II. Hepaticae, the liverworts -- List of synonyms -- Index and pictured-glossary.