North American species of Mycena.

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CONTENTS

SUBGENUS EUMYCENA..................
Key to Sections....................
Section Cyanescentes.................
Section Corticolae..................
Section Deminutivae.................
Subsection Albidae................
Subsection Subincarnatae.............
Subsection Fuscae.................
Subsection Aciculae................
Subsection Cinereae...............
Section Lactipedes..................
Section Adonidae...................
Subsection Albidae.................
Subsection Euadonidae..............
Subsection Ianthinae...............
Section Calodontes..................
Subsection Granulatae...............
Subsection Ciliatae................
Section Typicae....................
Species of Uncertain Position...........
Fragile Terrestrial Species............
Species with More or Less Roughened Cystidia;
ious.......................
Stipe Long; Cystidia Typically Smooth.....
Stipe Long; Cheilocystida Roughened......
Stipe and Cap Intermediate in size........

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288
293
298

Typically Lignicolous Species with Elongated Cystidia. 301
Typically Lignicolous Species; Cystidia Not Greatly
Elongated.........................314
Section Omphaliariae...................... 356
Section Floccipes........................ 379
Section Corticatae....................... 385
Section Hydropus..................... 390
SUBGENUS GLUTINIPES...................... 401
Section Diversiformes................... 403
Section Caespitosae...................... 406
Section Viscosae....................... 418
Section Fuliginellae..................... 429