VOLUME XVIII 
NUMBER 5 
SEPTEMBER 1915 
T! BRYOLOGIST 
JOURNAL OF THE 
SULLIVANT MOSS SOCIETY 
Conducted and Published for the Society by 
O. E. JENNINGS, Ph.D., Editor-m-Chief 
Associate Editors 
ABEL JOEL GROUT, Ph.D. 
GEORGE N. BEST, M. D. JOHN M. HOLZINGER, M. S. 
ALEXANDER W. EVANS, Ph.D. LINCOLN W. RIDDLE, Ph.D. 
and the 
Advisory Board Officers of the Society 
CONTENTS 
Notes on North American Hepaticae. VI 
Alexander IV. Evans 80 
Additions to the Lichen Flora of Southern California. II 
H. E. Hasse 92 
Calypogeia arguta from the Faroe Islands 
A. LeRoy Andrews 94 
Dicranum fulvum with Double Setae Elizabeth M. Dunham 95 
Review. — J. Roll, Die Thiiringer Torfmoose und Laubmoose 
1915 A. LeRoy Andrews 95 
Shorter Notes 96 
44 Entered as second-class matter August 21st, 1913. at the Post Office at Pittsburgh, 
Pennsylvania, under the Act of March 3, 1879.” 
Copyright, 1 9 1 5, by Edward B. Chamberlain 
The July number of THE BRYOLOGIST was published September 21. 1915. 
PRESS OF THE INTELLIGENCER PRINTING HOUSE. LANCASTER, PA. 
