VOLUME XX 



NUMBER 6 





NOVEMBER, 1917 









1 BRY0L0G18T 



JOURNAL OF THE 



SULLIVANT MOSS SOCIETY 



Conducted and Published for the Society by 

 O. E. JENNINGS, Ph.D., Editor-in-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 



The Rhacomitriums of Western North America T. C. Frye gr 

 Unusual Habitats Elizabeth M. Dunham 98 



Lichens of the Mt. Monadnock Region, N. H.— No. 9. 



Thomas Durfee gg 



Pterygophyllum acuminatum at Ohio Pyle, Pennsylvania 



0. E. Jennings 100 



Reviews E. B. Chamberlain 100 



Miscellaneous Notes loi 

 Sullivan t Moss Society Election 102 

 Exchange Department 102 



"Entered as second-class matter August 21st, 1913, at the Post Office at Pittsburgh, 

 Pennsylvania, under the Act of March 3, 1879." 

 Copyright, 1917, by Edward B. Chamberlain 



The September number of THE BRYOLOGIST was published October 13. 1917. 



PRESS OF THE INTELLIGENCER PRINTING HOUSE. LANCASTER. PA. 



