VOLUME XXI 
NUMBER 6 
NOVEMBER, 1918 
THE BRY0L0GI8T 
JOURNAL OF THE 
SULLIVANT MOSS SOCIETY 
Conducted and Published for the Society by 
O. E. JENNINGS, Ph.D., Editor-in-chief 
and tbe 
Associate Editors 
ABEL JOEL GROUT, Pb.D. 
GEORGE N. BEST, M.D. JOHN M. HOLZINGER, M S. 
ALEXANDER W. EVANS, Pb.D. LINCOLN W. RIDpi^WrAX 
(* JAN 2 4 1 Qi 9 
CONTENTS .. 

A Reminiscence of the late Dr. Emil Levier 
Wm. Edw. Nicholson 85 
Certain Organic Substances Assimilated by Ceratodon 
purpureus (Short review) O. E. Jennings 86 
Suliivant Moss Society Exchange List of Hepaticae found 
in the United States, Canada, and Arctic America 
Caroline C. Haynes and Alexander IV. Eva?is 8/ 
Notes on Recent Bryological Literature 90 
Exchange Department 96 
Entered as second-class matter August 21st, 1913, at tbe Post Office at Pittsburgh, Pennsylvania, 
under tbe Act of March 3, 1879.'' "Acceptance for mailing at special rate of postage 
provided for in section 1103, Act of October 3, 1917, authorized August 8, 1918 
Copyright, 1918, by Edward B. Chamberlain 
\ 
/ 
The September number of T HE BRYOLOGIST was published December 7, 1918 
PRESS OF THE INTELLIGENCER PRINTING HOUSE, LANCASTER. PA. 
