The Bryologist 
Bimonthly Journal of 
THE SULLIVANT MOSS SOCIETY 
DEVOTED MAINLY TO THE STUDY OF NORTH AMERICAN MOSSES, 
HEPATICS, AND LICHENS 
Subscription in the United States, $1.25 per year; in all 
other countries, $1.35. Society membership, 25 cents addi- 
tional. Single copies, 25 cents. Vols. I-XX, 1898-1917, $20.25. 
TEN YEAR INDEX, fi.oo 
Checks, except New York City, MUST contain io cents extra for collection 
fee. Manuscripts should be sent to Dr. O. E. Jennings, Carnegie Museum, 
Pittsburgh, Pennsylvania. Forms close on the first of the month prior to that 
of publication. Subscriptions and advertisements should be sent to Dr. O. E. 
Jennings, Carnegie Museum, Pittsburgh, Pennsylvania, or to Mr. Edward B. 
Chamberlain, 18 West 89th Street, New York City. 
ADVISORY BOARD 
Officers of the Sullivant Moss Society 
President — Mrs. Elizabeth G. Britton, New York Botanical Garden 
New York City. 
Vice-President — -Mrs. Annie Morrill Smith ... 78 Orange Street 
Brooklyn , N. Y. 
Secretary -Treasurer — Mr. E. B. Chamberlain . . 18 W. 89th Street 
New York City . 
Curators 0} Herbaria — Mr. George B. Kaiser, Mosses , 232 West Mt. 
Pleasant Avenue, Mount Airy, Pa. ; Miss C. C. Haynes, Hepatics , 
pro tem Highlands, N. J . ; Mr. C. C. Plitt, Lichens , 3933 
Lowndes Ave., Baltimore, Md. 
AH material for identification should be sent to the respective curators, also all 
correspondence relating to the Exchange Department. 
