Dodora 
JOURNAL OF THE 
NEW ENGLAND BOTANICAL CLUB 
Conducted and published for the Club, by 
BENJAMIN LINCOLN ROBINSON, Editor-in-Chief. 
FRANK SHIPLEY COLLINS 
MERRITT LYNDON FERNALD ^ Associate Editors. 
HOLLIS WEBSTER j 
WILLIAM PENN RICH 
EDWARD LOTHROP RAND Publication Committee. 
Vol. 22. April, 1920 No. 256. 
CONTENTS: 
Eupatorium purpureum and its Allies. K. M. Wiegand ^ E 
The American Ammophila. M. L. Fernald . : . : Soit 
Reports on the Flora of the Boston District, XXII. 
C. H. Knowlton and Walter Deane 72 
Juncus Gerardi, var. pedicellatus, n. var. M. L. Fernald i 2:176 
Boston, Mass. Providence, R. 3f. 
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