Hovova 
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 \ 
WILLIAM PENN RICH ( 
Publication Committee. 
EDWARD LOTHROP RAND | 
. Vol. 10. February, 1908. No. 110. 
CONTENTS: 
Teratological Forms of Trillium undulatum. W. Deane 21 
New England Species of Psedera. A. Rehder А : 24 
Vascular Plants of the Northeastern States. 8. 1. Robinson 29 
Discovery of Cryptogramma Stelleri in Maine. W. Ё. Bacon 35 
Additions to the Lichen Flora of the Blue Hills. В.Н. Howe, Jr. 36 
Preliminary Lists of New England Plants, — XV. Addenda. 
A. S. Pease 36 
Boston, Mass. Providence, Ж. 1, 
740 Exchange Building. Preston and Rounds Co. 
