Proceedings of the Boston Society of Natural History. 



VOL. 36, No. 1, 

 p. 1-103, pis. 1, 2. 



CONTRIBUTIONS FROM THE GRAY HERBARIUM OF 

 HARVARD UNIVERSITY. NEW SERIES. No. LXII. 



SABLE ISLAND, WITH A CATALOGUE OF ITS VASCULAR PLANTS. 



By HAROLD ST. JOHN. 



BOSTON: 



PRINTED FOR THE SOCIETY, 

 MARCH, 1921. 



