Proceedings of the Boston Society of Natural History. 

 Vol. 36, No. 5, 



p. 171-382. 



FLORA OF BERKSHIRE COUNTY, MASSACHUSETTS 



By RALPH HOFFMANN., 



BOSTON: 



PUINTKI) FOR THE SOCIETY 

 WITH AID FROM THE 



GuRDON Saltonstall Fund. 

 March, 1922. 



