Proceedings of the Boston Society of Natural History. 
Vol. 36, No. 5, 
p. 171-382. 
FLORA OF BERKSHIRE COUNTY, MASSACHUSETTS 
By RALPH HOFFMANN. 
BOSTON: 
rUlNTlOl) FOR THE SOCIETY 
WITH AID FHOM THE 
GuRDON Saltonstall Fund. 
March, 1922. 
