Harvey's Nereis Boreali-Americana. 



Farlow's List of Marine Alg^ of U. S. in Kept. Fish Com., 

 1875, and Proc. Am. Acad, op Arts and Sciences. Vol. X. 



Flint's Grasses and Forage Plants. 



Transactions of the Mass. Hort. See. 



HisTOKV of the Mass. Hort. Soc. 



Oakes' Catalogue of Vermont Plants in Thompson's History 

 of Vermont. Pages 173-208. 



Halsted's CHAUACBiE IN Proc. Bost. Soc. Nat. Hist. Vol. XX. 



List of the Plants of Georgetown and Vicinity, by Mrs. 

 Horner, in Georgetown Advocate, 1876. 



List of Plants near Danvers, by Dr. Geo. Osgood, in Salem 

 Observer, 1853. 



HovBY's Magazine of Horticulture (various articles by Oakes 

 and Eussell). 



List of Plants of Pigeon Cove, by Calvin Pool, in "Pigeon Cove 

 AND Vicinity." 



