96 

 Harvey's Nereis Boreali-Americana. 



Farlow's List of Marine AlG/E of U. S. in Rept. Fish Com., 

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



Flint's Grasses and Forage Plants. 



Transactions of the Mass. IIort. Soc. 



History of the Mass. Hort. Soc. 



Oakes' Catalogue of Vermont Plants in Thompson's History 

 of Vermont. Pages 173-208. 



Halsted's CriARACE.E 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. 



Hovey's Magazine of Horticulture (various articles by Oakes 

 and Russell). 



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

 and Vicinity." 



These notes are introductory to an Enumera- 

 tion of the Plants of Essex County that has been 

 prepared, after a careful examination of the work 

 of the earlier botanists and diligent search in 

 almost every portion of the county for species 

 not previously noticed, and will appear in a 

 separate issue, as an occasional publication of the 

 Institute. 



IVith so few persons devoting themselves to 

 the study of botauy or the collection of speci- 



