THE FERN BULLETIN 



117 



Clute, W. N. The Arrow-leaved Hemionitis. illust. 

 Fern Bulletin Jl. 1910. 



Dowell, P. — Notes on Some Ferns Found During 

 1909. — American Fern Journal Ag. 1910. — New 

 locations for varieties of N ephr odium spinulosum. 



Dutton, D. L. Habitats of Botrychium simplex. 

 Fern Bulletin, Jl. 1910. 



Hill, E. J. Fern Notes. Fern Bulletin Jl. 1910.— 

 Notes, principally regarding distribution, of Wood- 

 wardia Virginica, Nephrodium spinulosum, Dick- 

 sonia punctilobula and Botrychium. 



Hopkins, L. S. Notes on the Botrychia. illust. 

 American Fern Journal, Ag. 1910. 



Nieuwland, J. A. Pteridium, J. Agardh, a Homo- 

 nym. Midland Naturalist, Ag. 1910. 



Marshall, M. A. Lycopodium inundatum in the 

 White Mountains. American Fern Journal, Ag. 

 1910. 



Merrill, H. W. Polypodium Vulgare in Maine. 

 American Fern Journal, Ag. 1910. — Notes on the 

 varieties of this species. 



Prescott, A. Botrychium ramosum. Fern Bulletin, 

 Jl. 1910. 



Prescott, A. The Boulder Fern. Fern Bulletin, Jl. 

 1910. 



Pteridographia. Fern Bulletin. Jl. 1910. A Fra- 

 grant Marsh Fern, A Forking Cystopteris, An 

 Evergreen Cystopteris, Apospory in Ferns, Azolla 

 and Mosquitos, Ncphrolcpis Roosevelti. 



