FLORA OK THE EAST RIOING OK YORKSHIRE. 225 



1948. Tolypella grlomerata. Leonh., 27. 



Native, Eng-. Spring- and Summer. 



Abundant in a dyke near Haltemprice, Cottin-ham.* 



1950- T. intricata. Lconh., 12. 



Native, Eng-. 



hi dykes near Dunswell, Cottin-ham (the author and 

 C.W. m x^oi.fidc Wats. Botanical Exch. Club Report). 



1955- Nitella translucens. 



^'=**-' ^'"Sr- Sprin^^ and Summer. 



Pond on the Barlby side of Skipwith Common (C.W ) * 

 -September, igoo. 



1956. N. flexiliS. Ao-ardh., 2,0. 



^'**-' ^"§^- Spring- and Summer. 



Beck *^ ''"frequent in Holderness dykes. Near Cottingham 



