248 YORKSHIRE NATURALISTS' UNION. 



1806. Osmunda regalis L. Fern-royal. Horbury. Ap- 



parently wild in this station (W. Rushforth). 



1807. Ophioglossum vulgatum L. Adder's-tongue fern. 



Hilly pastures, not uncommon. 

 1809. Botrychium Lunaria Sw. Moonwort. Coxley Val- 

 ley, rare (W. Rushforth). 

 1812. Equisetum arvense L. Corn horse-tail. Waste 



ground, common. 

 T814. Equisetum sylvaticum L. Wood horse-tail. Copses 



and hedge-banks. 

 1815. Equisetum palustre L. Marsh horse-tail. Coxley 



Dam ; marshy place, Heybeck. 

 181 7. Equisetum limosum L. Smooth water horse-tail. 



Coxley Dam, in great abundance. 

 1833. Chara fragiJis Desv. Coxley Dam. 

 1843. Ciiara vulgaris L. With var. b. longibradeata Kiitz. 



Coxley Dam. 

 1857. Nitella opaca Agardh. Slow running stream, Coxley 



Dam. 



Trans. Y.N.U., 18S5 (pub. 1887). Series E. 



