BOTANICAL REPORT — 1880. I23 



far these differences may be due to the effect of growth in 



shade acting through a long series of years, I am as yet 



unable to say. 



The plate illustrating the foregoing diagnosis has been 



taken by permission from Trimen's Journal of Botany, 



wherein, before Dr. Boswell had seen the plant, Mr. H. N. 



Ridley considered it a variety of C. pilulifera. 

 Glyceria plicata Fr. Wet grassy ground below Etchell Crags, 



Scarcroft. F. A. Lees. M.W. York. 



Sclerochloa distans Bab. 



Canal banks near Barnsley. H. Johnson. S. W. York. 



Poa compressa L. Wall, Moor-end, Boston Spa. 



F. A. Lees and T. Hick. M.W. York. 

 Hordeum sylvaticum Huds. 



Bilton Haggs near Wighill. F. A. Lees. M.W. York. 



Asplenium adiantum-nigrum Z. South east face of ruins, 



Spofforth Castle. Still existent in 1880. J. Emmet! 



M.W. York . 



Nephrodium Borreri Newm. Lund Wood Close, West 

 Woods, Bramham. J. Emmet ! Woods bordering Stockeld 

 Park on the east. F. A, Lees. M.W. York. 



Polypodium Robertianum Hoffm. In the old masonry of 

 the terrace wall in front of the ruined house at Bramham 

 Park. J. Emmet! Probably not truly wild, but at any rate 

 thoroughly established. F. A. Lees. M.W. York. 



Lycopodium selago L. In the Brayton railway cutting about 

 a mile from Selby. W. N. Cheesman. A curious occurrence 

 in such a place at so low a level. A relic, or an 

 introduction? F. A. Lees. M.W. York. 



Equisetum hyemale L. Hedge bank near Scholes. 



H. Ibbotson! M.W. York. 



Nitella opaca Br. Pool by road between Rigton village and 

 Etchell Crags. F. A. Lees. M.W. York. 



Tolypella glomerata Leonh. In a small lake on estate of 

 Earl Cathcart, near Thirsk. Geo. Nicholson. N.E. York. 



