78 YORKSHIRE NATURALISTS^ UNION. 



351. Cosmarium subcostatum Nordst. 



Mid W. — Shipley Glen. Ben Rhydding. Malham Tarn. 

 N.E. — Pilmoor, near Thirsk. 

 S.E. — Skipwith Common. 



352. Cosmarium formosulum Hoff. 

 Mid W.— Eldwick. 



N.E. — Strensall Common. Pilmoor, near Thirsk. 

 S.E. — Riccall and Skipwith Commons. 



353. Cosmarium nitidulum De Not., 1867. 



[Syn. C. rectosponiiJi Turn., 1893]. 

 S.W. — Cullingworth. 



N.\V. — Mickle Fell. Pilmoor, near Thirsk. 



N.E.— Beast Cliff. 



354. Cosmarium pseudonitidulum Nordst. 

 S.W. — Cullingworth. 



N.W. ^Mickle Fell. 



355. Cosmarium variolatum Lund. 

 Mid W.— Baildon. 



356. Cosmarium pseudopyramidatum Lund. 

 S.W.— Cullingworth. 



Mid W.— Malham Tarn. 

 S.E. — Riccall Common. 



357. Cosmarium pyramidatum Br^b, 

 S.W. — CuUingworth. Saltaire. 



Mid W. — Bramhope (W. B. Turner). Bog two miles south of 

 Clapham. Moughton Fell. Penyghent. 



N.W. — Mickle and Cronkley Fells. Great Shunnor Fell. Bog 

 near Widdale Beck. 



N.E.— Gormire. Strensall ! (\V. B. Turner). 



S.E. — Riccall Common. 



358. Cosmarium Nymannianum Grun. 

 S.W.— Keighley Tarn. 



N.W. —Great Shunnor Fell. 



359. Cosmarium granatum Breb. 



Mid ^V. — Baildon. Malham Tarn. Cowside Beck, Arncliffe. 

 Penyghent. Cray Moss. 



Trans. Y.N.U., 1897 (pub. Dec. 1900). Bot. Series, Vol. 5. 



