52 YORKSHIRE NATURALISTS' UNION. 



206. Closterium acerosum (Schrank) Ehrenb. 

 S.W.— Rawcliffe Common. Hatfield Chase (J. M. Kirk). 



Wibsey. Frizinghall. CuUingworth. Saltaire. Farnley. Keigh- 

 ley, with zygospores. 



Mid W. — Markington, with zygospores ! (Rev. J. S. Tute). 

 Baildon. Eldwick. Ben Rhydding. Ingleborough. Horton- 

 in-Ribblesdale. Penyghent. 



N.W.— Great Shunnor Fell. 



N.E. — Gormire (W. B. Turner). Seamer. Scarborough Mere. 

 River Derwent, Forge Valley. 



S.E.— Skipwith Common. Brackenholme. Newsholme, near 

 Howden. Beverley. 



Var. truncatum Gutw. 



S.W. — Rawcliffe Common. Nab Wood, near Bingley. 



207. Closterium lanceolatum Kiitz. 



S.W. — Heaton. AUerton. Frizinghall. CuUingworth. Near 

 Keighley. 



Mid W.— Roundhay. Adel Bog (W. B. Turner). Otley. 

 Bolton Woods. Moughton Fell. Penyghent. 



N.W.— Cronkley Fell. 



N.E. — Hayburn Wyke. Gormire (W. B. Turner). Carlton 

 Bank. Near Scarborough. 



S.E. — Hornsea Mere. Waghen. 



208. Closterium Lunula (Miiller) Nitzsch. 



Mid W. — Somewhat rare. Markington ! (Rev. J. S. Tute). 

 Ilkley. Harrogate ! (J. M. Kirk). Cocket Moss, near Giggles- 

 wick. Bog two miles south of Clapham. 



S.W." — Denholme. Crimsworth Dean. Esholt. Allerton (large 

 forms; diam. 108 /*). 



N.W. — Mickle and Cronkley Fells. 



N.E.—Strensall!(W. B.Turner). Pilmoor, near Thirsk. Scar- 

 borough Mere. 



S.E.— Kirkham Abbey (J. M. Kirk). 

 Var. intermedium Gutw. 



Mid W. — Bog two miles south of Clapham. 



Trans. y.N.U., 1896 (pub. Sept. 1900). Bot. Series, Vol. 5. 



