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52 YORKSHIRE NATURALISTS UNION. 



206. Closterium acerosum (Schrank) Ehrenb. 

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



r 



Wibsey. Frizinghall. Cullingworth. Saltaire. Farnley. Keigh- 



ley, with zygospores. 



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

 Baildon. Eldwick. Ben Rhydding. Ingleborough. Horton- 

 in-Ribblcsdale. Penyghent. 

 . N.W.— -Great Shunnor Fell. 



Iv[,E.„_Gormire (W. B. Turner). Seamen Scarborough Mere. 



River Derwerat, Forge Valley. 



S^E^__Skipwith Common. Brackenholme. Newsholme, near 



Howden. Beverley. 



Var. truncatum Gutw. 



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



t 



207. Closterium lanceolatum Kiitz. 



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



Keighley. 



M[D 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 



J - ■ 



Bank. Near Scarborough. 



S.E. — Hornsea Mere. AVaghen. 



208. Closterium Lunula (Miiller) Nitzsch. 



L 



Mil:, 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,VV.— Denholme. Crimsworth Dean. Esholt. Allerton (large 



forms; diam. 108 /x). 



' 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. rgoo). Bot. Scries, Vol. 5- 





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