W. WEST AND G. S. WEST : ALGA-FLORA OF YORKSHIRE. 55 



223. Closterium striolatum Ehrenb. 



S.W. — Greetland, near Halifax. Frizinghall. Cullingworth. 

 Keighley Moor. 



Mid W. — Adel Bog. Baildon. Rombald's Moor. Eldwick. 

 Ilkley ! (W. H. Dikes). Wigtoii Moor. Cocket Moss, near 

 Giggleswick. Cam Fell. 



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

 Bog near Widdale Beck. 



N.E. — Pilmoor, near Thirsk. Terrington. Carlton Bank. 

 Seamer. 



S.E. — Riccall and Skipwith Commons. 

 Var. orthonotum Roy. 



Mid W.— Above Eldwick. Black Hill, near Settle. Malham 

 Tarn Bog. Whernside. 



224. Closterium intermedium Ralfs. 

 S. W. — Cullingworth. 



Mid W. — Baildon. Ilkley (W. H. Dikes). Cocket Moss, near 

 Giggleswick. Whernside. 

 N.W. — Great Shunnor Fell. 

 N.E.— Strensall. 

 S.E. — Skipwith Common ! (Rev. W. Fowler). 



Var. sculptum Racib. forma eboracense Turner. 

 N.E.— Strensall (W. B. Turner). 



Var. hibernicum West. 

 N. E. — Terrington. 



225. Closterium ulna Focke, 1847. 



[Syn. Closterhini directuin Arch. 1862]. 

 Mid \V. — Cocket Mos"^, near Giggleswick, and Giggleswick 

 Common. Bog two miles south of Clapham. 



226. Closterium attenuatum Ehrenb. 



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



227. Closterium lineatum Ehrenb. 

 S.W. — Frizinghall. 



Mid W.— Adel Bog. Baildon, Wigton Moor, 



