W. WEST AND G. S. WEST: ALGA-FLORA OF YORKSHIRE. 165 



825. Stauroneis Legumen Ehrenb. [Syn. Pkurostaurum 



Legtimen Rabenh. ; Stauroneis Smithii Grun. ; ^S'. 

 linearis AV. Srn.]. 

 S.VV. — Rossington (M. H. Stiles). Marley, near Bingley. 

 Shipley. 



Mid W.— Killinghall (G. Norman). Baildon. 

 S.E. — Beverley ; Cottingham ; Market Weighton Canal (G. 

 Norman). 



Genus NAVICULA Bory (1822). 



826. Navicula nobilis (Ehrenb.) Kiitz. 



[Syn. Pinnularia nobilis Ehrenb.]. 

 S.W. — Askern district (M. H. Stiles). Marley, near Bingley. 

 CuUingworth. Hatfield Chase (J. M. Kirk). Doncaster. 



MidW. — Austwick. Baildon. Rombald's Moor. Eldwick. 

 Moughton Fell. Cocket Moss, near Giggleswick. 

 N.W. — Mickle and Cronkley Fells. 



N.E. — Strensall. Pilmoor, near Thirsk. Terrington. Seamer. 

 S.E. — Beverley. Cottingham ; Hornsea Peat Deposit (G. 

 Norman). 



Var. Dactylus (Ehrenb.) V.H. 



[Syn. Finnularia Dactylus Ehrenb.]. 

 Mid W. — Wigton Moor. 

 N.W. —Mickle Fell. Great Shunnor Fell. 



827. Navicula major Kiitz. 



[Syn. Pinnulara major (Kiitz.) Rabenh.]. 



S.W. — Askern, Cusworth, and Hatfield districts ; Firsby 

 Reservoirs (M. H. Stiles). Bradford. Swill Hill. Ogden 

 Clough. Keighley Moor. Doncaster. 



Mid W. — Baildon. Eldwick. Harrogate (G. Norman). Mal- 

 ham Tarn. Wigton Moor. Ilkley. Bolton Woods. Boston 

 Spa. Black Hill, near Settle. Bog two miles south of Clapham. 



N.W. — Great Sleddale. Jervaulx Abbey. Bog near Widdale 

 Beck. Cronkley Fell. Mickle Fell. 



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

 Strensall. Seamer. Levisham. 



Bot. 5— K 



