W. WEST AND G. S. WEST: ALGA-FLORA OF YORKSHIRE. I97 



N.E. — Scarborough Mere. Hayburn Wyke. Scalby Beck. 

 River Derwent, Forge Valley. 



S.E. — Newsholme. Near Stoneferry (G. Norman). 



957. Synedra Vaucherias Kiitz. 



S.W. — Mirfield. Allerton. Frizinghall. Cragg Vale, towards 

 Blackstone Edge. Halifax. 



Mid W. — Baildon. Havvksworth Springs. 



S.E. — Newsholme. Loftsome Bridge, near Wressle. 



958. Synedra Ulna (Nitzsch) Ehrenb. 



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

 reservoirs; Rossington (M. H. Stiles). Roche Abbey (M. H. 

 Stiles; J. N. Coombe). WooUe)'. Doncaster. Bingley. Fixby. 

 Denholme. Bradford. Mirfield. Morley. Ogden Clough. 



Mid W. — Markiiigton (Rev. J. S. Tute). Ripley; Harrogate! 

 (G. Norman). Blubberhouses (W. B. Turner). Baildon. Kild- 

 wick. likley. Otley. Holden Gill, near Keighley. Leathley. 

 Above Eldwick. Bolton Woods. Boston Spa. Menston. 



N.W.— Cautley Spout. Great Sleddale. Mickle and Cronk- 

 ley Fells. Great Shunnor Fell. 



N.E. — Peat deposit, Filey. Scalby Beck. River Derwent, 

 Forge Valley. Staindale. Rievaulx Abbey. Pilmoor, near 

 Thirsk. Malton! (G. Norman). Ingleby. 



S.E. — Loftsome Bridge, near Wressle. Beverley, Waghen. 

 Haltenprice. Wawne; Reservoir waterworks, Hull; Hornsea 

 Peat Deposit (G. Norman). 



Forma salina (W. Sm.). [Syn. Synedra saliiia W. Sm.; 

 61 Ulna forma viai-iim Rabenh.]. 

 S.E. — Market Weighton Canal (G. Norman). 



Var. splendens (Kiitz.) Brun. 



[Syn. 5. splendens Kiitz. ; S. radians W. Sm. ]. 

 S.W. —Firsby reservoirs (M. H. Stiles). Askern (Rev. F. H. 

 Allen). Woolley. Bradford. Bingley. Doncaster. Goole. 

 Roche Abbey (J. N. Coombe). Farnley. Elslack. 



Bot. 5— M 



