204 YORKSHIRE NATURALISTS UNION. 



Genus DEXTICULA Kiitz., 1S44. 



976. Denticula tenuis Kiitz. 



S.W.— Askem, Cusworth, and Hatfield districts (M. H. Stiles). 

 Crimsworth Dean. 



Mid W. — Holden Gill, near Keigbley. Shipley Glen. Simon's 

 Fell. Ingleton. 



N.'W'.— Cautley Spout. 



N.E.— Beast Cliff. 



S.E.— Wressle. '\\'awne (G. Norman). Anlaby Road (Dr. 

 ]Munroe). 



Var. crassula (Nag.). [Syn. D. crassula Nag., 1849; D. 



iiifliita W. Sni., 1856]. 



INIiD W. — Ingleton. 



N.W. — Great Shunnor Fell. 



S.E.— Newbald (G. Norman). 



977. Denticula elegans Kiitz. 

 S.W.— Ogden Clough. 



Family TABELLARIE.E. 

 Genus TABELLARIA Ehrenb., 1839. 



978. Tabellaria fenestrata (Lyngb.) Kiitz. 



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

 Keighley Moor. 

 Mid W.— Blubberhouses (\V. B. Turner). Ilkley. 

 N.W.— Baugh Fell. Mickle Fell. Cotterdale. 

 N.E.— Carlton Bank. 

 S.E. — Skipwith Common. 



979. Tabellaria flocculosa (Roth.) Kiitz. 



S.W. — Bradford. Doncaster town water; Hatfield district 

 (M. H. Stiles). Keighley Moor. Cragg Vale, towards Blackstone 

 Edge. Cullingworth. 



MiD W.— Blubberhouses; Horsforth (W. B. Turner). Black 

 Hill, near Settle. Near Buckden. Cam Fell. Ilkley. Cocket 

 Moss, near Giggleswick. Bowland Knotts. Giggleswick 

 Common. 



Trans. Y.N.U., igoi (pub. July 1901). Bot. Series, VoL 5. 



