W. WEST AND G. S. WEST; ALGA-FLORA OF YORKSHIRE. 27 



88. Microspora fugacissima (Roth.) Rabenh. 

 S.W.— Bradford. Dewsbury (C. B. Crawshaw and C. P. 



Hobkirk). 



Mid W. — Rombald's Moor. Grassington. Leeds. Ingle- 

 borough. Bowland Knotts. Adel Bog. 



N.W.— Sedbergh. Mickle Fell. 



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



89. Microspora pachyderma (Wille) Lagerh. 

 Mid W. — Cocket Moss, near Giggleswick. Oughtershaw. 

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



90. Microspora wittrockii (Wille) Lagerh. 



Mid W. — Stream near Gigglewick and Giggleswick Common. 

 N.W.— Head of Great Sleddale, 1750 ft (viii. 1895). Cautley 

 Spout. 



N.E. — Pilmoor, near Thirsk. 



91. Microspora abbreviata (Rabenh.) Lagerh. [Syn. 



Conferva abbreviata 'R.abenh. . 1863; C./utikii Kiitz., 



1849.] 

 S.W.— Frizinghall. 

 N.W. — Bog, near Widdale Beck. 



92. Microspora fontinalis (Berk.) De Toni. 



[Syn. Conferva fontinalis Berk.]. 

 S.W.— Heaton. 



Mid W.— Blubberhouses (W. B. Turner). Adel Bog. Rom- 

 bald's Moor. 



N.W. — Mickle and Cronkley Fells. Cotterdale. 



Genus OPHIOCYTIUM Niig., 1849. 



93. Ophiocytium arbuscula (A. Br.) Rabenh. 



[Syn. Sciadium arbuscula A. Br.]. 

 Mid W. — Harrogate (J. Abbott). 

 N.E.— Terrington (vi., 98). 



94. Ophiocytium cochleare (Eich.) A. Br. 



Mid W. — Baildon Moor. Eldwick. Wigton Moor. Malham 

 Tarn Bog. Penyghent. Aldfield ! (Rev. J. S. Tute), recorded 

 as O. maius in 'Naturalist,' May, 1890, p. 153. 



