154 VORKSHIRE NATURALISTS UNIOIf. 



is also a more or less conspicuous granule towards each end of 

 the chromatophore. 



S.W.— Keighley Moor. 



N.W.— Cowgill Wold Moss, Widdale Fell. 



Genus GLAUCOCYSTIS luigs., 1854. 



764. Glaucocystis Nostochinearum Itzigs. 

 Mid W. — Cocket Moss, near Giggleswick. 

 N.W.— MossdaleMoor, Widdale Fell. 



N.E. — Pilmoor, near Thirsk. 



Genus MERISMOPEDIA Meyen, 1839. 



765. Merismopedia glauca (Ehrenb.), Nag. 

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

 Mid W. — Adel Bog. Whernside. Ribblehead. 

 N.W.— Mickle Fell. Lund's Fell. Jervaulx Abbey. 



N.E. — Strensall. Scarborough Mere. Scalby Beck. Saltburn. 

 S.E. — Riccall Common. Peat deposit, Filey. Skipwith 

 Common. 



766. Merismopedia punctata Meyen. 

 N.E. — Rievaulx Abbey. 



S.E. — Riccall Common. 



767. Merismopedia hyalina Kiitz. 



S.W. — Pond, Frizinghall, among Microthamnion Kutzingia- 

 nuni (iii. 1897). 



768. Merismopedia sruginea Breb. 

 Mid W. — Crook Gill, near Buckden. 

 N.W.— Cowgill Wold Moss, Widdale Fell. 



Genus TETRAPEDIA Reinsch., 1867. 



769. Tetrapedia Reinschiana Arch. 

 Mid W. — ^LangcliflFe, near Settle. 

 N.E.— Pilmoor, near Thirsk. 



S.E. — Riccall Common. Skipwith Common. 



770. Tetrapedia glaucescens (Wittr.) Boldt. 

 Mid W. — Langcliffe, near Settle. 



N.E.— Pilmoor, near Thirsk (iv. 1898). 



Trans. Y.N.U., 1899 (pub. July igoi). Bot. Series, Vol. 5. 



