W. WEST AlfD G. S. WEST: ALGA-FLORA OF YORKSHIRE. 3I 



104. Cladophora glomerata (L.) Kiitz. 



S.W. — Fairly abundant in most streams, rivers, canals, etc. 

 Upper Bradfield (Rev. R. A. Gatty). Castleford. Coxley Valley, 

 Horbury (C. B. Crawshaw and C. P. Hobkirk). Conisborough 

 (H. F. Parsons). Near Keighley. Wibsey. 



Mid W. — Moor Allerton, near Leeds (W. B. Turner and J. 

 Abbott). Harrogate. Boston Spa, Wetherby, and Sherburn 

 (F. A. Lees). Shipley Glen! Ilkley and Selby (H. F. Parsons). 

 Kirkby Malham (C. B. Crawshaw and C. P. Hobkirk). Mough- 

 ton Fell. Attached to stones, Linn Ghyll. Penyghent. Ribble- 

 head. Whernside. 



N.W.— Cronkley Fell. Great Shunnor Fell. 



N.E. — Strensall. Terrington. Carlton Bank. Scarborough 

 Mere ! (G. Massee). Hayburn Wyke. 



105. Cladophora flavescens Ag. 



S.W. — RawclifFe Common. Frizinghall Dam. Shipley. Don- 

 caster. 

 Mid W. — Hawksworth. 

 S.E. — Hornsea Mere. 



106. Cladophora xgagropila (L.) Kiitz.. 



S. E. — ' In Walling Fen Moor, twelve miles west of Hull, a 

 lake of 100 or 200 acres on a large common, subject to be over- 

 flowed by salt water from the Humber. This lake has been 

 drained since these vegetable balls were described in Phil. 

 Trans, xlvii., p. 498.' — Camden's Britannia, translated and en- 

 larged from the edition published by the author in MDCVIL, 

 by Richard Gough, London, 1789, iii., p. 98. 



Order CONJUGATE. 



Family ZYGNEMACE^. 



Sub-Family Mesocarpe^. 



Genus MOUGEOTIA Ag., 1824. 



107. Mougeotia genuflexa (Dillw.) Ag., 1824. [Syn. 



Conferva genuflexa Dillw., 1809; Mougeotia mirabilis 

 A. Br., 1855; Mesocarpus pleurocarpus DeBary, 1858]. 



