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YORKSHIRE NATURALISTS' UNION. 



Mid W. — Adel Bog 1 (J. Abbott). Wetherby (H. F. Parsons). 

 Leathley. Near Norwood Hall, above Lindley Reservoir. 

 N.E.— Strensall (W. B. Turner). 



S,E. — Beverley. 



Var. pulchella (Kiitz.) Rabenli. 

 Mid W. — In stream, Penyghent. 



Genus STIGEOCLONIUM KUtz., 1843. 



75. Stigeoclonium protensum (Dillw.) Kiltz. 



S,W.— Liversedge 1 (Rev. W. Fowler). Well, Barton (C. B. 

 Crawshaw and C. P. Hobkirk). Wibsey. Keighley. 



Mid W.—Farnley (W. B. Turner). Burley ! (W. Nuttall). 



Ilkley. 



N.E. — Pilmoorj near Thirsk. 



76. Stigeoclonium nanum (Dillw.) Kiitz. 



S^-\V.— Near Dewsbury (C. B. Crawshaw and C. P. Hobkirk). 

 Ogden Clough. Coley, near Shelf. Bradford. Heaton. 



77. Stigeoclonium fastigiatum Kiltz. 



S.w.— Soothill, Dewsbury (C. B. Crawshaw and C. P. Hob- 

 kirk). Near Wakefield. On stones, in stream, Halifax. 

 Mid W. — Still waters of a spring, Houghton Fell. 



78. Stigeoclonium tenue (Ag.) Rabenh. 



S.W. — Liversedge ! (Rev. W. Fowler). 



Mid W. — Horton-in-Ribblesdale. Ribblehead. 



N.W.— Near 'Moorcock Inn.' 



N.E. — Scarborough Mere. 



79. Stigeoclonium uniforme (Ag.) Rabenh. 



S.W.— On the surface of a pond, Frizinghall (iv., 95). 



Stratum yellow-green, filaments of uniform diameter (7-5 /x), 

 forming intricate, contorted bundles ; at places somewhat 

 geniculate. Branches scarce, mostly unilateral, short, much 



r 



attenuated and with piliferous apices. Cells of main filaments 

 equal to, or twice longer than, the diameter; those of the 

 branches as long as broad. Zoogonidia formed by the division 

 of the cell-contents into four. 



Previously unrecorded for the British Isles. 



Trans. Y.N.U., 1896 (pub. Sept. igoo). Bot. Series, Vol. 5. 



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