94 YORKSHIRE NATURALISTS' UNION. 



427. Cosmarium lasve Rabenh. 



Mid W. — Boston Spa. Cocket Moss, near Giggleswick. 

 Bog two miles south of Clapham. Ingleton. Ribblehead. 

 N.W. — Mossdale Moor, Widdale Fell. 



Var. septentrionale WiUe. 

 S.W. — Ogden Clough. Crimsworth Dean. 

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

 N.E. — Scarborough Mere. 



428. Cosmarium elegantissimum Lund. 

 N.E. — Pilmoor, near Thirsk. 



S.E. — Skipwith Common. 



429. Cosmarium Thwaitesii Ralfs. 



[Syn. Calocylindrus Thwaitesii (Ralfs) Schaarschm.] 

 S.W. — Thornton Moor. Frizinghall. Cullingworth. 

 Mid W. — Adel Bog. Baildon. Rombald's Moor. Peny- 

 ghent. Whernside. 



N.W. — Mickle and Cronckley Fells. Bog near AViddalc Beck. 

 N.E.— Strensall. 



430. Cosmarium Cucurbita Brdb. 



[Syn. Calocylindrus cucurbita (Breb.) Kirchn.]. 



S.^V. — Cragg Vale, towards Blackstone Edge. Cullingworth. 

 Doncaster. Keighley Tarn. Thornton Moor. 



Mid W.— Rombald's Moor. Black Hill, near Settle. Mal- 

 ham Tarn Bog. Ingleborough. Penyghent. Old Cote Moor. 

 Oughtershaw Tarn. Cam Fell, ^^■hernside (with zygospores). 



N.W. — Baugh Fell. Mickle and Cronkley Fells. Great 

 Shunnor Fell. BirkdaleTarn Moss. Lund's Fell (at 2,000 ft). 

 Mossdale Moor, Widdale Fell. Bog near Widdale Beck. Hun- 

 ter's Hole, Craydale Moor (1,900 ft.). Cowgill Wold Moss, 

 AViddale Fell. 



N.E. — Carlton Bank. Scarborough Mere. Strensall ! (W. 

 B. Turner). Pilmoor, near Thirsk. 



431. Cosmarium Palangula Br^b. 



Mid W. — Cocket Moss, near Giggleswick. Cowside Beck, 

 Arncliffe. Old Cote Moor. 

 N.E. — Peat deposit, Filey. 



Trans. Y.N.U., 1857 (pub. Dec. 1900). Bot. Series, Vol. 5. 



