f'Ji! 



4S 



* 



VORKSHtRE NATURALISTS UNION. 



AIiD W.- -Above Eldwick. Baildon Moor, in profusion along 

 with Roya ohtusa var. niontana^ among Rhaco^nitriuni aciculare. 



Plentiful in a ditch near Norwood Hall, above I.indley Reservoir. 

 Appletreewick, in a trough. Cocket Moss, near Giggleswick. 

 Old Cote Moor. Near Buckden. Cray Moss. 

 S.E.— Market Weighton. 



188. Penium inconspicuum West. 



N.E. 



Pilmoor, near Thirsk. 



S.E. — Riccall Common, very abundant. 



189. Penium minutum (Ralfs) Cleve. 



[Syn. Docidium niinutiun Ralfs]. 

 Mid W.— Adel Bog (VV. B. l^urner). 

 N.W.— Mickle Fell. 

 N.E.— Gormire (\V. B. Turner). 

 S.E. — Riccall Common. 



T 



Genus ROYA West & G. S. West, 1896. 



J 90. Roya obtusa (Breb.) West & G. S. West. 



[Syn. Clostcrhim ohtusiini Breb.]. 



r 



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



N.E.—Strensall. 



Var. montana West & G. S. West. 



S.W. — Ogden Clough, in profusion amongst Mougeotia 

 scalaris, on dripping rocks. 



Mid W. — Baildon Moor, abundant along with Feniiim cnici- 

 feriim^ in washings of RhacomitriiDn aciculare, Cocket Moss, 

 near Giggleswick. Cam Fell. 



191. Roya Pseudoclosterium (Roy)West & G. S. West. 



[Syn. Closteriiim Psetidoclosterium Roy]. 



N.E. — Pilmoor, near Thirsk, not uncommon (vii. 1898). 

 Length 98-140 \h] breadth 2 "6-3 \i. 



This is the first record for this species in England, although 

 it is known from Scotland, N. Wales and W. Ireland. 



Genus CLOSTERIUM NKzsch, 1817. 



192, Closterium Dianae Ehrenb, 



S.W. — Rawcliffc Common, Askem. Bingley. Cullingworth. 



Trans. Y.N.U-j iSg6 (pub. Sept. igoo), But. Series, Vol s- 





