W. WEST AND G. S. WEST : ALGA-FLORA OF YORKSHIRE. 47 



Old Cote Moor. Oughtershaw Tarn. Cam Fell. Cowgill Wold 

 Moss, Widdale Fell. Whernside. 



N.W.— Baugh Fell. Mickle Fell. Great Sleddale, and up to 

 2,200 ft. in Swaledale. Birkdale Tarn Moss. Lund's Fell. 

 Mossdale Moor, Widdale Fell. Dodd Fell, 2,000 ft. 



N.E.— Strensall. 



184. Penium cucurbitinum Biss. 

 Among wet mosses, on dripping rocks, etc. 

 S.W.— Ogden Clough. 



Mid W. — Shipley Glen. Holden Ghyll, near Keighley. 

 Near Ilkley. Penyghent. Cowgill Wold Moss, Widdale Fell. 

 S.E. — Riccall Common. 



Var. subpolymorphum Nordst. 

 N.W. — Mickle Fell. Length 77-82 fi ; breadth 35-38 /*. 



185. Penium crassiusculum DeBary. 



Mid W.— Cowgill Wold Moss, Widdale Fell. 



186. Penium curtum Breb. [Syn. Cosmarium curtum 

 (Breb.) Ralfs; Calocylindrus curtus (Br^b.) Kirchn.]. 



Mid W. — Near Ilkley ! (Miss J. Town). Ingleton. Peny- 

 ghent. 



N.W. —Mickle Fell. 



N.E.— Gormire (W. B. Turner). 

 Forma major Wille. 



Mid W. — Langcliffe, near Settle. Length 53 /a; breadth 28 ju; 

 breadth of isthmus 2 6 "5 ju.. 

 Var. obtusum var. nov. 



A large variety with the sides at the base of the semicells sub- 

 parallel, with broader, subtruncate apices, below which the sides 

 are very faintly hollowed. Length 41-45 /*; breadth 20-23 V-\ 

 breadth of constriction 19 /*. 



Mid W. — Ingleton, on wet rocks. 



187. Penium cruciferum (DeBary) Wittr., 1882. 



[Syn. Cosmarium ? cruciferum DeBary, 1858]. 

 S.W. — Ogden Clough. Keighley Moor. 



