THE LICHENS OF SOUTH LANCASHIRE, 125 
LECIDEA LITHOPHILA, Ach. 
Very fine, on water-washed stones and boulders in the stream, 
Sheddon Clough, near Burnley, May 1912. It was associated with 
L. contigua, Fr. 
LECIDEA PLANA, Nyl. 
On the sandstone coping-stones of a bridge at Twiston, June 1914. 
LECIDEA EXPANSA, Nyl. 
Оп half-buried stones (limestone) in banks of glacial drift by the 
River Ribble, at Chatburn, March 1913. Associated with Verrucaria 
submersa, Schaer. 
LECIDEA SANGUINARIA, Ach. On rocks only with us, although it occurs on 
bark also north of the Ribble beyond our area. Very rare. 
On sandstone rock, Clark Hill, Whalley, June 1908. 
BIATORELLA MORIFORMIS, Th. Fr. 
On an old stump on the sandhills between Freshfield and Ainsdale, 
July 1914. 
BIATORELLA CAMPESTRIS, Th. Fr. 
On bare, damp, sandy ground, encrusting decaying mosses and 
hepatics, sandhills between Freshfield and Ainsdale, Nov. 1912. 
This species has only once previously been recorded as having been collected in 
Britain, namely at Braunton Beacon, Devon, by Mr. Е. М. Holmes, see Addenda, 
Mon. Brit. Lichens, vol. ii. р. 353. It is a beautiful little species, only to be found 
by very close search; the small apothecia being very scattered and having the 
appearance of a minute discomycetous fungus. 
BIATORINA CŒRULEONIGRICANS, A. L. Sm. 
Not infrequent on the ground among and in crevices of limestone 
rocks ; occurs also, but rarely, on calcareous (shelly) sand on the coastal 
dunes. 
Sandhills at Formby, very sparingly, 1892 ; near Chatburn, A. А. 
Dallman § J. А. W. ; Worsaw Hill, Chatburn, May 1910. 
BIATORINA GRANIFORMIS, А. L. Sm. (Lecidea Ehrhartiana, Ach.) On the 
bark of trees. Very rare. Sterile, but with abundant spermogones. 
On a hawthorn, by the R. Ribble, near Clitheroe, June 1912; on the 
bark of an elm at the mouth of Chatburn brook, Chatburn, June 1914. 
BIATORINA LENTICULARIS, Koerb. On calcareous rocks and stones, also on 
mortar. Rare. 
On shady, damp limestone rocks, Worsaw Hill, Chatburn, Sept. 1910; 
on mortar in an old wall near Hacking Boat, March 1913, C. В. Travis 
$ W. G. T. 
