748 
Transactions of the Society. 
G. capitatum Ehrnb. Bn., Sk. 
G. constrictum Ehrnb. Bn., near Cockermouth, Stye Head 
Tarn, Ennerdale. 
G. geminatum A g. H., B., B. 
G. acuminatum Ehrnb. B., W., H., Bn., Stye Head Tarn, 
Crnmmock Water. 
G. olivaceum (Lyngb.) Kiitz. B., Bassenthwaite Water. 
G. intricatum Kiitz. B., L., C., Stye Head Tarn. 
Genus Meridion Ag. 
M. circulare (Grey.) Ag. B., Hp., near Cockermouth. 
Genus Tabellaria Ehrnb. 
T. jtocculosa (Both) Kiitz. Very common. 
var. ventricosa (Kiitz.) Babh. Scawfell, Crummock 
Water. 
T. fenestrata (Lyngb.) Kiitz. Common. 
Genus Tetracyclus Balfs. 
T. lacustris Balfs. B. 
