LICHENS OF THE ISLE OF MAN. 
273 
L. Sllbfusea, form rugosa (Pers.). Phallus greenish white, granulate, 
determinate, K. yellow, C.—; apothecia brown, flat, border thick, 
mixed with the thallus. Spores 8, simple, oval, colourless, ’010-5 mm. 
long, *005-8 mm. wide; paraphyses slender, distinct. On trees, 
Ramsey. 
L. umbrina (Ehrh.). Thallus almost gone ; apothecia w, 
pale brown, border white. Spores 8, simple or [Ml 
nucleolate, colourless; thallus K. —, C. —. On rock, \w/ 
Pppl 
Jree1, ’01 x 004 mm. 
L. umbrina, form Zosterce (Ach.). As type, but apothecia reddish, very 
minute and crowded. Spores smaller. On sandstone wall, Peel 
Castle. 
L. parella (L.). Whitish or grey, granulate, smoother on the edges, 
broken by deep cracks and thicker in the centre, K. yellow, C. yellow ; 
apothecia plentiful, dull yellow, often covered by white granules, 
border thick and prominent. Spores 8, colourless, large, simple, 
•05x ’03 mm., young ones full of granules. Frequent. On rocks and 
walls, Ramsey and Peel. 
L. epixantha (Ach.). Greenish grey, effuse, granular; 
apothecia small, yellowish. Spores 8, colourless, 
oblong, with two globules. On trees, Ramseuy. 
'01 x 003 mm. 
L. 
sophodes (Ach.). Brown, granular; apothecia black, 
with brown border. Spores 8, brown, 1-septate, 
paraphyses slender, distinct. On trees, Ramsey. 
•012 x 003 mm. 
L. sophodes, form exigna (Ach.). Whitish, thin, granular, K. yellow, 
C.—; apothecia black, crowded, small, [border white. Spores 8, 
colourless, 1-septate, ’01 X ’005 mm. On trees, Ramsey. 
Ureeolaria scmposa (L.). Dark grey, thick, rough, 
or granular, broken up into angular divisions by 
deep cracks ; apothecia black, immersed ; outer 
border thalline, thick, inner one blackish. Spores 
8, brown, 5-septate, sometimes 10-septate, full of 
little cells, looking as if built up like masonry. 
’05 x '02 m., some smaller ; paraphyses slender. 
Spermatia ’007 X ’002 mm. On rocks on shore, 
Peel. 
Spores '05 x *03 mm. 
Ascus with spores and paraphyses. 
December, 1893. 
