274 
LICHENS 01? THE ISLE OF MAN. 
Leeidea lurida (Swartz.). Sulphury yellow, granular, and powdery. Not 
in fruit. On rock in shady sitnations. Ballure Glen, Ramsey. 
L. parasema (Ach.). Greenish grey, 
thin, granular, and rough, K. ,-s. 
brown, C. orange-red; apo- fOj 
thecia black, small. Spores 8, |o j 
colourless, simple, sometimes 
with two globules. 007 to 0'1 
mm. long ; hypothecium brown, 
paraphyses browu. I found in Spores. Monili form threads, 
this thallus a number of branching threads formed of chains of 
round cells. On trees, Sulby Glen. 
L. eontigua, form leprosa (Leight.). Grey or pale brown, thin, con¬ 
tinuous, broken into rough scaly clusters ; apothecia black, small, 
but prominent. Spores 8, colourless, simple. On slaty rocks, 
Ramsey. 
L. eontigua, form noMlis (Fr.). Bluish-grey ; thick and rough ; apothecia 
black, large, half-round ; border paler, On shale rocks, Ramsey. 
L. eonfluens, form coviplicata (Leight.). Dirty grey, smoothish, but covered 
with minute cracks ; apothecia black, large, complicate by several 
pressed close together. Spores 8, colourless, simple, small. On 
rocks, Laxey Glen. 
L. eaneseens (Dicks.) Delicate grey, with a pale greenish hue, thick ; 
margins radiate, plaited, appressed, sorediate; centre broken and 
uneven. Not in fruit. On rocks, Peel. 
L. atro alba (Ach.). Pale brown, broken by deep cracks into 
smooth angular pieces; apothecia black, flat, with black 
border. Spores 8, brown, 1-septate, large, with brownish 
green granules inside. On slaty rock on shore, Douglas. 
•02 x '012 mm. 
L. ehlorophsea (Hepp. MS.). Dirty white, granular, 
broken and uneven, K. yellow, then dark 
red, C. faint yellow ; apothecia black, small, 
nearly immersed in thallus. Spores 8, brown, 
probably 3-septate. Hypothecium dark brown ; 
paraphyses agglutinated, apices brown. On 
rocks, Peel. 
globules in each. 
L. geographiea (L.). Citrine or yellow, continuous, broken by black 
cracks in fine specimens, giving it the appearance of a map; 
apothecia black, buried in and level with the thallus. Spores 8, 
dark brown, like built-up masonry ; large. On slaty rocks on shore, 
Douglas. 
L. petrsea (Wulf.). Brown, granular, rough, and broken ; apothecia black, 
numerous, small. Spores 8, brown, globules inside. •02x , 01m.m. 
On rock, Peel. 
December, 1893. 
