147 
Placodium. 
P. murorum, Hffm. Thallus bright yellow; orbicular, radiate ; closely 
adnate. On walls, frequent. Whitehaven; St. Bees; Alston. 
1878. 
Forma lobulatum, Smrft. On rocks. St. Bees. Not common. 1879. 
P. cirrhochroum, Ach. On limestone. Rare. Near the waterfall, Alston. 
1879. 
P. collopismum, Ach. var. plicatum, Wedd. Near Croft Pit, Hensingham ; 
Bridekirk. 1879. 
P. citrinum, Ach. Thallus a yellow crust, granulose or leprose, sometimes 
with a green tinge, if in the shade ; apothecia orange, somewhat 
sunk, with pulverulent margin. On old walls, frequently on 
mortar, and old buildings. Keswick (Mrs. Stanger) ; Lamplugh ; 
Ennerdale. General in Cumberland. 1879. 
Lecanora. 
L, vitellina. var. coruscans, Ach. Newberry, Alston. 1878. 
LL candelaria, Ach. Greenish yellow, minutely laciniate. On trees, pales, 
and rocks. Braithwaite, near Keswick. 188]. Not common. 
L. squamulosa, Schrad. On rocks, frequent. Harris Moor; Barrowmouth, 
Whitehaven. 1879. 
L. rhagadiza, Nyl. Thallus indeterminate, of a medium thickness, rimoso 
or somewhat areolato-diffract ; surface slightly uneven, of a dull 
virescent colour ; has a little, the faded appearance of having been 
washed with water ; apothecia fuscescent, innate, sub-urceolate, 
with an obtuse, even, paler margin; hypothecium pale; paraphyses 
slender, filiform, conglutinate; while adherent the apices are 
fuscescent ; when separated by K., they are pale and slightly 
articulate ; asci lineari-clavate ; spores numerous, colourless, 
oblong, very minute ; gelatina-hymenea cerulescent then slightly 
tawny with iodine ; thallus K—. C—. A new lichen which we 
found on fresh-water washed sandstone, close beside the sea. 
Barrowmouth, Whitehaven. 1880. Vide Journal of Botany, 1881, 
p. 113. 
L. tartarea, L. A thick, coarse lichen, growing upon rocks in mountainous 
regions ; distinguished for its calorific properties. Keswick (Mrs. 
Stanger). Found finely in fruit in Ennerdale, and up the Pike, 
above Melbecks, Bassenthwaite. 1880. 
L varia, Ehrh, On wooden palings, etc. Not uncommon. Beside Bassen- 
thwaite Lake; Ennerdale. 1879. 
L. subintricata, Nyl. Distinguished from L. scepincola and L. intricata by 
