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P. saxatilis, L. Forma glomulifera, Cromb. Keswick (Mrs. Stanger). 
var. sulcata, Tayl. Ashgill Woods (in fruit) ; Asby. 1879. 
var. furfuracea, Scher. Thallus rough with papillae. Very common 
on rocks and walls. Alston (in fruit) ; Asby ; Wastdale. 1878. 
var. omphalodes, L. Brownish black, shining. Keswick (Mrs. Stanger). 
P. levigata, Sm. Ennerdale, 1880. 
Phystia. 
P. parietina, L. Yellow, sub-orbicular. Occurs in patches upon old walls. 
Common. Gillgarron; Harris Moor; Alston. 1876. 
var. aureola, Ach. Deeper yellow than the type; minutely granulate 
upon the surface, with margins of apothecia crenulate. Harris 
Moor; Whitehaven. 1879. 
var. lychnea, Ach. Thallus small and crowded. Differs from Lecanora 
candelaria, in the purple colour produced by K. Not common. 
Ashgill, Alston. 1878. 
var. polycarpa, Ehrh. Ona barndoor, Melbecks; Bassenthwaite. 1881. 
P. pulverulenta, Schreb. On trees, common. Keswick (Mrs. Stanger) ; 
Skelton ; Alston; Asby. 1878. 
Forma venusta, Ach. Margins of apothecia have small horizontal 
lobule. Asby ; Keswick. 1879. 
P. stellaris, L. Distinguished by the albo-maculate, or minutely white- 
spotted, thallus; and by the brown nucleate spores. On trees and 
bushes, frequent. Asby ; Ennerdale ; Bassenthwaite ; Wastdale. 
1879. 
var. tenella, Scop. Ennerdale ; Asby Mount. 
var. fimbriatula, Strtn. Differs from the last form in the lacinie being 
slenderer, longer, and albo-sorediate at the extremities. On thorn 
bushes, Skelton. 1879. 
P. aquila, Ach. Greenish brown, narrowly laciniate, orbicular. On mari- 
time rocks. Plentiful, in splendid condition and full of fruit, about 
Barrowmouth ; Whitehaven. 1880. é 
Tribe—GYROPHOREL. 
Umbilicaria. 
U. pustulata, Hoffm. Thallus membranaceous, monophyllous, umbilically 
affixed, coriaceous, blistered on the upper surface. On rocks and 
stones in mountainous districts. Plentiful at Hermon’s Hill, and 
on the high side of the Strands, Wastdale. Not in fruit, which is 
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