Rev. E. Williams’s List of Shropshire Lichens. 185 
Lichen coccineus [Lecanora hematomma, Ach.]. Rocks on Haugh- 
mond Hill; Pontesford Hill; Frodesley; Acton Burnell, walls; 
Titterstone Clee. 
Lichen concentricus [Lecidea petrea, var. concentrica (Dav.), E. Bot. 
246]. First canal-bridge between Uffington and Atcham. 
Lichen corallinus [Stereocaulon corallinum, Schreb.]. Rocks and 
walls; Frodesley ; Stiperstones; north side of a hill between the 
Wrekin and the Arcoll Hill; Acton Burnell. 
Lichen crispus [Collema crispum, Ach.]. Bottom of shady walls. 
Lichen eristatus [Collema cristatum, Scher.]|. Bottom of shady walls. 
Lichen ericetorum | Beeomyces icmadophilus, HhArh.}. Sides of banks 
about Ludlow. 
Lichen excavatus | Urceolaria scruposa, Ach. |. Walls of Col. Charlton’s 
park, Ludlow. 
Lichen fagineus [probably Variolaria faginea, Pers., a sorediate 
state of Pertusaria communis, DC.}. Trunks of trees, common. 
Lichen farinaceus [Ramalina calicaris, Fr., var. farinacea, Ach, |. 
Trunks of trees. 
Lichen fascicularis [without examination of specimens it is difficult 
to say to what species of Collema this should be referred]. Trunks 
of trees in a wood on the north-east side of the Stiperstones. 
Lichen ferrugineus | Lecanora ferruginea (Huds.)]. Parapet-wall of 
Cound Stank bridge. 
Lichen flavescens [probably comprehending Placodium murorum, DC. 
~ and its var. citrinum (Hffm.), and Placodium elegans, DC., and 
Lecanora aurantiaca (Lightf.), var--erythrella (Ach.). Walls and 
rocks. 
Lichen floridus [Usnea florida, Zinn.]. Trunks of trees in wood 
below the Stiperstones and near Ludlow. ~ 
Lichen foliaceus [Cladonia alcicornis, Flk.|. Rocks on Haughmond 
Hill; Lyth Hill; Pontesford Hill. 
Lichen fraxineus {Ramalina calicaris, F'r., var. fraxinea, /r.]. Trunks 
_ of trees ; common. 
Lichen furcatus {probably Cladonia furcata, Scher., including pun- 
gens (Ach.), not at that time separated]. Rocks and heaths. 
Lichen furfuraceus [Kvernia furfuracea, Mann}. Rocks on the 
Stiperstones ; Frodesley Park-wall; rocks north side of Wrekin. | 
Lnchen fusco-ater [Lecidea fusco-atra, Ach.]. Walls; by side of turn- 
pike road near Cound Hall (wall taken down). 
Lichen geographicus {Lecidea geographica, Scher.]. Rocks. 
Lichen glaucus [Platysma glaucum, Hffm.}. Frodesley Park-wall; 
Wrekin; Stiperstones ; Caradoc Hill. 
Lichen globiferus [Spherophoron coralloides, Pers.]. Rocks on 
Haughmond Hill; Frodesley Hill; Stiperstones; Caradoc. 
Lichen glomuliferus [ Ricasolia glomulifera, De NV.]. Trunks of trees 
between Castle Pulverbach and Stiperstones. 
