186 = Rev. E. Williams’s List of Shropshire Lichens. 
Lichen gracilis [Cladonia gracilis, /r.]. Stiperstones Heath. 
Lnchen hymeneus [ Pertusaria Wulfenii, DC.]. Trunks of trees (Dr. 
J. E. Smith). : 
Lichen inquinans [Trachylia tympanella, Fr.]. Old pales. 
Lichen inclusus [Thelotrema lepadinum, Ach.]. Holly trees on Acton 
Burnell Hill. 
Lichen linceus [Opegrapha lyncea, Borr.]. Trunks of trees. 
Inchen herbaceus [ Ricasolia herbacea, D. V.]. (See letevirens.) — 
Inchen hirtus [Usnea barbata, F’r., forma hirta]. Trunks of trees. 
Lichen hispidus [Cetraria aculeata, Fr.]. Walls on Frodesley Hill ; 
rock on Overley Hill; Wrekin ; Stiperstones; Caradoc; Brown Clee. 
Lnchen horizontals [Peltigera horizontalis, Hffm.]. East wall of 
Frodesley Hill and Acton Burnell Hill. 
Lachen hypnorum [K. Bot. 740]. Whitecliff, near Ludlow. 
Lichen jubatus [Alectoria jubata, Ach.|. Wall of Frodesley Park ; 
Upton Park pales; Pimhill Rocks; Caradoc; Stiperstones. 
Lichen letevirens” [Ricasolia herbacea, De V.]. On stones at Comb 
Floyd, near Bishop’s Castle (Dillenius). 
Lichen luteus (luteo-albus) [Lecanora cerina, var. pyracea, Ach. |. 
Trunks of trees. 
Inchen niger [Pannaria corallinoides, Scher.]._ On Cound church- 
yard-wall. 
Inchen nigrescens [Collema nigrescens, Ach.]. Old ash trees near 
Radnor Bridge; crab-trees on Pontesford Hill and about Pulver- 
bach. : 
Lichen Gderi (this, in all probability, comprehends many things, as 
Lecidea petrea, var. Gideri (Z. Bot.1117), Lecidea melanophea, Fr., 
and forms of Urceolaria, &c.]. Stiperstones. 
Iachen olivaceus [Parmelia olivacea, Ach.|. Trunks of trees; common. 
Lichen omphalodes [ Parmelia saxatilis, Ach., var. omphalodes, Ach. |. 
Rocks on Haughmond Hill, 
Lnchen pallescens [Lecanora parella, Ach., var. pallescens, Ach.]. On 
trunks of trees. 
Inchen parilis [Nephroma levigatum, Ach., var. parile, Ach.|. In 
an old stone-quarry on Cound Moor. 
Lichen parellus {| Lecanora parella, Ach.|. Trunks of trees. 
Lichen parietinus [| Physcia parietina (Zinn.)]. Walls and trunks of 
trees. 
Lichen perlatus [Parmelia perlata, Ach.]. Trunks of trees ; common. 
Lichen pertusus [Pertusaria communis, DC.]. Bark of trees and 
walls. 
Lichen physodes [Parmelia physodes, Ach.]. Old pales ; common. 
Lichen polyrhizus { Umbilicaria polyrrhiza (Zinn.)}. Stiperstones. 
Lichen prunastri [Evernia prunastri, Ach.|. Branches of bushes and 
trees ; common. 
