Rev. E. Williams's List of Shropshire Lichens. 187 



Lichen pulicaris [probably Opegrapha varia f. pulicaris {Hffm.), in- 

 cluding also possibly Hysteriwn pulicare, a fungus]. Trees. 



Lichen pullus [Pbyscia aquila, Fr. (aquilus, E. Bot. 982)]. Eocks 

 on Haugbmond Hill. 



Lichen puhnonarius [Sticta pulmonacea, AcJi.']. Trees at tbe back 

 of Acton Bumell Hill and below Stiperstones and Frodesley Hill. 



Lichen punctatus [E. Bot. t. 450 : a saxicolar form of Lecanora sub- 

 fusca, Ach.']. Cound churchyard-waU ; Ludlow. 



Lichen pyxidatus [Cladonia pyxidata, Hffm.']. Dry ditch-banks ; 

 common. 



Lichen querneus [Lecidea quernea, AcJi.']. Trunks of oak trees. 



Lichen rangiferinus [Cladina rangiferina {Hffm.) and sylvatica 

 (Linn.)]. Dry heaths ; common. 



Lichen rugosus [according to Fries, Lich. Europ., a fungus, Hysterium 

 riigosum, Dill. Muse, xviii. f. 2]. Trunks of trees. 



Lichen salidnus. (See aurantiacus.) 



Lichen sanguinanus [Lecidea sanguinaria, Ach."]. Trunks of trees. 



Lichen saxatilis [Parmelia saxatiHs, Ach.']. Stones, walls, trunks of 

 trees, and tiles. 



Lichen scriptus [including most probably all the Graphidei]. Trunks 

 of trees. 



Lichen scrobiculatus [Sticta scrobiculata, Ach.]. Stones on Frodesley 

 Hill; Stiperstones ; Caradoc. 



Lichen scruposus [Urceolaria scruposa, Ach.]. Cound churchyard- 

 wall ; Acton Burnell Park -wall ; walls on Harmer Hill. 



Lichen sinuatus [possibly Leptogium scotinum, Fr.]. Rocks about 

 Ludlow. 



Lichen spinosus [probably Cladonia furcata, var. spinosa, Flh, DHL 

 xvi. f. 25]. Stiperstones rocks. 



Lichen sphcerocepJmlus [Calicium sphserocephalum, Ac7i.]. Trunks of 

 trees ; common. 



Lichen stellaris [Pbyscia steUaris, Fr.]. Trunks of trees. 



Lichen suhfuscus [Lecanora subfusca, Ach., and its innumerable 

 forms]. Trunks of trees. 



Lichen subulatns [probably some state of Cladonia furcata, Schcer.]. 

 Heaths and rocks. 



Lichen sulphureus [Lecidea sulphurea, Ach.]. Stone wall by side of 

 the road over Haugbmond HiU ; Cound churchyard-wall. 



Lichen tartareus [Lecanora tartarea, Ach.]. Eocks at the top of the 

 Stiperstones ; Overley Hill ; Caradoc and Frodesley Hills. 



Lichen tremella [possibly Leptogium lacerum, Fr.]. Cound church- 

 yard-wall. 



Lichen tremellokles [possibly Leptogium tremelloides, Fr.]. Springs 

 under theWrekin; stumps of trees and stones on Acton Burnell Hill. 



Lichen Turneri [Lecanora tartarea, 7ar. Turneri (Sm.) E. Bot. 857]. 

 Trunks of old ash trees &c. 



