Rev. E. Williams’s List of Shropshire Lichens. 187 
Lichen pulicaris [probably Opegrapha varia f. pulicaris (Hffm.), in- 
cluding also possibly Hysterium pulicare, a fungus}. Trees. 
- Lichen pullus [Physcia aquila, Fr. (aquilus, #. Bot. 982)]|. Rocks 
on Haughmond Hill. 
Lichen pulmonarius [Sticta pulmonacea, Ach.]. Trees at the back 
of Acton Burnell Hill and below Stiperstones and Frodesley Hill. 
Lichen punctatus [E. Bot. t. 450: a saxicolar form of Lecanora sub- 
fusca, Ach.|. Cound churchyard-wall; Ludlow. 
Lichen pyxidatus [Cladonia pyxidata, Hffm.|. Dry ditch-banks ; 
common. 
Lnchen querneus [ Lecidea quernea, Ach.|. 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 
rugosum, Dill. Muse. xviii. f. 2]. Trunks of trees. 
Lichen salicinus. (See aurantiacus.) 
Lichen sanguinarius { Lecidea sanguinaria, Ach.]. Trunks of trees. 
Lichen saxatilis [Parmelia saxatilis, Ach.]. Stones, walls, trunks of 
trees, and tiles. 
ages scriptus [including most probably all the Graphidei].. Trunks 
of trees. 
Lichen scrobiculatus [Sticta scrobiculata, Ach.]. Stones on Frodesley 
Hill; Stiperstones; Caradoc. 
Lichen scrwposus [Urceolaria scruposa, Ach.|. Cound churchyard- 
wall; Acton Burnell Park-wall; walls on Harmer Hill. 
Inchen sinuatus [possibly Leptogium seotinum, Fr.|. Rocks about 
Ludlow. 
Lichen spinosus [probably Cladonia furcata, var. spinosa, Flk., Dill, 
xvi. f. 25]. Stiperstones rocks. 
Lichen spherocephalus [Calicium spherocephalum, Ach.]. Trunks of 
trees; common. — 
Lichen stellaris [| Physcia stellaris, Fr.]. Trunks of trees, 
Lichen subfuscus [Lecanora subfusca, Ach., and its innumerable 
forms]. Trunks of trees. 
Lachen subulatus [probably some state of Cladonia furcata, Scher. |. 
Heaths and rocks. 
Lichen sulphureus [Lecidea sulphurea, Ach.]. Stone wall by side of 
the road over Haughmond Hill; Cound churchyard-wall. 
Lichen tartareus [Lecanora tartarea, Ach.]. Rocks at the top of the 
Stiperstones ; Overley Hill; Caradoc and Frodesley Hills. 
Lichen tremella [possibly Leptogium lacerum, Fr.]. Cound church- 
-_-yard-wall. 
Lachen tremellordes [possibly Leptogium tremelloides, Fr.]. Springs 
under the Wrekin; stumps of trees and stones on Acton Burnell Hill. 
Tachen Turnert [Lecanora tartarea, var. Turneri (Sm.) EZ. Bot. 857). 
Trunks of old ash trees &e. 
