THE LICHENS OF SOUTH LANCASHIRE. 109 
PLATYSMA GLAUCUM, Nyl. On walls, rocks, and occasionally on tree-trunks. 
Not uncommon, locally, in some of our upland districts, but very rare in 
the low country. Sterile, and often in a stunted condition. 
* Lichenoides endivie foliis crispis, splendentibus, subtus nigricantibus, 
Rich. Richardson, in pascuis montosis Emmot More dictis prope Coln." 
Hist. Muse. (1741) p. 192. Littleborough, herb. Molineux ; Brinscall, 
(т. H. Hopley ! ; Blacko Foot, Wycollar, and other places in the neigh- 
bourhood of Colne, H. Robinson ! ; on mossy boulders, Watermeetings 
near Colne ; on an old piece of timber in the sandhills, Freshfield, April 17, 
1909. Common on trees, Ings Beck near Chatburn, June 1914. 
[f. AMPULLACEUM, Cromb. · Lichenoides saxatile tinctorium foliis 
latioribus non pilosis, vesiculas proferens, Dill. in Ray Syn. ed. 3, 
р. 74, п. 71. “ Lichenoides tinctorium glabrum, vesiculosum, The Bladder 
Cork, .... Rich. Richardson in pascuis montanis, Emmot Pasture, 
dietis prope Coln . . . ." Dillenius, Hist. Muse. p. 188. * Lichen ampul- 
laceus. Оп Emot Pasture, near Coln, Lancashire, Richardson, who sent 
a specimen of it to Dillenius," Withering, ed. 3, iv. p. 61; ed. 4 (1801) 
р. 60. “А monstrosity caused by the presence of the parasite, Abro- 
thallus Smathii, near Colne, where it was originally detected," Mon. Brit. 
Lichens, i. p. 227.] See under ВиеШа Parmeliarum, Н. Olivier. 
PARMELIACEJZE. 
Evernia Prounastri, Ach. On tree-trunks. Very rare, and so poorly 
developed as to be barely recognisable. 
Langho, Vict. Hist. Lancs., р. 83. 
EVERNIA FURFURACEA, Fr. Оп Millstone Grit rocks and walls in the hills. 
Rare, all our records referring to the Forest of Pendle area. Stunted 
and always sterile, but appears to resist smoke better than the next 
preceding. 
Pendle НШ; on a wall at Blacko Tower, near Colne |, rocks above 
Wyoollar !, walls near the golf-links, Colne, Æ. Robinson! 
The f. scopicina, Nyl., sparingly on the top of a sandstone wall, 
Twiston Moor, June 1914, C. B. Travis & W. ©. T. 
PARMELIA SAXATILIS, Асһ. On walls and rocks of sandstone and gritstone, 
not uncommon ; also on trees in the less smoke-affected parts of our 
area. Sterile. 
PARMELIA SULCATA, Tayl. On tree-trunks and also on old walls. Not rare. 
Sterile, and rarely well developed. 
Near Netherton, 1904; Maghull ; on a tree by the Ribble, Chatburn, 
А. А. Dallman $ J. А. W.; wall on the sandhills, Hightown, Jan. 1905; 
