268 i.icHEXACEr. [sxicxina. 



Meriniiethshire ; Eettws-y-C'ned and Trefriw, Deubiyliishire; near Banfror, 

 Caruarvonshire ; Island of Angle.sea ; Ambleside and near Kydal, West- 

 moreland ; Keswick and Ennerdale, Cuniberlaud. New Galloway, Kirk- 

 cudbrightsbire ; Falls of Clyde, Lanarkshire ; Inverary, Appin, and head 

 of Loch Awe, Argyleshire ; Leny Falls near Callander, Glen Lochay, and 

 Glen Lyon, Perthshire ; Craig Cluny, Braemar. Aberdeenshire ; Apple- 

 cross, Ross-shire. Killarney, co. Kerry ; near Kylemore, co. Galway. 



4. S. limbata Xyl. 8yn. i. (186U) p. 346.— Thallus moderate 

 or small, monophyllous, scarcely rigid, smooth or very slightly 

 scrobiculato-uiiequal, somewhat or but little shining, roundly lobed, 

 glaucous-lurid or pale cervine-brown : beneath pale, more or less 

 tomentose with whitish cyphellse ; lobes broad and rounded, sprinkled 

 on the surface with scattered cajsio-greyish soredia, and densely 

 similarly sorediate towards the margins. Apothecia unknown. — • 

 Leight. Lich. Fl. p. 115, ed. 3, p. 108. — Stictimi fuUginosa subsp. 

 Umhata Cromb. Lich. Brit. p. 30. Sticta Ihnhata Grav, Xat. Arr. i. 

 p. 431 : Hook. Fl. Scot. ii. p. 59 : Sm. Eng. Fl. v. p. 206 ; Tayl. in 

 Mack. Fl. Hib. ii. p. 152 ; Mudd, Man. p. 88. Lichen Ihnhatas 8m, in 

 Eng. Bot. xvi. (1803) t. 1104. Lichenoides faliginosum et pulvcra- 

 lentum, scideUis riibiginosis Dill. Muse. t. '2Q. f . 100 b, c. — Brit. 

 Exs. : Larb. Caesar, n. 15 ; Cromb. n. 35. 



Distinguished from the preceding by the paler thallus, the absence of 

 isidia, and the presence of greyish or sordidly ctesious soredia. The 

 thallus is usually small, and is either strictly monophyllous or sublobate 

 at the circumference. The fructification is not known ; the parasite 

 Abrothallus Welwitziichii, sometimes found on the thallus, might be 

 mistaken for apothecia. 



Hub. On the mossy trunks of trees, and on shady rocks among mosses 

 in wooded upland regions. — Distr. General and not imcommon, though 

 chiefly in the Western portions of Great Britain and Ireland; rare in the 

 Channel Islands. — B. M. : Rozel, Island of Jersey; J erbourg, Island of 

 Guernsey. Near Hyde, Isle of Wight; Lydd, Kent ; Lyndhurst, New 

 Forest, Hants ; Shaugh, Ilsham Walk, Torquay, Dartmoor, and near 

 Exeter, Devonshire ; Boconnoc, Withiel, near the Tavy, and near Pen- 

 zance, Cornwall ; Hay Coppice, Herefordshire ; Malvern, \\'orcestershire ; 

 Hafod, Cardiganshire ; Dolgelly and Barmouth, Merionethshire ; Bettws- 

 y-Coed, Denbighshire ; Capel Curig and near Bangor, Carnarvonshire ; 

 island of Anglesea ; near Stavelv, Kendal, AVestmoreland ; Teesdale, 

 Diu'ham; The Cheviots, Northumberland; Thornthwaite, Cumberland. 

 New Galloway, Kirkcudbrightshire ; Beld Craig, Moffat, Dumfriesshire ; 

 Falls of the Clyde, Lanarkshire ; Tui-fin Hill, near Edinburgh ; Inverary 

 and Appin, Argyleshire ; Loch Katrine, Pass of Leny, and Glen 

 Lochay, Killin, Perthshire ; Clova, Forfarshire ; Craig Cluny, Braemar, 

 Aberdeenshire ; Glen Nevis, Inverness-shire ; Island of Skye. Near Bel- 

 fast, CO. Antrim ; Aghada, Cork Harbour, and Castlebernard Park, Ban- 

 don, CO. Cork ; Cromaglown, Killarney, and Old Dromore, co. Kerry. 



5. S. sylvatica Nyl. Syn. i. (1860) p. 348.— Thallus large, 

 rather rigid, subopaque, scrobiculato-unequal, laciniato- lobed, cer- 

 vine or greyish-brown ; beneath tomentose, brown or brownish, 

 paler at the circumference, Avith j)ale cyphellae ; lobes variously 

 divided, rounded, crenulate, above slightly furfuraccous, the divisions 



