OF GREAT BRITAIN. 23 



undulate, lobulate, margins erect, under surface albo-Jibrillose ; 

 apothecia moderate, scattered, numerous, very shortly stipitate, 

 reddish-brown, plane, proper margin very thin and obscure, thalline 

 margin thickish, granuloso-rugulose ; spores 8, colourless, lineari- 

 oblong, 3-septate. 



On stone-walls, rare. 



Syn :— Korb. S. L. G. 414. (1855) ; Arnold in Flora 1867 p. 135. Crombie in 

 Journ, Bot. n.a. 2. 133. Synechoblastus complicatus, Mudd Man. 44. {in part). 



Fig :— Mudd 1. c. 1. 1. i. 6. Hepp Sporen, 1. 106. f. 931. Arnold in Flora 1867. 

 t. 4. f. 81—84. 



Exs : — Hepp 931. Anzi Langob. 5. 



Geog. Distrib : — Pyrenees, Italy, Switzerland. 



Bot. Pbov:— 11. 



England :— Near High Force Inn, Teesdale, Durham. Mr. Mudd. 



Crombie 1. c. says, " Distinguished by having the thallus broader, and the 

 spores 3-septate and obtuse at either apex, but apparently a somewhat doubtful 

 British lichen." 



**** Spores pluriseptate. 



21. 0. stygium, (Del.) black, laciniate, laciuiaB deeply incised, 

 rotundato-lobate at the extremities; apothecia atro-rufous. 



On stone walls, and calcareous rocks, rare. 



SYN:-Sch;er. Spic. 544. (1840). Arnold in Flora 1867, p. 135 and 141. 

 Crombie in Journ. Bot. n. s. 2. p. 132. 



Fig :— Whlnb. N. Act. Stockh. 27. p. 145, t. 4. f. 5. Flora 1867. t. 3. f. 69—72. 



Geog. Distrib : — Switzerland. 



Bot. Prov :— 5. . .11, . . .12. . .26. 



England : — Near High Force Inn, Teesdale, Durham. Mr. Mudd. near 

 Kendal, Westmoreland. Mr. Martimdale. Shipton ! Ablington ! Gloucestershire. 

 Mr. Joshua. 



Ireland : — Kylemore Lake. Mr. Larbalestier. 



Crombie 1. c. says, " Similar to the preceding species, but with 3-5-septate 

 spores." 



22. C. flaccidum, Ach. dark-green or fuscous-green, membrana- 

 ceous, undulato-plicate, lobate, lobes large, expanded, jlexuose ; 

 apothecia rufescent, plane, margin entire ; spores 8, colourless, 

 ovoid or broadly fusiformi-oblong, 4-6-septate. 



On rocks and walls and trees in mountainous districts, not 

 unfrequent, but rare in fruit. 1783. 



Syn :— Ach. Syn. 322. (1817). Nyl. Scand. 29. 



Fig:— E. Bot. 1. 1653. 



Exs :— M. k N. 1059. Zw. 166. Scha>r. 412. Leight. 345. 



Geog. Distrib: — Europe. 



Bot. Prov:— 1, 2...5...7...10...12...15...19, 20.. .26, 27...30. 



England : — Westmoreland. Sir J. E. Smith. (1783). Devonshire. Mr. 

 Dickson. Pyecombe, Sussex. Mr. Borrer. Sidmouth. , Rev. T. Salwey. Bolton 

 Woods. Dr. CarrimgUm. near Exeter. Adm. Jones. Rievaulx, Yorkshire. Mr. 

 Baker. Holwick, Yorkshire. Mr. Robertson, Plymouth and Budleigh Salterton. 

 Mr. Parfitt, Llanymynech Hill ! Llanyblodwel Rocks ! Shropshire. 



Scotland : — Northern parts. Mr. Dickson. Kinnoull Hill, Perth. Dr. Lindsay. 

 Killin. Rev. J. M. Crombie. Kenmore, Perthshire. Dr. Boll. Reeky Linn ; Clova. 

 Mr. G. Don. 



Ireland : — Bantry, Miss Butchins. Mallow and Castlemartyr, co. Cork, Mr. 

 Carroll. Moyne Abbey, co. Mayo and Ben Bulben, Sligo. Dr. Dickie. Killarney. 

 Dr. Carrimgton. Aghalee Bridge, Lagan Canal. Dr. Moore, Kylemore Lake, Mr. 

 Larbalestier. 



Wales :— Trecastle ; Cader Idris. Mr. Rolfs. Harlech. Mr. Borrer. Cors- 

 ygedol ; Rhaiadr Du, near Barmouth. Rev. T. SaVmey. Barmouth ! Bettws-y- 

 coed I Tremadoc ! 



Channel Islands: — St. Martin's, Jersey. Mr Larbalestier. 



"Spores .023— 28mm. long, .007—010 mm. broad." (Nyt) 



