OF GREAT BRITAIN. 11 



Attention to the regular transverse arrangement, grouping and size of the 

 granula gonima will distinguish this from Ephebe pnbescens which it generally 

 resembles. 



"Spores .009 mm. long, .004 mm. broad. Gelatina hymenea I. intense blue 

 then dusky violet." (Nyl.) Spores .009 mm. long, .004 mm. broad. 



2. Sp. revertens, Nyl. black or fuscous-black, effuse, minutely coral- 

 loideo-compact, more generally forming small verrucose pnlvinuli, 

 more or less crowded ; apothecia black, lecideine, adnate, somewhat 

 convex, immarginate, internally entirely obscurely cinerascent ; 

 spores 8, colourless, oblong, simple, the thin lamina of the apothecium 

 somewhat cserulescent ; epithecium black , paraphyses thichish, 

 their apices incrassate denigrate ; hypotliecium not obscurate ; gela- 

 tina hymenea I. blue, the apices of the thecse more intensely 

 tinged. 



On granitic and micaceo-schistose rocks, rare. 1863. 



Syn :— Nyl. in Flora 1865 p. 601. 



Geoq. Distbib : — Finland, Eastern Lapland. 



Bot. Prov . — 15. 



Scotland : — Ben Lawers and Craig Tulloch (but only in sterile state, there- 

 fore uncertain). Rev J. M. Crombie (1863). 



"On the thallus occur minute colourless immersed globose pycnides with 

 curved stylospores. Spores .003— .011 mm. long, .005— 6 mm. broad." (Nyl.) 



3. Sp. Scoticum, Nyl, black or fuscous, effuse, minutely coralloid, 

 in small compact verrucose pulvimdi ; apothecia black, minute ; 

 epithecium impressed or somewhat convex ; hypotliecium colorless ; 

 spores 8, colourless, oviformi-oblong, \-septate ; paraphyses slender, 

 distinct ; gelatina hymenea tinged blue, the asci violet, by iodine. 



On alpine micaceo-schistose rocks, rare. 1869. 



Stn :— Nyl. in Flora 1869, p. 82 ; Crombie En. 1. 

 Bot. Prov :— 15. 



Scotland : — Ben Lawers. Rev. J. M, Crombie. (1869). 

 " Spores .010—14 mm. long, .0045 mm. broad." (Nyl.) 



III. LICHINA. Ag. 



Thallus fuscous-black, fruticulose, firm, granula gonima 

 cserulescent. Apothecia terminal in globose thalline receptacles, 

 lecanorine, subpyrenoid. Spores 8, colourless, ellipsoid, simple. 

 Spermatia oblong. 



I. L. pygmcea, (Lightf.) csespitose, ramose, small, compressed 

 upwards. 



On maritime rocks, not unfrequent. 1777. 



Syn -.—Fucus pygmceus, Lightf. Fl. Scot. p. 964 (1777) Lichina, Agardh. Syn. 

 9, (1817) ; Nyl. Syn. 91, Scand. 24, Mudd Man. 33. 



Fas — E. Bot. 1. 1332. Grev. Scott. Crypt, t. 219. Tiilasne Mem. Lich. t. 9, 

 f. 1-6. Ann. and Mag. Nat. Hist. July, 1865, t. 4, f. 21. Nyl. Syn. t. 2, f. 16. 

 Lightf. 1. c. t. 32. 



Exs :— Leight. 260. Hepp 423. Larbal. 51. 



Geog. Distrib : — Europe, Scandinavia, Chili. 



Bot. Pkov:— 1...6...10, 11. .14...18...23...26..30, 31. 



England :— Cornish Coast ; Devonshire ; Dorsetshire ; Sir J. E. Smith. 

 Mount's Bay ! Cornwall. Mr. Rolfs. Torquay ! Devon. Dr. Deakin. Culler- 

 coats Pier, Northumberland. Mr. BnJcer. Huntclift, Cleveland. Mr. Mudd. 

 Bocks near Shaldon, Babbicombe, Torquay. Mr. Parfitt. 



Scotland :— Leith and Newhaven ; Hebrides, Sir J. E. Smith. Isles of 

 Jura, Iona, Firth of Forth. Rev. J. IAghtfoot. (1777), 



