432 



THE LICHEN-FLORA 



even or rugose / lirella black, immersed, broad, simple or branched 

 in a sub-radiate sub-parallel manner ; perithecium lateral ; epithe- 

 cium plane, naked or pruinose ; proper margin very narrow ; thallo- 

 dal margin thin and membranous ; spores 8, fuscescent, linear or 

 elongato-linear, apically rounded, containing 6-8 transversely oval 

 margined cells. 



On trees, oak, hazel, thorn, beech, sycamore, frequent. 1807, 

 Forma vera, Leight. lirellse radiate, like Chinese characters, 



Syn :— Aeh. Syn. 85. (1817.) G. Smithii, Leight. Br. Graph. 41. 42. NyL 

 Prodr. 150. Mudd Man. 240. 



Fig :— E. Hot. t. 1813. Leight. Br. Graph, t. 6. f. 22. 



Exs :— LarbaL 89. 



Geog. Distbib :— Europe, France, Prussia, Asia, America. 



Bot. Pbov :— 1, 2, 3 5...7, 8...19...30, 31. 



England : — Sussex ! St. Leonard's Forest ! Mr. Borrer. (1807). Malvern 

 TTilla ! Mr. Lees. The Lodge near Ludlow ! Rev. T. Salwey. Harpford Wood, 

 Devon. Miss Attwood. Inworth, Essex. Mr. Varenne. Epping Forest. Rev. J. 

 M. Crombie, 



Channel Islands : — Guernsey ; Beaumont, St. Lawrence ! St. Peter's 

 Valley ! Kozel Manor ! Jersey. Mr. Larbalestier. 



Spores .028 — .035 mm. long, .009 mm. broad. 



forma elongata, Leight. lirellse much more simple, slightly 

 branclved, lineari-oblong or lanceolate, extremities acute. (Leight. 

 Br. Graph. 42.) 



England : — Sussex ! Mr. Borrer. Pod's Wood ! Messing, Essex. Mr. Varenne. 

 Ireland : — Bangor, co. Down ! Mr. Thompson. Kylemore ! Mr. Larbalestier. 

 Wales :— Corsygedol! near Barmouth. Rev. T. Salwey. Gloddaeth! Carnar- 

 vonshire. 

 Channel Islands :— St. Lawrence ! Jersey. Mr. Larbalestier. 



forma divaricata, Leight- lirellae with a simple branch at right 

 angles. (Leight. Br. Graph. 42.) 



England : — Sussex ! Mr. Borrer. Gopsall ! Leicestershire. Rev. A. Bloxam. 

 Oxfordshire ! Mr. Baxter. 

 Ibeland : — Dunscombe's Wood ! Cork. Mr. Carroll. 

 Wales :— Dolgelley ! 

 Channel Islands : — Beaumont ! Jersey. Mr. Larbalestier. 



forma simpliciuscula. Leight. lirellse smaller, simple, scattered. 

 (Leight. Br. Graph. 42. Larbal. 90.) 



England :— Sussex ! Mr. Borrer. Marks Hall Wood ; Pod"s Wood, Messing, 

 Essex. Mr. Varenne. 

 Ibeland : — Castlebernard Park ! Cork. Prof. Hincks. 

 Wales : — Gwydir Woods ! Bettws-y-coed. 

 Channel Islands : — Kozel ! Jersey. Mr. Larbalestier. 



forma macularis, Leight. lirellse small, numerous, crowded, 

 rounded or oblong. (Leight. Br. Graph. 42. Exs. 285.) 



England : — Sussex ! Mr. Borrer. Ragley Wood near Oxford ! Mr. Baxter. 

 Llandrindod! Rev. T. Salwey. Marks Hall Wood; Essex. Mr. Varenne. 

 Ickworth Park and Great Glennam, Suffolk. Rev. E. N. Bloomfield. 



Ibela:<d : — Bangor and Cultra and Holywood House, co. Down ! Mr. 

 Thompson. Castlebernard Park ! Blarney ! Cork. Mr. Carroll. 



Wales : — Ynysfaig ! near Barmouth ; Dolgelley ! 



Channel Islands :— St. Peter's Valley ! Jersey. Mr. Larbalestier. 



6. G. Lyellii, Sm. pale-olive, thin, ceraceo-membranaceous, 

 smooth ; lirellas brownish-black, prominent, sessile, oblong or 

 lineari-oblong, simple, curved ; perithecium carbonaceous, entire ; 



