52 THE LICHEN-FLORA 



"Spores .0025 in. long. by .0005 in. broad." (Mudd.) " Spores .010—15 mm. 

 long. .0035—004 mm. broad." (Nyl.) "Spores .010— 15 mm. long. .002—4 mm. 

 broad." (T. M. Fr.) 



i. B icmadophilus, (Ehrh.) glaucescent or whitish, granulato- 

 rugose or subleprose, moderate, (K yellow) ; apothecia pale flesh- 

 coloured, discoid, biatorine, plane, or sub-lecanorine, (K brown) ; 

 spores 6 or 8, fusiform, IS septate ; iod. pale blue. 



On the earth, not common. 



Syn : — L. icmadophilus, Ehrh. Phytogr. No. 40. Nyl. Syn. 183. Mudd 

 Man. 64. 



Fig:— E. Bot. 372. Nyl. Syn. t. 6. f. 7, 8, 9, 10, 11. & t. 7. f. 2. 



Exs :— M. & N. 173. Tuck. 43. Mass. 5. Anzi It. S. 224. Hepp 137. Mudd 

 32. Fellm. 24. Schffir. 46. Keich. & Schub. 27. Leight. 209. 



Geog. Distrib :— Europe, N. America, E. Indies. 



Bot. Pkov :— 2...4...8...10...26. 



England : — Matlock. Sir J. E. Smith. Yorkshire ! Mr. Dixon. Guisboro' 

 Moor ! and Oggeray Gill ! Cleveland. Mr. Mudd. Bedfordshire. Rev. G. Abbott. 

 Houghton Moor, Yorkshire. Mr. Teesdale. Moughton, near Settle. Dr. Windsor. 

 Ardingley, Sussex. Mr. Larbalastier. 



Scotland : — Long Island. Prof. Balfour. Den of Balthayock, Perthshire i 

 Dr. Ogilvie. Grampians, ttev. J. M. CromMe. Ben Lawers ; Ben More j Crain- 

 larich. Dr. Soil. 



Ireland : — Pass of Keim->wi-Eigh-Wist, co. Cork ! Mr. Carroll. Salrock ! 

 Kylemore ! Connemara. Mr. Larbalastier. 



Wales : — Cwm Bychan ! Rev. T. Salvxy. near Dolgelley ! 



" Spores .0035 to .0045 in. long, by .001 in. broad." (Mudd.) "Spores .013—27 

 mm. long, .004— 6 mm. broad." (Nyl.) "Spores .013—27 mm. long, .004—6 

 mm. broad." (T. M. Fr.) Spores .033 mm. long. .008 mm. broad. 



Tribe IV. CLADONIEI. 

 Thallus partly or entirely laciniato-foliolose, or squamoso- 

 foliolose, or fruticulose or csespitose, with fistulose podetia, often 

 ramose. Apothecia biatorine, or cephalodine, convex, immar- 

 ginate, on the podetia, rarely on the leaflets. Spores simple. 



I. CLADONIA, Hoffm. 



Thallus either tubulose or laciniiform, podetia generally dilated 

 at the apex into scyphi ; thallus generally foliolose, or squamulose 

 at the base, sometimes only granuloso-crustaceous. Apothecia 

 Variously coloured, but never black, internally hollow. Spores 

 Bmall, oblong. 



Sub-genus I. Pycnothelia. Ach. Duf. Nyl. 



is ; podetia clavate, ps 

 apothecia fuscous. 



* Reaction, (K+C-). 



Thallus crustaceous ; podetia clavate, papiUseform, simple or 

 branched, glabrous ; apothecia fuscous. 



1. P. papillaria, Duf. pale and yellowish, granuloso-crustoxemis; 

 podetia small (£ inch), erect, clavato-ct/lindrical, simple or 

 branched. 



Heathy ground, not common. 



Stn :— Duf. Rev. Clad. 5. (1818). NyL Syn. 185. 



Fig :— E. Bot. t. 907. Dill. t. xvi. f. 28. Sturm D. F. t 22 



Exs :— Leight. 208. 



Geog. Distbib : — Europe, N. America. 



Bot. Peov :— 2...5...7, 8.. .10, 11, 12...15, 16.. .19. .23, 24.. .26. 



