122 THE LICHEN-FLORA 



Var. scortea, (Ach.) orbicular, sinuato-lobate, lobes short, rotund, 

 undulate, margin inciso-crenate, centre of the thallus isidiiferous 

 and pulverulent ; medulla white C red. 



On trees, palings, &c. 1809. 



Stn :— Ach. Prodr. 119. Nyl. Syn. 383. Mudd Man. 93. 



Fig :— E. Bot. 2065. 



Exs .— Anzi It. S. 103. Hepp 855. b. and 581. M. & N. 445. Mass. 328. 

 Leight. 87. Schajr. 359. 



Geog. Distbeb : — Europe, S, America, Ceylon. Africa, Mauritius. 



Bot. Pbov :— 1, 2.5, 6, 7...11...13...19...20...26...31. 



England :— Henfield ! Sussex ; Portnalls and on Farthing Down ! Stone- 

 henge ! Livermere ! Rev. G. R. Leathes. (1809). Little Stretton, Shropshire ! 

 Rev. T. Scdwey. Staveley, Kendal ! Mr. J. A. Martindale. Twycross, Leicester- 

 shire ! Harbro' Magna ! Warwickshire. Rev. A. Bloxam. Bolt Head, S. 

 Devon ! Dr. Boll. Foggerforth near Eglestone, Durham ! Rev. J. Hwriman. 

 Haldon, Devon. Mr. Parfitt. Church Stretton ! co. Salop. 



Scotland : — Caerlaverack, Dumfries ! Dr. Lindsay. 



Ibeland : — Ballymartle, co. Cork ! Mr. Carroll. Askew Wood, co. Kerry ! 

 Dr. Taylor. Tully ! Galway, Mr. Larbalestier. 



Wales : — Holyland ! and Barmouth, Rev. T. Salwey. near Dolgelley. Dr. 

 Holl. Pen-y-rhu ! near Fishguard. Forden ! Montgomeryshire. 



Channel Islands : — L'Etacq, Jersey ! Guernsey. Mr. Larbalestier. 



Var. sublcevigata, Nyl. pinnatifido-divaricate, lacinise oppressed, 

 linear, narrow, distinct, sinuato-incised, apices truneato-furcate, 

 very atro-rhizinose beneath ; medulla white C red. 



On trees, &c. 



Stn :— Nyl. Syn. 383. (1860). 



Exs : — Spruce Amaz. 156. 



Geog. Distbd3 : — Europe, Central America. 



Bot. Pkov :— 1, 2. ..19. 



England : — Bournemouth ! Rev. A. Bloxam. near Exeter ! Prof. Dickie. 



Ireland : — Dunkerron ! Dr. Taylor. 



Var. concentrica, Leight. sphcerico-conglomerate, growing in in- 

 volved concentric layers ; medulla white C red. 

 On exposed downs, rare. 



Stn :— Leight. Exs. 232. 



Fig :— Gard. Chron. 1856. p. 84. and 172. 



Exs :— Leight. 232. 



Geog. Disteib : — Europe. 



England: — Melbury Hill near Shaftesbury, Dorsetshire! Sir W. C. 

 Trevelyan. 



Dr. Holl in litt. says, " from Bolt Head I have a variety which approaches 

 your concentrica but is isidiiferous." 



14. P. Borreri, (Turn.) cinereo-glaucescent, becoming pale 

 brown when dry, oppressed, imbricate, rugulose, albo-punctate or 

 albo-sorediate, lobes broad and rotundate, under surface fuscous or 

 pallescent ; apothecia badio-rufous, margin elevated, inflexed ; 

 spores 8, colourless, elliptical, simple ; medulla white C red. 



On trees and rocks. 1807. 



Stn :— Turn, in Linn. Trans. 9. 148. (1808.) Ach. Syn. 197. Nyl. Svn. 389. 

 Mudd Man. 94. 



Fig :— E. Bot. 1780. Linn. Tr. 9. 1. 13. f. 2. Mudd Man. t. 2. f. 29. 



Exs :-- -Hepp 582. Schaer. 361. Leight. 231. Larb. 20. AthH Langob. 374. Zw. 

 251. M. andN, 634. Mass. 107. Wagner 13. 



Geog. Distkib :— Europe, Africa, Asia, America. 



Lot. Peov :— 1,2, 3, 4, 5, 6, 7, 8...19, 20...22...26...31. 



England: — Sussex. Mr. Borrer. (1807.) Norwich and ColtishalL Mr. D. 

 Turner. Twycross, Leicestershire ! and near Braunston ! Rev. A, Bloxam. Pen- 



