444 



THE LICHEX-FLORA 



On earth and on walls, rare. 1794. 



STtr:— Ach. L. U. 298. (1810.) Nyl. Scand. 265. E. Hedioigii, Leight. Aug. 

 Lich. 14. 



Fig :— E. Bot. 595. Leight. 1. e. t. 3. f. 3. 



Exs :— Nyl. 87. Schser. 115. Hepp 220. M. & N. 441. Leight. 135. 



Geog. Distbib : — France, Italy, Switzerland, Germany, Africa, N. America. 



Bot. Peov :— 1, 2...4, 5, 6, 7.. .11.. .15. 16.. .19. 



England : — Near Croydon. Mr. Dickson. (1794.) Norfolk. Mr. Turner. Sussex 

 Downs ! Mr. Borrer. Newmarket Heath ! Rev. T. Salwey. Chance's Pitch ! 

 Malvern Hills. Mr. Lees. Penzance. Rev. J. M. Cronibie. Eglestone, Durham. 

 Rev. J. Sarriman. Plymouth. Mr. Holmes. Blackstone Bock, Devon. Dr. Dickie. 

 Wall of Moor Park, near Ludlow ! 



Scotland : — Ben Nevis. Serb. Hook. Killin and Appin. Rev. J. M. Crombie. 



Ireland : — Dunkerron, Kerry. Dr. Taylor. Lota, Cork. Mr. Carroll. 



Walks : — Dolgelley. Dr. Holl. between Barmouth and Borthwen, and Cader 

 Idris. Mr. Rolfs. Tenby ! 



" Spores .011—14 mm. long, .006—7 mm. broad." (Nyl.) Spores .012— .015 

 mm. long, .006 — .008 mm. broad. 



f. exiguum, Nyl. pale or pale-yellowish, squamose, squamulse 

 small, closely adnate, very thin, rotundate, scattered. 

 On earth, rare. 



Syn :— NyL Prodr. 176. 



Exs :— Nyl. 88. Mass. 16L Zw. 403. 



Geog- Distrtb : — France, Germany, Switzerland, Italy. 



Bot. Peov:— 10...31. 



England : — Sutton Bank ! near Thirsk, Yorkshire. Mr. Baker. 



Channel Islands : — Beauport Bay ! Jersey. Mr. Larbalestier. 



" Spores. 010-13 mm. long, .0055 mm. broad." (Nyl.) 



IV. VERRUCARIA, Pers. Nyl. 



Thallus mucoso-gelatinous, or continuous and smooth, or 

 rimuloso-areolate, or areolato-difiract, or pulverulent, or squamu- 

 lose, or evanescent. Apothecia pyrenodine, perithecium black, 

 rarely pale or coloured, entire or dimidiate, semi-immersed or 

 sessile. Spores 2, 4, 8, or numerous, simple or variously septate, 

 or locular, colourless or fuscous. 



A. Spores simple. 

 * Thallus mucoso-gelatinous. 



1. T r . mucosa, Whlnb. olivaceo-or nigro-wrescent, mucoso-gelati- 

 nous, smooth, continuous, thickish, diffuse or frequently in orbicular 

 zonate patches ; apothecia black, very minute, punctiform, innate 

 and immersed, scarcely prominent above the thallus ; ostiolum ap- 

 pearing only as a thin, circular Hack ring surrounding the large 

 depressed, umbilicate epithecium ; perithecium dimidiate ; para- 

 physes none ; spores 8, colourless, minute, lineari-ellipsoid, simple, 

 frequently polari-nucleolate ; gelatina hymenea yellowish-red with 

 iodine. 



On maritime rocks, not frequent. 



Syn :— Whlnb. in Ach. Meth. Suppl. 23. (1803.) Nyl. Scand, 275. 



Exs :— Th. M. Fries 75. 



Geog. Distbib : — Sweden, Lapland, Norway. 



Bot. Pbov :— 13, 14...16...19...23...26...30, 31, 



