326 



THE LICHEN FLORA 



tareous, minutely areolato-rimxdose or almost continuous, areolce 

 plane, subverruculose, limited by a more or less conspicuous 

 darkish-brown hypothallus (K y C y) ; apoikecia blackish-brown, 

 minute, numerous, adnate or subinnato-sessile, plane, margin 

 thichish, persistent, more or less fleiuose ; hypothecium colour- 

 less ; paraphyses distinct, apices fuscous ; spores 8, fuscous, 

 1 -septate-oblong, cell, nucleolate, epispore distinct. 

 On rocks, chalks, flints, <fcc., not uncommon. 1842. 



Stn :— Hepp Exs. 319. 320. Zecanora ducoloram, Nyl. in Flora 1868 p. 347. 



Fig :— Hepp Sporen t. 35 f. 319. 320. 



Exs : — Anzi Langob. 193. 195. 



Geoo. Distbib : — Italy, Hungary. 



Bot. Peov:— 1, 2.. .12. ..20. 



England :— Sussex Downs ! Mr. Borrer. (1842). Penzance ! Bev. T. Salwey. 

 Torquay ! Dr. Deakin. between Inge and Staveley ! Mr. Martindaie. East- 

 bourne ! Mr. Boper. 



Ireland : — Whitepoint ! Cork. Mr. Carroll. 



Spores .019 — .021 mm. long, .01 — .011 mm. broad. 



224. L. interpolata, Stirt. fuscous or nigro-fuscous or black, 

 minutely squamuloso-areolate, areolse appressed, contiguous or dis- 

 persed, determinate ; hypothallus black ; apothecia black, small, 

 adnate, plane, margined ; hypothecium colourless ; paraphyses 

 slender, not well discrete, apices fuscous-black, clavate, con- 

 glutinate ; asci saccate ; spores 8, virescent or fuscous, ellipsoid, 

 1-septate, binucleate, nuclei rather large, generally virescent and 

 sometimes conjoined by a tube. 



On rocks, rare. 1877. 



Syn :— Stirton in Scottish Naturalist 4. 165. (1877). 

 Bot. Peov :— 16. 



Scotland : — Near Garve. Dr. Stirton. (1877). 



"Gelatina hymenea I blue then dark-violet, the asci vinoso-fulveBcent." 

 (Stirt.) 



D. Spores 1-septate, colourless. 

 * Hypothecium dark. 



225. L. lutosa, (Mont.) dirty-ochraceous, tartareous, rimoso- 

 areolate, areola; plane, sometimes lobulate, (K — C — ) ; apothecia 

 black within and without, at first innate and immarginate, then 

 appressed, plane, margin thin, prominent, entire ; hypothecium 

 black ; spores 8, colourless, oblong, 1-septate, small. 



On mountain rocks, rare. 



Stn :— Montagne M.S. in Schser. En. 116. (1850). 



Fig :— Hepp Sporen t. 59. f. 506. 



Exs :— Schaer. 579. Zw. 348. Anzi Langob. 360. Hepp506. 



Geog. Disted3 : — Pyrenees, Germany, Switzerland, Hungary, Lombardy 



Bot. Peov :— 1...5...7...10. 



England: — Thirsk, Yorkshire. Mr. Baker. Starcross ! Devonshire! Mr. 

 Parfilt. Llanymynech Hill ! Shropshire. 



Wales : — Cader Idris ! north-west. 



Spores .01—012 mm. long, .005—6 mm. broad. Paraphyses distinct, apices 

 incrassate, nigricant. Excipulum black, hypothecium brown-black. 



226. L. chalybeia, Borr. cinereo-fuscescent or leaden-black, 

 thin, slightly tartareous, minutely cracked, (K— C — ); apothecia 



