282 



THE LICHEN-FLORA 



On alpine rocks, rare. 



Stn :— Smmrf. Lapp. 92. (1826.) 



Exs :— Mudd 123. 



Geog. Distbib : — Norway, Pyrenees. 



Bot. Pbov:— 3...5...7...10...15 .26. 



England :— Guisbro' Moor ! Cleveland. Mr. Mudd. Malvern Hills. Dr. HoU. 

 Bergholt ; Copford, Essex. Mr. Varenne. Church Stretton ! Lyth Hill ! 



Scotland : — Kinnoull TTill ! Perth. Dr. Lindsay. Ben Lawers. Dr. Boll. 

 Glen Nevis ; Loch Callater. Craig Tulloch. Rev. J. M. Crombie. 



Wales :— Cader Idris ! Cwm CSvlyd ! 



Ireland : — Doughruagh Mountain ! Galway. Mr. Larbalestier. 



Spores .022 mm. long, .011 mm. broad. 



forma dispersa, Leight. convex verrucse of thallus scattered and 

 dispersed ; hypothallus black, predominating ; apothecia prominent, 

 almost tubercular, spurious thalline margin conspicuous, minutely 

 crenulato-laciniate. 



On rocks, rare. 1875. 



Bot. Pbov :— 26. 



Ireland : — Near Eynvyle ! co. Galway. Mr. Larbalestier. 



forma variolosa, Fw. thalline margin white and leprose or powdery, 

 connivent over and concealing the epithecium. 

 On rocks. 



This state is frequently observable in conjunction with /. elacista. 

 Stn :— Flotow Lich. Siles. 120. (1850.) 

 Geog. Distbib : — Silesia, Hungary, Switzerland. 

 Bot. Pbov :— 5. 

 England : — Nordy Bank ! Shropshire. 



forma depauperata, Leight. thallus entirely obliterated, apothecia 

 naked and prominent. 



On rocks and stones washed by water. 1866. 



Bot. Pbov :— 7. 



Wales :— Cader Idris! n.w. escarpment (1866. )Drwsynant ! AranMowddwy ! 

 Pass of Uanberis ! Cwm Cywion ! 

 Spores .0225 mm. long, .0105 ram. broad. 



forma terrestris, growing on the earth in crevices of rocks and walls. 



Wales : — Moel-y-gest ! 



114. L. prcerimata, Nyl. white or whitish, continuous, rimose, 

 rimoe subareolate or everywhere subparallelo-radiant, with convex or 

 confluent soredia, (K — C red) ; apothecia fuscous, biatorine, super- 

 ficial, but imperfect and without spores. 



On felspathic maritime rocks, rare. 1876. 



Stn :— Nyl. in Flora 1876. p. 235. 

 Bot. Pbov :— 31. 



Channel Islands: — Jersey. Mr. Larbalestier. (1876.) 



Possibly a subspecies of L. coarctata, with which it agrees in reaction of 

 thallus. 



115. L. rnesotropoides, NyL cinerascent, verrucoso-areolato- 

 diffract, areolae convex, (K yellow, medulla I — ) ; apothecia fuscous- 

 black or nigricmd, at first plane, margined, at length convex, 

 prominent, immarginate, lamina thin, exciptdum circumcingent ; 

 hypothecium colourless ; spores 8, colourless, ellipsoid, short, 

 simple. 



On old limestone walls, 1871. 



