32 THE LICHEN-FLORA 



F. polyphyllum, Nyl. rocks Doughruagh, very rare. 1876. Mr. 

 Larbalestier. 



16. L. dei matinum, Borr. olive-green or olive-brown, subcoriaceous, 

 rotundo-lobate ; margins ascending, sinuate or inriso-crenate, 

 smooth or minutely granulate ; apothecia rufous, plane, margin 

 narrow, entire or minutely crenulate ; spores 8, colourless, ellipsoid, 

 3-septate, murali-locular. 



On calcareous rocks, not common. 



Syn :— Borr. in E. Bot. Suppl. t. 2716. (1831). 



Fig :— E. Bot. Suppl. t. 2716, f. 2. 



Bot. Prov:— 1, 2.. .5, 6, 7 . 10...12...26. 



England :— Leigh Wood, near Bristol. Mr. Forster. Keswick ; Malham 

 Cove, Yorkshire ; New Timber Hill, Sussex. Mr. Sorrer. Westmoreland. Mr. 

 Robertson. Pentregaer, Oswestry. Rev. T. Salwey. Devonshire. Sir W. J. 

 Hooker. Barnsley Park, near Cirencester. Mr. Joshua. Swinnop, East "Allan- 

 dale, Northumberland, and Alston, Cumberland. Rev. W. Johnson. Ewen 

 Lane, near Cirencester. Mr. W. Joshua. 



Scotland -.—Mr. Borrer. 



Ireland :— Tulleywee Bridge, Galway. Mr Larbalestier. 



Wales : — Limestone Rocks ! Mr. Griffith in Herb. Borrer. Stackpole, Pem- 

 brokeshire. Rev. T. Salwey. 



17. L. fluviatile, (Huds.) dark olive or olive-black, coriaceo- 

 membrunaceous, laxly imbn'cated, lobate, lobes oblong or obovate, con- 

 vex, proliferous, canaliculate beneath ; apothecia brown, small, globu- 

 lar, sessile, concave, thalline margin smooth, pale ; spores 8, colour- 

 less, obovate, 3-septate, irregularly murali-locular. 



On rocks in mountain streams, rare. 1724. 



Stn :- Hudson Fl. Ang. 534. Ach. Syn. 314. Mudd Man. 40. O. rivulare, 

 Ach. Syn. 326. 



Fig :— E. Bot. t. 2039. 



Bot. Prov : -7...10...13.-..15. 



England :— Malham Cove, Yorkshire. Dr. Richardson. (1724) 



Scotland :— River Isla in Clova. Rev. J. M. Crombie. Bonnington Fall, 

 Lanark. Mr. Borrer. 



Wales :— Snowdon. Dillenius. In River Elwy, about half way from the 

 ford opposite the cave to Pont-Newydd, 4 miles from Denbigh. Mr. Griffith. 



" Spores .016—23 mm. long, .007—9 mm. broad." (Nyl). 



18. L. chloromelum, (Sw.) lead-coloured or plitmbecHvirescent, 

 membranaceous, lobate, plicate, longitudinally rugose, lobes undu- 

 late ; apothecia rufous or fuscorufous, concave or plane, thalline 

 margin thick, rugoso-plicate or furfuraceo-granulate ; spores 8,colour- 

 less, ellipsoid, attenuated at either apex, 3-5-septate, with longi- 

 tudinal septa. 



On mossy trunks in sub-alpine regions, rare. 



Syn :— Swartz FL Ind. Occid. 3. 1892. (1806) ; Ach. Syn. 321. Nyl. Syn 128 

 Exs :— Wright 8. 



Geog. Distrib:— W. Europe, France, Canaries, E. & W. Indies. N. Zealand. 

 Jamaica, Mexico, Brazil, Cuba, Teneriffe. 

 Bot. Prov:— 2...7...19 



England :— Charlton Forest, Sussex. Mr. Borrer. 

 Ireland :— Killarney and Southern counties. M us Hutchins 

 Wales :— Barmouth, lev. T. Salwey. Garth, nearDolgelly Dr Holl 

 "Spores. 020— 37mm. long. .010— 17 mm. broad." (Nyl. J. 



19. L. satumin»m, (Dicks.) plumbeo-fuscescent or olivaceo- 

 fuscous, monophyllous wnd lobato-incised, or polyphyllous and 



