434 



THE LICHEN-FLORA 



9. G. sophistica, Xyl. pale-whitish-yellow or cream-colour, thin, 

 membranaceous, continuous, smooth or slightly uneven ; lirellxB 

 black, emergent, slender, contracted here and there, simple or 

 branched, wavy and scattered, extremities acuminate ; perithecium 

 lateral ; epithecium rimceform, naked ; pro/per margin thin, elevated, 

 wavy and crisped ; thallodal margin membranaceous ; spores 8, 

 colourless, oblong or ellipsoid, murali-multilocular. 



On trees, oak, frequent. 



Syn :— Nyl. N. Gran. 74. (1864.) Gr. scripta, Leight. Br. Graph, p. 27, and 

 Gr. pvZverulenta, Leight. Br. Graph, p. 31. 

 Fig :— Leight. Br. Graph, t. 6. f. 17. 

 Exs :— Lindig 71. 



Geog. Disthb : — France, N. Granada, N. Zealand. 

 Bot. Pbov:— 2, 3...5...7, 8...11...13, 14, 15...19...33. 



The following forms are noticeable. 



forma diffusa, Leight. lirellas rather long, simple or with a 

 single branch, variously curved and wavy, lying in all directions. 

 (Leight. Br. Graph p. 27. BohL 28.) 



England : — Sussex ! Mr. Borrer. Stoke Wood, Exeter. Mr. Parfitt. 

 Ibeland :— Cultra ! co. Down ; Colin Glen ! Belfast. Mr. Thompson. 

 Wales : — Edderton ! Montgomeryshire. Bettws-y-coed ! 

 Spores .037 — .040 mm. long, .0165— .025 mm. broad, 

 forma flexuosa, Leight. lirellae elongated, simple or branched, 

 flexuose. (Leight. Br. Graph, p. 26. Exs. 18. Hoffin. En. t. 3. f. 



26.) 



England : — Sussex ! Mr. Borrer. New Forest ! Hants. Mr. Lyell. Oswestry ! 

 Shropshire. Bee. T. Salwey. Gopsal ! Leicestershire. Bee. A. Bloxam. 

 Scotland : — Loch Tay Woods ! Dr. GreviUe. 

 Ireland : — B aUinahine h '■ Galway. Mr. LwrbaXeslier. 

 Wales :— Gloddaeth ! near Conway. 



forma radiata, Leight. lirellae dendritically radiate. (Leight. 



Br. Graph, p. 29. Mudd 215.) 



England : — Sussex ! Mr. Borrer. 



Scotland : — Bammerscales ! Dumfriesshire. Mr, Thompson. 



Ireland : — Cultra ! co. Down. Mr. Thompson. 



Wales :— Gwydir Woods ! Bettws-y.coed. 



forma divaricata, Leight. lirellae divaricately branched. (Leight. 



Br. Graph, p. 29. Exs. 19. Mudd 216. Hoffin. En. t. 3. £ 2. a.) 



England : — Sussex ! Mr. Borrer. Berwick-on-Tweed ! Dr. Johnston. Twy- 

 cross ! Leicestershire. Rev. A. Bloxam. 



Scotland : — Bae Hill Woods ! Dr. Gremlle. 



Ireland : — Bangor ! co. Down. Mr. Thompson. Castlebernard Park ! Bandon. 

 Bee. Prof. Hindcs. 



Wales : — Gloddaeth ! near Conway. Gwydir Woods ! Bettws-y-coed. 



Var. pulvervlenta, (Sm.) pale-dull-ashy-yellow or cream-colour, 

 thin or tartar eous and pulverulent, continuous, rugulose ; lireUce 

 sub-sessile, broadish, extremities cuspidate ; perithecium lateral ; 

 epithecium broadly canaliculate pruinose; proper margin thick, 

 elevated, uniform; thallodal margin elevated, tumid; spores 8, 

 colourless, oblong or ellipsoid, murali-multilocular. 



Sth:— Sm. E. Bot. 1754. (1807.) Leight. Br. Graph, p. 31. 

 Fig :— E. Bot. 1754. Leight Br. Graph, t. 6. f. 18. 

 Exs :— Leight. 20. 



