304 



THE LICHEN-FLORA 



"Spores .007 — 9 mm. long, .005 — 7 mm. broad. Spermogonia commonly 

 ellipsoid, oblong or variously lirellseform, with a narrow nigricaut rima. Sper- 

 matiabacilliform, straight or slightly curved .007—12 mm. long." (T. M. Fries.) 

 " Spores .009—015 mm. long, .005—7 mm. broad." (Nyl.) 



forma laevigata, Leight. thallus smooth, continuous, rimulose ; 

 apothecia large, oppressed, almost innate, simple, confluent by juxta- 

 position, margin thin, prominent, entire or flexuose, paler than the 

 epithecium. 



On mountains or subalpine rocks, not frequent. 



Fig :— Web. Spic. t. 2. Hepp. Sporen 1. 15. f. 125. 



Exs : — M. & N. 463. lower specimen. Schaar. 446. Hepp 125. Zw. 131. Ann 

 It. S. 286. 



Geog. Distrib: — Switzerland, Hungary, Pyrenees, Italy. 



Bot. Pbov :— 1, 2, 3...15. 



England :— Chudleigh Rocks, Devon. Mr. JParitt. Kelvedon, Essex. Mr. 

 Varenne. Plymouth. Mr. Holmes. 



Scotland : — Grampians. Bev. J. M. Crombie. 



Spores .01 — .0115 mm. long, .0045 mm. broad. 



forma rimoso-areolata, Leight. thallus coarsely-rimoso-areolate ; 

 apothecia and spores as in/. Icevigata. 

 On subalpine rocks, not frequent. 1871. 



Pig :— Hoffm. PI. Lich. t. xix. f. 1. (excl. a. b. c. d.) 

 Geog. Distbib : — Switzerland. 

 Bot. Pbov :— 6, 7. 



Wales:— Cwm Tryfaen ! Cwm Cywion! (1871.) Pen-y-rhiw ! near Fish- 

 guard, Pembrokeshire. 



forma complicata, Leight. thallus minutely rimulose ; apothecia 

 very large, adnate, complicate or compound by excessive lateral pres- 

 sure or confluence of many apothecia so as to render the epithecium 

 reticulate by the prominent thin margins. 



On subalpine rocks, not frequent. 1871. 



Fig :— Hofim. PL Inch. t. xix. f. 1. a. b. c. 



Exs : — M. & N. 463. upper specimen. 



Bot. Pbov : — 7. 



Wales :— Glyder Vach ! Cwm Idwal ! Cwm Cywion ! (1871.) " 



Spores .0115 mm. long, .0055 mm. broad. 



forma steriza, Leight. thallus evanescent, apothecia sessile. 

 On subalpine rocks, not frequent. 1851. 



Exs:-Sehser. 228. 

 Bot. Pbov :— 7. 



Wales:— Craig Breidden ! Crib Coch! Snowdon. Diganwy! near Conway. 

 (1851.) 

 Spores .0115 mm. long, .005 mm. broad. 



forma minor, Hoffm. thallus rimulose ; apothecia half the size of 

 the type, plane or convex, more or less confluent. 

 On subalpine rocks, not frequent. 1871. 



Sra :— Hoffm. PI. Lich. vol. 1. 88. (1790.) 

 Fig : — Hoffm. L c. t. xix. f. 1. d. 

 Bot. Pbov :— 7. 



Wales :— Aberdovey ! Bev. A. Bloxam. Aran Mowddwy ! Cwm Bochlwyd ! 

 (1871.) 

 Spores .011 — .012 mm. long, .004 — 5 mm. broad. 



forma oxydata, Leight. thallus ferrugineo-ochraceous. 

 On subalpine rocks, rare. 1875. 



