g6 HEUsi i.ys(.K. iM.-N. Kl. 



Lakscfjord: Ndi-dkyii II). L.l, Skjotiiins^bcij^ (15.1..), and Lebcsby (B. L.); 

 'laiia: Lani^ncs (l>. L.), Vcstcrbugt (B. I..I, l"ii||,nia I Tii. I-'k.), and Lævajok 

 (B. L.l: \'aiang'„T: Syltefjord (Noi--- ), Aid (lii. I'k.), and Klvcnes (Th. Fr.). 



(iyro/i/inra j^rohoscidca is a frequent lichen in alpine and subalpine 

 districts in our whole country. In Eastern and Southern Norway' it is rare 

 in the lowlands (Magnusson mentions lowland stations from Bohuslän in 

 Sweden'), but in Western Norway it is common right down to the coast. 

 In Northern Norway it is more frequent than an^-where else. It ascends 

 to very considerable elevations (1900 — 2000 m. at leastl. 



On rocks and stones, associated with other species of Gyropliora. 



9. Gyrophora fuliginosa M.wa.as. 

 Map XI, 3. 



Havaas J. j. Beiträge zur Kenntnis der westnorwegischen Flechten- 

 flora. Berg. Mus. Aarb. 1909, No. i, p. 14. 



Exsicc. Havaas Lieh. Norv. 237, Zahi.br. Lieh. Rariores (as yet inédit.). 



Telcm. (Austagder?)^ Berdalsskaret (M. N. Bl. 1826). 



Hord. Granvin: Nesheimshorgje (H.), Hardangervidda (H.), \'oss: Tor- 

 finnsdalen 1345 m. s. m. (Lid), and Lonehorgje (B. L.), Finse: Finsehogen 

 (B. L.). Sog II. Gloppen (V. D. Krogh, sec. Gunnerus Fl. norv. II p. 89, s. n. 

 Liehen (feiisfiis). More. Sundalen: Gruvedal (H.), Romsdal: Alterhoa (H.). 



Op/. Grjotli (Jebe). 



Gvroplwra fuliginosa has been recorded from se\-eral stations on the 

 Western side of Langfjellene, a mountain ridge separating Eastern from 

 Western Norway. Only recorded from \-erv high mountains. 



It prefers vertical exposed walls and large stones, and is usually 

 associated with other Gyrophora species, as G. h'iocarpa, arctiea, proboscidea, 

 and hyperborea. Evidently a social species, growing in great individual 

 numbers. 



Surely a good species, related to G. proboseidea, but separated trom 

 that species by the fuliginose lower side, the fasciculate fibrillae on the 

 upper side, and the larger size. G. proboseidea is also at times perforate, 

 and it has a tendency to become morbose and decolorated at the margins. 



In the herb. Somrft. there is an undetermined of this plant from 

 Larvik CLaurvig in rupibus'). It is not credible that this highly alpine 

 plant should be found on the south coast. 



Thallus thin, very brittle, moistened somewhat translucent, o{ medium 

 size (diam. up to 12 — 13 cm.), affixed to the substratum b}- a short, but 



1 Magnusson, Material etc. (1919) p. 83. 



