I92I. No. 7. STUDIES OX THE LICHEN FLORA OF NORWAY. 77 



Hard. Granvin iH.I, Kinsarxik (H.I, \'oss (B. L.). More. Romsdal: 

 Slettatjell iH.I, and \"ermedalen (H.I. 



Hcd. Matrand (B. L.I, Kongsvinger (B. L.), Tonset: Havern (B. L.l, Tyl- 

 dalen (B.L.I; Helgoen (B.L.I. Opl. Ringebu (Somrft.), Torpen: Synntjell 

 (B.L.I. 



Sortr. Dovre: Knutsho (B. L.l; Fæmunden: Flensmarken (B. L.l, Roros: 

 Sætern (B. L.l. 



Norill. Saltdalen (Somrt.I. 7^;'o///5. Maalselven: Maalsnes (B. L.l, Bardo: 

 Stromsmo (B. L.l; Mikkehik (B.L.I. Fiinii. Alten: Tverelvdalen (Norm. I. 

 Lakselvdalen (B. L.l, and Gargia (B. L.l; Karasjok (B. L.); Xordkyn: Sand- 

 fjord (B. L.); Tana: Birkestrand (B. L.), Lævajok (B. L.), and Polmak (Th. Fr.i, 



Cladoiiia canicola is a lichen from our great coniferous forests, found 

 at the base of old decayed stumps (also on Betitla), frequenth' associated 

 with CI. digitota and CI. cciiotca, only quite exceptionally on decayed wood 

 and on naked earth. 



In South-Eastern Norway it is common in the inland forests, it de- 

 scends — though rarely — to the level of the sea, and ascends to some- 

 what above the tree line. — Not recorded, and most probably lacking, 

 from the south and west coast, recorded onh' from a few inland stations 

 in Western Norway. — In Northern Norway it is e\-idently not rare in 

 Tromso and Finmark but it rarely advances farther than the forest o{ coni- 

 ferous trees. 



On the whole CI. canicola is an eastern species in Norway. 



Frequentlv sterile, and then easily confused with CI. cocci/era t. p/cii- 

 rota. CI. canicola is paler, of a more sulphureous colour, almost translu- 

 scent when moistened, it has a coarsely papillose margin of the sc3-phi 

 (when not proliferous). 



46. Cladoiiia bacilliformis iNvl.i Wain. 



Akcrsli. Nordmarken: Hakedalen (B. L.l. 

 Opl. Hadeland: \'elmunden (B.L.I. 

 Sortr. Fæmunden: Langen B. L.l. 

 Tronis. Lyngen: Skibotn (B. L.l. 



A tvpical forest species, growing on old decayed stems of Conifers, 

 also on Bctula. 



It is impossible to say much about its distribution in our country, but 

 these few stations, so widely separated, indicate a wide distribution. Most 

 probably a closer investigation will turn it up from many places. — It is 

 not rare in Lapland (Lang Bot. Not. Lund, 1912 p. 36). 



Our specimens agree entirely with Norrl. et Nyl. No. 419, and with 

 plants, collected and determined by Mr. Lang, the late eminent Finnish 

 lichenoloeist. 



