1 92 1. No. 7. STUDIES OX THE LICHEN FLORA OF NORWAY. 65 



Landsverk (Sør.I. Vrs(f. Kristianssand: Ravnedalen (B. L.I, and \'aags- 

 bNgden (B. L.), Sogne: Hellen (Sør.), Mandal: Risobank (B. L.l, and Skjern- 

 øen (B. L.l. 



HonL Fusa (Lillef.), Strandebarni: Lingavik (Lillef.I, and Tangeraas 

 (LiLLEF.), \'oss: Hanger (B. L.l. 



Hed. S. Odalen: Sander (B. L.l, Tron (B. L.l. Havern (B. L.l; Helgøen 

 (B. L.). Opl. Hunder (B. L.l, Ringebu (Somrft.I, Selsvand (MoeI, Snehætta 

 (Llnds.I, Lom: Kjæstad (B. L.l; Hadeland: Brandbu (B. L.l, \'albykampen 

 (B. L.l, and Tingelstad (B. L.l; Land: Lia (B.L.I. 



Sort)-. Dovre: \'aarstien (B. L.), Holtaalen (Gunn.I. 



Nordl. Bodø (H.), Saltdalen (Somrft.I, Steigen: Laskestad (Norm.), 

 Hadselø: Melbo (Nor:\lI, and Huseb}- (Norm.I. Trotns. Trondenes (B. L.), 

 Gibostad (B. L.l, Sjoveian (B. L.l, Maalselven: Maalsnes (B. L.l, Bjornstad 

 (B. L.l, Elvevoll (B. L.l, and Lille Rostavand (B. L.l, Bardo: Innset (B. L.); 

 Ramtjorden (B. L.), Tromso (B. L.l. Fuwi. Alten: Lille Lærristjord (B. L.l, 

 Lakselvdalen (B. L.l, Tverelvdalen (Nor^lI, Russeluft (Norm.I, and Rautas- 

 varre (B. L.); Porsanger: Skoganvarre (B. L.l; Laksetjord: Nordkyn (B. L.l, 

 and Skjøtningberg (B. L.l; Tana: Berlexaag (B. L.l, Birkestrand (B. L.l, and 

 Langnes (B. L.l. 



subsp. Pocillum (AcH.l. 



Øsf/. Sletter (B. L.l. AkcrsJi. Kristiania (Norm.I, Asker: \'ollen (B. L.l. 



Telem. Langesund (B. L.l. Aiistagd. Lyngor (B. L.l. 



Hord. Granvin (H.), \'oss: Lid (B. L.l, Finse: Sandalshogen (B. L.l. 



Opl. Ringebu (Somrft.I. 



Sortr. Dovre: Vaarstien (B. L.l, KongsvoU (Zett.I, and Knutsho (B. L.); 

 Sylene: Nea (Nordh.). 



Nordl. Grondalstjell (Unand.I, Bodo (Nor>l), Saltdalen (Somrft.I, Stei- 

 gen: Skottind (Norm.I, and Laskestad (Norm.). Troiiis. Drangen (B. L.l, 

 Gibostad (B. L.l; Maalselven: Nordbynesset (B. L.l, Maalsnes (B. L.), and 

 Likkavarre (B. L.); Tromsøen (B. L.); Lyngen: Havnes (Norm.), and Lulle 

 (B. L.l. Fuini. Loppen (Norm.); Alten: Kaatjord (Norm.); Porsanger: Børs- 

 elv (Norm.I; Nordkyn (B. L.l. 



Cladonia py.xidata is here treated in Wainio's limitation in his standard 

 work Monographia Cladoniarum. As is well known it is a very variable 

 species, and manv attempts have been made to describe its different formae 

 as proper species. 



The var. Pocillum stands out conspicuously. It has a peculiar habitus, 

 appressed, brownish, nitidous and rather coarse primary thallus with less 

 well developed podetia. I have felt greath' inclined to consider it a proper 

 species, but its characters are not always equally distinct, and occasionally 

 it approaches to f neglccta. 



ZoPF has shown that the chlorophaca contains an acid, his 'Chloro- 

 phaeasäure" which is missing in the ticglecta, and trom this difference he 



Vid.-Selsk. Skr. L M.-\. Kl. 1921. No. 7. 5 



