328 



99 (b). L. gibbosa (Ach.). 



On rocks and pebbles in tlie gravel. Very conimon and variable (R.,!). 

 Var. depressa Nyl. 

 Stromo: Hojvig (!). 

 f. obscurata Th. Fr. 

 Sy der 6: Famievatn (!). 



100 (c). L. pelobotpya (Wahlenb.). 



Togetlier with the above-mentioned, rather conimon (R., !). Margin 

 of the apothecia is sonietinies livid, and the disk dark red. 



101. L lacustris (With.). 



On rocks and stones in damp localities. Rather common (R., !). 



102. L. phaeops (Nyl.). 

 Stromo: ravine at Vestmanhavn (!). 



103. Rinodina sophodes var. exigua Ach. 



Rocks and boulders. Rather common (R., !\ Sydero: driftwood 

 resembling mahoganj'; sometimes the exterior much resembles Lecanora 

 Hayeni (!). 



104. R. turfacea (Wahlenb.). 



Over mosses. Vaago: Rensatinder (R.). 



105. Haematomma ventosum (L.). 

 Oste ro: Ostnæs (Næs-Reuk) (!). 



106 (a). Acarospora cervina f. smaragdula (Wahlenb.). 



On boulders and pebbles. Common, but rarely well-developed (R., !). 



107 (b). A. giaucocappa (Wahlenb.). 

 Sydero: Ornetjæld (!), Famien (!). 



Intermediate between A. cervina and eiicarpa. Apothecia naked 

 (var. nibricosa Ach., Th. Fr. Scand. p. 213). 



108. Pertusaria xanthostoma Sommerf. 



On twigs upon the ground. Svin o (!); Vi de ro: Malinsfjæld (!); 

 Vedvig (!). 



b. Lecideeae. 



109. Sphyridium placophyllum (Wahlenb.). 



On the ground. Kai so: Blankeskaalefjæld !); Sydero: Ornefjæld 

 at some 400 m. {}.). The Karschia (Buellia) scabrosa (Ach.) grows on its 

 thailus. 



110. S. byssoides (L.). 



On the ground here and there, rarely fertile (R., !). 



