ALPINE FLORA AND FERNS OF NORWAY. 319 



near Sognefajste, in Bergens Stift ; near Ous, in Gaustalien ; near 

 Andressaa in Suledal, Svanoe, Sandvigslev near Bergen ; and on 

 Nordhugloe, between this last place and Storoe. Generally on 

 granite or old limestone. Bears fruit in July and August. 



BOTRYCHIUM LUNAKIA, Sw. ; FL D. tab. 18 (the fig. on the 

 left). Occasional on grassy banks and mounds from the extreme 

 south up to East Finmark. On Hallingskarv, Fille Fjeld, and 

 Dovre, it attains an altitude of about 3,400 feet. Has been 

 noticed on a substratum of lime, slate, and granite. It varies 

 with regard to size, the form of leaf, and its lower or higher place 

 on the stalk. Bears fruit at different times, according to altitude. 

 On the Dovre it grows near Kongsvold, in Drivdal, and other 

 places. 



B. MATRICARIOIDES BOREALE, Milde ; B. lanceolcttum, FL D. 

 tab. 18 (fig. to the right) ; B. teneUum. Professor Blytt found 

 all three forms growing together near Nystuen, the highest 

 station on the Fille Fjeld ; near Kongsvold and Fogstuen on the 

 Dovre, up to 3,500 feet above the sea. Substratum lime, schist, 

 or granite. Not common. Bears fruit in July and August. 



B. RUTACEUM, Sw. ; Fl. D. tab. 18 (fig. 2). Much less common 

 than B. lunaria. It has been found growing in Salt-dal, its 

 known northernmost limit. It has also been found near Abildso, 

 about 3 miles from Christiania, and near Hovring Sater, in Gud- 

 brandsdal, 3,500 feet above the sea ; and near Hunnerfoss, about 

 10 miles north of Lillehammer ; and also at .Svinesund, on the 

 Swedish side. Grows generally on limestone, schist, and granite. 

 Bears fruit in July and August. 



OPHIOQLOSSUM VULGATUM, L. ; FL D. tab. 147. Grows on 

 moist places. Very rare in the interior of the country. Said to 

 have been found growing in Bingerige, near Toten and Kougs- 

 berg. Professor Blytt found it near Vittingfoss, between Laur- 

 vig and Kongsberg ; also near Kjonrud works, near Drammen ; 

 on Snaroe and Osterb'e, near Christiania ; on Nordre Aaroe, near 

 Aaroesund ; on Lbvbe, near Brevig, near Krageroe ; Arendal, 

 near Kspenaes, Grimstad, on Malloe, &c. Alskuoe, on Helgoland, 

 is its known northernmost limit. It appears to thrive best on 

 lime. Grows nearly always on the shore. Bears fruit from June 

 to August. 



