ALPINE FLOEA OF NOEWAY. 251 



to the perpetual snow, but is simply a bush in the 

 last-mentioned spot. 



Alnus incana. In Drivdalen, some hundred feet 

 above the fir-limit. 



Popidus tremula. Is found as a bush near Kongs- 

 vold. 



Salix pentandra ; 943. Between Tofte and Lie, and 

 near Drivstuen. 



8. glauca, 0. Lapponum ; 1058, 7. appendiculata ; 

 1056, S. denudata. They grow over the whole fjeld, 

 up to the perpetual snow. 



S. lanata; 1057. Same as the last-mentioned. 



8. hastata; 1238. Common over the whole fjeld, 

 high above the birch-limit. 



S. arbuscula ; Fries. Here and there in many 

 places, above the birch-limit. 



8. phylicifolia ; 1052. This, and many varieties, 

 are found all over the fjeld. 



8. caprea ; 245. Does not grow above the birch- 

 limit. 



8. depressa. Same as the last. 



8. limosa. Very common all over the fjeld. 



8. myrsinites ; 1054. Common. 



S. pyrenaica Norvegica ; Fries. Sparingly near Fog- 

 saaen, above Fogstuen. 



8. reticulata ; 212. Up to and above the birch- 

 limit. 



8. Jierbacea ; 117. Common up to the perpetual 

 snow. 



8. polaris ; Wahl. Not so common as the last, but 

 is found in many places, and up to the perpetual 

 snow. 



