199 



1896, p. 107. Ekstam, 1897, p. 131, 1898, p. 11. Abromeit, p. 32. 

 G. Andersson och Hesselman, p. 22. Ddsén, p. 32. A. Gleve, p. 48. 

 LiNDMARK, p. 45, tab. II, figs. 18 — 20; tab. Ill, fig. 1. Simmons, p. 67. 

 Sylvén, p. 230. 



Kntth, p. 452. 



A herb of the Ргшм /rt-type, tufted in habit, with an 

 erect or else more or less oblique rhizome (Fig. 20), which is 



Fig. 20. Saxifraga nivalis. 



A, A specimen (slightly reduced) from Disko, gathered by M. Porsild; K, a lateral shoot. 



B, A leaf (somewhat mag.) from Iceland. C, A leaf of S. nivalis, f. tenuis from Jan Mayen. 



(E. W. ; drawn by J. Krogh.) 



usually short, but sometimes attains a length of as much as 

 5 — ^6 cm. and is thick and strong, and may be rather densely 

 branched. Numerous adventitious roots occur. The specimens 

 from Cape Tcheljuskin (Siberia) formed dense tufts, the nume- 



