181 



Fruit ripens in Nova Zembia (Ekstam) and in Spitzbergen 

 ^Th. Holm's Fig. 2; Anderss. and Hesselm.). 



Saxifraga groenlandica L. 



S. cœspitosa, Fl. Dan. S. decipietis Ehrh. 



Lange, Conspectus, p. 62, Supplement I, p. 257. Rosenvinge 

 p. 679. 



Th. HoLM, pp. 40, 51. Warming, 1886, p. 18, fig. 25. Lindman, 

 p. 57, pi. m, fig. 25. H. Jonsson, p. 284, fig. 2. Rosenvinge, 1896, 

 p. 107. Ekstam, 1897, p. 133; 1898, p. 18. Abromeit, p. 35. 

 Andersson och Hesselman p. 30, fig. 15. Düsen p. 33. A. Cleve 

 p. 49. LiNDMARK, p. 24, pi. 1, figs. 16— 21. GtJNTHART, p. 69. Syl- 

 VÉN, I, 233. Simmons, pp. 70 and 73. 



This species grows in tufts, the leaves of which are nume- 

 rous and close-set (Figs. 12^ and \AA). The tufts may consist 



Fig. 12. Saxifraga groenlandica. 



A, A small tuft (natural size) from West Greenland (Disko) gathered bj- M. Porsild in 

 spring (drawn by I.nger Krogh). В, Two leaves from the same tuft. C, A seedling, copied 



from LiXDMARK. 



of a complex of richly branched shoots, which, according to the 

 prevailing conditions, are either crowded together so that the 

 tuft becomes compact and pulvinate (in exposed, dry localities) 

 or else grow loosely and have longer internodes (e. g. among 

 damp moss). Usually each tuft obtains nourishment only from 

 the primary root which lives a long time and becomes thick 



