RAUK AT. PINK PLANTS 



295 



Cantons Valais and Grisons (Graubiinden) are 

 certainly nmcli richer in Alpine species tlian any 

 other district on the north side of the main Alpine 

 chain. 



Among the rarities confined to the Valais are : — 



Anemone halleri, All. 

 Silene vallesia, Linn. 

 0.vytropisfa4ida, D. C. 

 PotentUla multlfida, Linn. 

 TrifoUum saxatile, All. 



Saxi/raga dlapenslo idi'S, 



Bell. 

 VaU'rIana celtica^ Linn. 

 Senecio unijiorus, All. 



In the Engadine, and elsewhere in the Grisons, the 

 following species are found : — 



Papaver nudlcaide, var. Senecio camiollcus, Will. 



rhcetlcum, Leresche. 

 Dlanth us glackdls, Hiinke. 

 Sempe rvlx um iv ulfen /, 



Hopp. 



Valeriana suphia, Linn. 

 Pedic II la r is jacquini, 

 Koch. 



which are either unknown elsewhere in Switzerland 

 or only occur in the southern Canton of Tessin. 



Kare species, common to both the Valais and 

 Grisons, but practically confined to these Cantons, are, 

 amont' others : — 



Arahis halleri, Linn. 



Se m p e rvivum fa nek i /, 



Braun. 

 Pedlcularis incarnata, 



Jacq. 



PotentUla nicea, Linn. 

 P h 1/ 1 e u m a h a ni 1 1 e, 

 Schleich. 



