VEGETATION OF THE NORTHERN SHORES. 



155 



Lake Superior. 



Arabis petrasa L. 

 " lyrata L. 

 Sysimbrium canescens Nutt. 



Draba arabisans Mx.* 

 Turritis glabra. 



Europe. 



cr uciferm. 



ArabIs petraaa L. Mts. of Auvergne. 



Sysimbrium pinnatlfidura DC. Cen- 

 tral Alps. 

 Drabra incana L. 

 Turritis glabra L. 



Drosera rotundifolia L. 

 " longifolia L. 



Oxalis acetosella L. 



DROSERACEjE. 



Drosera rotundifolia L. (^<^^* ^^gf °^ 

 ,, , . . -^ the higher 



longifoha L. ^ j^^.^^ - 



OXALIDEM. 



Oxalis acetosella L. Woods of the 

 mountains. 



Parnassia palustris L. 



PARNASSIE.E. 



Parnassia palustris L. Meadows of 

 the mountains. 



HYPERICINjE. 



Hypericum ellipticum Hook. 



Hypericum Elodes L. In peat bogs 

 in Central Europe. 



CAR YOPHYLLA CEJE. 



Stellaria longipes Gold. 



" borealis Bigel. 

 Cerastium arvense L. 

 Sagina nodosa L. 

 Alsine IVIichauxii Fenzl. 



Stellaria graminea L. Subalpine pas- 

 tures. 

 " uliginosa Murr. Peatbogs. 



Cerastium arvense L. 



Sagina nodosa L. r Lower 



Alsine stricta Wahl. Peat f Alps, and 



bogs ; Jura and Alps i t^^e high- 

 ° , ^ • l^er Jura. 



It is a remarkable fact, that the family of Caryophyllaceffi, so extensive in 

 the alpine regions of Europe, has so few representatives about Lake Superior. 

 The reason is, that the Caryophyllaceas, like the Cruciferje, belong for the most 

 part, to the alpine flora properly, and to the flora of the jilains, and are missing 

 in the subalpine, or intermediate regions. 



* A small species of Draba with yellow flowers, found at Michipicotin, was lost. 



