144 THE CANADIAN NATURALIST. [June 



the writer. Reference is also made to notes taken by Prof. Bailey, 

 during a rapid journey through the northern highlands, and by the 

 Rev. James Fowler, when at Ddlhousie, as well as to the report 

 of G. L. Goodale, of the Maine Scientific Survey. 



In Continental Acadia, as previously defined, there are four 

 principal types of vegetation, exclusive of maritime species, viz. : 



I. Arctic and Sub-Arctic. 



II. Boreal. 



III. Coutinental. 



IV. New England type. 



The latter includes all indigenous species which have an exten- 

 sive range in Acadia, especially in its southern parts. 



I. Arctic and Suh-Arctic {or Alpine and Suh-AIpine.) — This 

 type, as being the most ancient flora of the country, and also 

 being found on the low lands at the parallel of 45° N., halfway 

 between the equator and the pole, deserves our first attention. 



The species so far as known are the following : 



No. 1.— LIST OF ARCTIC AND SUB-ARCTIC SPECIES. 



[Species in this list marked S', occur only near the sea-shore on 

 the Bay of Fundy and coast of Maine. Those marked E' have 

 been gathered along or near the shores of the Gulf of St. Lawrence.] 



Of these species Senecio p»eudo-arnica is introduced on the 

 authority of Prof. Asa Grey, as occurring at Grand Manan, and 

 the Mountain Sandwort {AJsine, or Stellaria, Gran land tea,) is 

 added on the same authority, it having been found at the sea 

 level, on the coast of Eastern Maine. The common Scotch 



