PREFACE. 



The following list is the result of the microscopical examination of 

 a large collection of Hepaticse made by Mr. Macoun in different 

 parts of Canada, and of those in my possession from the herbarium 

 of the late Mr. Austin j in order to make the list as complete as possible 

 I have added all records known to me of species found in Canada and 

 northwards, including those mentioned in G. L. N. Syn. Hep. (1884) ; 

 Mitten, The "Bryologia" of the Survey of the 49th Parallel of Lati- 

 tude, Pro. Linn. Soc., Yol. VIII. (1846) ; Stephani Hepaticse von der 

 Halbinsel Alaska, Bot. Jahr., Vol. VIII. (1886) and Delamare, Eenauld 

 et Cardot's " Flora Miquelonsis " (1888) (Hepaticse determined by 

 Stephani.) 



The striking feature of the flora is its great similarity to that of 

 Northern Europe, as Dr. Spruce intimated in his note on Arnellia 

 fennica. 



In my descriptions I have adopted the terms used by Dr. Spruce in 

 his monograph " On Cephalozia " 1882.) 



WM. HY. PEAKSON. 

 ECCLES, ENGLAND. 



