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XIII. 



A LIST or lEISH HEPATIC^. 

 By DAVID McARDLE. 



(kEPOET FllOM THE FAITNA. AND FLORA. COMMITTEE.) 



Read June 22, 1903. Published January 28, 1904. 



Introduction. 



This paper is an attempt to give a full and reliable list of the 

 Hepaticae of Ireland, as they are known at the present time. It is 

 intended to form Part II. of " Cybele Hibernica," and is based on 

 exactly the same lines. Since the late Dr. D.Moore's death in 1879, 1 

 have continued to study the subject which he first taught me, knowing 

 that his valuable Eeport on Irish Hepaticse, which he read before the 

 Royal Irish Academy in 1876, was preliminary to a more exhaustive 

 work. With financial help from the Fauna and Flora Committee of 

 tlie Academy, I have been enabled to make research in many 

 counties. The results I have from time to time laid before the 

 Academy, and for their help I offer my best thanks. 



The Irish Hepaticse have been studied with great success by the 

 earlier botanists, notably by Dr. Taylor, of Kenmare, in Kerry, who 

 published the result of his researches in Part II. of Mackay's " Flora 

 Hibernica," in which seventy-five species are enumerated under the 

 genus Jungermania, besides Marchantiace(B and Anthocerotacece, which 

 include eight species, making eighty-three in all. 



Miss Hutchins, of Bantry, about the same period was collecting 

 and studying Hepaticse in Co. Cork, with rare discriminating 

 power. Most of the plants she gathered were sent to Sir "William 

 Hooker ; and one has only to turn over the pages of Hooker's grand 

 work on the British Jungermanice to find her name more or less 

 connected with the discovery of every rare Irish plant. 



Dr. Thomas Power's " Contributions towards the Fauna and Flora 

 of Cork," published in 1844, includes fifty species. 



The late Mr. Isaac Carroll contributed largely to our knowledge 

 of these plants in Co. Cork and elsewhere. In 1863, the late Dr. 

 Carrington, of Manchester, published his "Gleanings among the 



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