TRANSACTIONS 



BOTAXICAL SOCIETY OF EDINBURGH. 



SESSION LXXVIII. 



Additions to the Flora of Orkney, as recorded in 

 Watson's " Topographical Botany," Second Edition. 

 By Colonel H. H. Johnston, C.B., D.Sc, F.R.S.E . 

 F.L.S. 



(Read 15th January 1914.) 



This paper forms a continuation of the one on the same 

 subject which I read before the Scottish Natural History 

 Society on 4th April 1895, and which was published in 

 "The Annals of Scottish Natural History,'' July 1895. 

 Chiefly on account of my having been so much abroad, I 

 have done no botanical work in Orkney since 1895. with 

 the exception of the summer and autumn of 1912 and 1913, 

 during which two years most of the plants mentioned in 

 this paper were collected. 



Before and since the publication of the second edition of 

 Watson's " Topographical Botany." in 1883, several of the 

 plants mentioned in the following list have been recorded 

 from Orkney by me and others ; but, as the value of 

 botanical records is greatly enhanced by the possession of 

 authentic specimens, 1 have included in this list the names 

 of all specimens in my herbarium, which are either 

 additional to, or confirm doubtful records of, the plants 

 recorded from county No. Ill, Orkney, in the second 

 edition of the above-mentioned work. 



In the case of those plants which have already been 



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