lOO The Irish Naturalist. May, 



and chalk-flints, grits, red sandstone, chert, slate, and a 

 basaltic andesite. The chief interest of the section is that it 

 is one of the highest sections — if not the highest — of shelly 

 boulder-clay which has up to the present been recorded on 

 the Dublin hills. 



Dubhu. 



NOTES. 



BOTANY. 



Ranunculus Lingua — An Erroneous Record. 



I have just heard that Mr. Praeger has recorded Ranunculus Lingua 

 from County Donegal, He was not asked to do so, and the record is an 

 error. I presume he never saw the specimens, which were merely an 

 elongated lacustrine form of R. Flanimula. Mackay made the same mis- 

 take long ago in this count}- (Lough Kske), and it is very tiresome to 

 have it repeated. Perhaps Mr. Praeger found the record useful for his 

 maps of distribution of Irish plants, published some years ago (which 

 are very unfortunate as regards Donegal), and was in a hurry to seize 

 it. 



H. C. Hart. 



Carrablagh, Co. Donegal. ^ 



I thank Mr. Hart for his note. The recording of Ranunculus Lingua 

 from Donegal was, as he says, an error, and it would in the ordinary 

 course have been withdrawn in my next annual summary of new 

 records, &c. The find was reported to me in writing on excellent 

 authority, but was verbally withdrawn some months later ; by my own 

 inadvertence the written record remained uncancelled among the topo- 

 graphical additions of the year. I have not succeeded in grasping the 

 argiunent in the latter part of the note ; but it is surely evident to any 

 student of geographical distribution that the range of this plant is such 

 as to render its occurrence in Donegal unlikely ; and that far from being 

 useful for my maps of distribution (whatever that may mean), the 

 record would be distinctly inconvenient ! I am sorry that Mr. Hart 

 should think that my maps do not do justice to Co. Donegal ; but he 

 made the same complaint of " Cybele Hibernica,' so I sin in good com- 

 pany. 



R. Li^. Praegkr. 



