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NATURAL HISTORY SOCIETY OB DUBLIN. 



FRIDAY, MAY 1, 1863. 

 William Andrews, M. E. I. A., President, in the Chair. 



The previous Minutes were read and signed. 

 The following paper was then read : — 



On a Peculiar Form oe Asplenium: Ruta -muraria, occurring on a 

 "Wall in the neighbourhood of Athlone. By P. J. Poot, 

 M. A., G. S. L, Corresponding Member. 



I present to your notice this evening a Pern which I have lately found 

 growing on a wall in the county of Roscommon, five miles south-west of 

 Athlone. It is evidently a form of Asplenium Ruta-murwia ; but it 



Asplenium Ruta-muraria, var. attenuata. 



appears to me to be a most peculiar one. Its luxuriant and singular 

 appearance attracted my attention while riding by on a car. Several 



