THE 



SCIENTIFIC PROCEEDINGS 



OF THE 



ROYAL DUBLIN SOCIETY. 



Yol. SIII. (I.S.), lo. 13. JAIUART, 1912. 



F0RBE8IA CANCELLATA, gen. et sp. nov. 

 (SPHENOPTEEIS, sp., Baily). 



BY 



T. JOHNSON, D.Sc, F.L.S., 



PROFBSSOB OF BOTANY IN THE EOYAL COLLEGE OF SCIENCE FOE IRELAND, DUBLIN. 



(PLATES XIII. and XIV.) 



\_A ufhors alone are responsible for all opinions expressed in their Communications.^ 



DUBLIN : 



PUBLISHED BY THE EOYAL DUBLIN SOCIETY, 



LEINSTER HOUSE, DUBLIN. 



WILLIAMS AND NOEGATE, 

 14, HENRIETTA STREET, COVENT GARDEN, LONDON, "W.C. 



1912. 



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J UN 2., 



