Iviii 



EOYAL HOETICULTURAL SOCIETY. 



were much affected, and the nuclei of the affected cells dis- 

 coloured. 



A Committee was then appointed for the consideration of the 

 subject, consisting of Messrs. Berkeley, Blenkins, Marshall, 

 Masters, Murray, and Thomson, to meet at Messrs. Veitch's, 

 May 20. 



The subject of nomenclature was postponed to the subsequent 

 Meeting, the second subject for discussion being, " To consider 

 what assistance can be rendered to Dr. Signoret in working out 

 the Natural History of Coccidse." 



The Meeting then adjourned. 



May 19, 1868. 

 T. Thomson, M.D., F.B.S., in the Chair. 



The Minutes of the last Meeting were read and confirmed. 



Some specimens of Orchids and other leaves were exhibited by 

 Dr. "Welwitsch, showing different forms of spot Avhich occur in 

 Africa. He believes that it is a constitutional disease analogous 

 to scrophula. 



A leaf of an Orchid with undoubted black spot, just imported, 

 was sent by Mr. Wilson Saunders. 



Specim ens of the larva, in its case, of some species of Coleop7iora, 

 which has been very injurious to Pears at Chiswick, were brought 

 by Mr. Berkeley. He stated that ColeopJiora hemerohiella has been 

 very busy this year on Cherry-trees, and some species in the larva 

 state has since been observed by him, in Leicestershire, on Elm. 



A translation of a letter from M. Alphonse DeCandolle on 

 Nomenclature was then read, on which a discussion took place, and 

 it was proposed and carried unanimously — 



" That a Sub-Committee, consisting of Dr. Thomson, Dr. 

 Hogg, and Mr. Moore, be appointed to consider the Nomen- 

 clature of Garden Plants." 



It was then suggested by Dr. Welwitsch that experiments 

 should be made on the cultivation of different species of Lorantlnis, 

 many of which are of great beauty and interest. 



The subject of Nomenclature to be resumed at the next Meeting, 

 the second subject being that of the CoccidsB, as previously 

 proposed. 



