94 Linnean Society. [June 4, 



present year. His election as a Foreign Member of the Linnean 

 Society dates from 1825. 



At the election which subsequently took place, Robert Brown, Esq. 

 was re-elected President ; William Yarrell, Esq., Treasurer ; John 

 Joseph Bennett, Esq., Secretary ; and Richard Taylor, Esq., Under- 

 Secretary. The following five Fellows were elected into the Council 

 in the room of others going out, viz. Professor Edward Forbes, 

 Edwin Lankester, M.D., Edward Newman, Esq., William Spence, 

 Esq., and Sir George T. Staunton, Bart. 



Among the presents announced were the following : — 

 An Oil Portrait, by Maguire, of the late President, the Bishop of 

 Norwich ; presented by J. S. Bowerbank, Esq., F.R.S., F.L.S. &c., 

 in the name of the subscribers. 



Lithographed Portraits of Robert Brown, Esq., Professor Ansted, 

 Professor Bell, the Dean of Westminster, John Curtis, Esq., Charles 

 Darwin, Esq., Professor Edward Forbes, Professor Lindley, Sir 

 Charles Lyell, and the present Bishop of Norwich ; all presented by 

 George Ransome, Esq., F.L.S. &c. &c. 



June 4. 

 Robert Brown, Esq., President, in the Chair. 



Read a " Notice of a peculiar Structure of the Cells on the sur- 

 face of Callitriche verna." By E. Lankester, M.D., F.R.S., F.L.S. 

 &c. 



The peculiar cells described by Dr. Lankester were found by him 

 in the summer of 1849 on the stems of a specimen of Callitriche 

 verna preserved in a glass vessel with other water plants. They 

 project from the surface of the plants, are of a stellate form, and 

 consist of a central cell surrounded by six or eight others. They 

 are easily detached from the epidermal tissue, and may thus readily 

 be procured for microscopic examination. They vaiy in size as well 

 as frequency, and are not confined to the stem, but occur also on 

 the leaves ; and Dr. Lankester is inclined to believe that they are 

 most abundant in the younger states of the plant. In the first stages 



