61 
LINNEAN SOCIETY OF LONDON. 
November 1, 1888. poe Crisp, Esq., Vice-President, in the 
chair.-—Messrs. T. E. G and A. Hutton were elected Fellows. 
-- onation to the SBouiott of several interesting letters of 
Linneus (1786-1769) to G. D. Ehret — eminent botanical 
artist, was announced by the chairman, and an unanimous vote of 
thanks thereupon recorded to the Misses Gaet and Mr. Charles 
Ehret Grover for their valuable donation.—Mr. H. Groves showed 
described by Bowerbank, and commented on by Carruthers, Etting- 
ausen, and many other authors who have written upon the plants 
of the Tertiary formation. Originally ouieidenek as allied t 
Casuarina, Dr. Robert Brown suggested its affinities to the st 
hausen thereafter regarded it as a product of a conifer (Sequoia), 
and Saporta compared the fruit to that of Dammara. r. Gardner 
ness fully into the structural peculiarities of the fossil fruit in 
question, and satisfactorily demonstrates that it belongs to the 
Betulacee under the genus Alnus.— A paper r by Miss G. Lister was 
read, ‘‘On the Origin of the placentas in the tribe Alsinee of 
the Order Caryophyllee.” This nicer pager is base on a series 
mber 
species. The author concludes that the aon in the dines is 
developed on essentially the same plan as that of Lychnis, the 
ence various genera being merely dependent upon the 
relative height attained by the carpels on the one hand an the 
cen axis on the other. This being so, it. follows that, if the 
jess also s earouliaiy 
November 15.— Sir John Lubbock, Bart., President, in the 
chair.—Messrs. P. Crowley and J. Murray were elected Fellows 
of the Society—Mr. Chas. B. Plowright exhibited a n Pat pear 
; al 
graminis on wheat, produced from cidium on ait ee oe ; 
the ecidiospores were sown on June 2nd, 1883, the uredospores 
appeared June 10th, and the ripe P. graminis was gathered Sept. 
10th, 1883. He likewise called ponent to se ais s of Aicidium 
