LIJfNEAN SOCIETY OF LONDON. J 



The following papers were read and discussed : — 



1. Prof . G. Henslow, P.L.S, — A Theoretical Origin of Plantago 



viaritima, L. and F. alpina, L. from P. Coronopus, L. Vars. 



2, A Theoretical Origin of Monocotyledons from Aquatic 



Dicotyledons, through Self-Adaptation to an Aquatic 

 Habit — Being Supplementary Observations to a previous 

 paper (Jouru. Linn. Soc, Bot. xxix, (1892) p. 485). 



December 1st, 1910. 



Dr. D. H. ScoxT, M.A., F.E.S., President, iu the Chair. 



The Minutes of the General Meeting of the 17th November, 

 1910, were read and confirmed. 



Miss Ida Margaret Hay ward and Mr. Cuthbert St. John Nevill, 

 were admitted Fellows. 



Miss Madelaine Carson, M.Sc, Mr. Jules Augustin de Gaye, 

 Mr. Thomas Bennett Goodall, F.R.C.V.S., Mr. Francis Cecil 

 Hudson, Mr. Norman Miller Johnson, Miss Eleanor Mary 

 Evered Parsons, Lieut.-Col. Simpson Powell, M.D. (Durh.), and 

 Mr. Harold Stuart Thompson, were elected Fellows, 



Mr. G. Claridge Dbuce exhibited Utricularia ochroleuea, 

 Hartm., and U. Bremii, Heer, new records from Ireland, with 

 Arahis aljnna, Linn., and Cheer ojjhi/Ilum aweian, Linn., from 

 Scotland, the latter two in confirmation of George Don's state- 

 ments, which had been doubted during the last century. 



A discussion followed, the participants being Mr. Clement Eeid, 

 Mr. E. M. Holmes, and Mr. Henry Groves, Mr. Druce briefly 

 replying. 



Miss Ida M. Haywakd exhibited 18 alien plants selected from 

 about 200, which had been noted by the side of the river T^eed, 

 and its tributary the Gala. (See p. 48.) 



The following paper was read and discussed : — 



Capt. C. F. IJ. Meek, F.L.S. — The Spermatogenesis of 

 Stenobot7irus viridulus, with special reference to the Ileterotropic 

 Chromosome as a sex determinant iu Grasshoppers. 



&2 



