﻿Proceedings of the Society. 



Ill 



obovate, reniform and flabellate ; the margin thin and inflexed ; the 

 color whitish or subochraceous. " Immensae confusionis mater," like 

 the related P. abielinns, Dick. "Non exstat vero facilius distincta 

 species, si modo semel vegetum rite observaveris nec in speciminibus 

 exoletis et siccis species distinctas quaeras." P. laceratus, Berk., 

 and P. elongatus, Berk., are among its numerous synonyms. 



[to be continued.] 



Donations for April were announced as follows: From Hon. J. 

 F. Follett, seven volumes and two pamphlets, viz., " Reports U. S. 

 Fish Commission, 1881-1882," "Report of International Exhibi- 

 tion, 1876, 2 Vols.," "Report of Bureau of Education," "Re- 

 port of Smithsonian Institution, 1882," "National Academy of 

 Sciences, 1883," " Memoirs of Nat. Acad. Sciences, Vol. II.," 

 " Bulletin of U. S. Fish Commission, Vol. IV.;" from Director of 

 U. S. Geol. Survey, Nos. 2, 3, 4, 5, 6 of Bulletin ; from Daniel G. 

 Brinton, "Lineal Measures of Races of Mexico and Central 

 America;" from Col. J. W. Abert, Lot of Minerals and Fossils; 

 from Am. Cotton Oil Co., Samples of Oil Cake and Crude and 

 Refined Oil; from Washburn College, Topeka, Kansas, "Bulletin 

 of Laboratory, Vol. L, No. 3;" from Edw. M. Cooper, Eighteen 

 Species of Shells; from J. Gamble, Jr., Specimen of Foetus Born 

 without Arms. 



Meeting of May 5, 1885. 

 President Harper in the chair, and fourteen members present. 

 The following papers were read and submitted for publication : 



AFFINITIES OF THE GENUS DIONJEA, ELLIS. 

 By Prof. Jos. F. James, 



Custodian Cincinnati Society of Natural History. 



The order Droseracece, as considered in the Genera Plantarum of 

 Bentham and Hooker, is made to include six genera. These are 

 Drosera, Drosophyllum^ Aldrovanda, Dioneea, Roridula and Byblis. 

 With the exception of Dioneea, all these form a natural group. 

 This one genus differs in such a manner that it seems more in ac- 

 cordance with natural principles, to change its position and place 

 it with other relatives. An examination of the genera of the order 



