23 



normally twice-compound leaf; branching of the leaflets of 

 Hicoria ovata and of Aesculiis Hippocastanuni ; and various stages 

 of transition, in Gleditsia triacaiithos, from once-compound 

 leaves to twice- and thrice-compound ones, the transitional forms 

 occurring in some instances on the same branch, and even on the 

 same leaf. Rosette leaves were also shown from several species 

 of Biotian asters, showing gradual transitions from a slight inden- 

 tation of the margin of the blade along its basal half to the de- 

 velopment of petiolate leaflets, so that the leaf appeared to be a 

 pinnately compound one. The possible causes of these variations 

 were briefly discussed. 



Brief discussion followed the presentation of both papers. 



The Club adjourned at 5:30 o'clock. 



C. Stuart Gager, 



Secretary. 



NEWS ITEMS 



Dr. B, M. Duggar has resigned the professorship of botany in 

 the University of Missouri to accept a professorship in Cornell 

 University. 



Mr. R. S. Williams, assistant curator of the New York Botan- 

 ical Garden, left New York for Colon on January 25, expecting 

 to devote several months to making botanical collections in the 

 Republic of Panama. 



Mr. George E. Davenport, well known as a student of the 

 North American ferns, died in Medford, Massachusetts, Novem- 

 ber 29, 1907. He had completed his seventy-fourth year on 

 August 3, preceding. 



Mr. Harlan H. York is in charge of the botanical work at the 

 University of Texas, pending the appointment of a professor of 

 botany to succeed Dr. William L. Bray, now of Syracuse 

 University. 



Dr. Burton E. Livingston, of the department of botanical 

 research of the Carnegie Institution, has been granted a year's 

 leave of absence, which he will devote to study in European 

 laboratories. He sailed from Boston for Naples on January 1 1 . 



