( 204 ) 
during which period he made a critical study of the family 
Valsaceae, and determined the collection of this family in the 
herbarium. 
Mr. A. D. Selby, physiologist and pathologist to the Agri- 
cultural Experiment Station at Wooster, Ohio, held a schol- 
arship two months in continuation of earlier registration and 
made an extended investigation of the latex of a number of 
native plants with a view to ascertaining whether any of these 
species might be taken to give promise of rubber in com- 
mercial quantity, and also for the purpose of finding out the 
function of latex. <A fairly complete bibliography of the en- 
tire subject was compiled. Mr. Selby also completed some 
morphological studies of etiolated plants, and an investiga- 
tion of the life history of a fungus parasitic on grapes. 
Publications. 
Buiuetin No. 8, comprising pp. 409-518, with plate 42 
of Vol. II, which it completed, was issued March 18, 1903. 
This number is devoted wholly to the reports of officers and 
committees for the year 1902. 
Buutetin No. 9, comprising pp. 1-174, and plates 43-57 
of Vol. III, was issued November 11. This number includes 
four scientific papers which were published separately in 
advance. The first, New or Noteworthy North American 
Crassulacee, by Dr. N. L. Britton and Dr. J. N. Rose, was 
issued on September 12, 1903. The second, The Flora of 
the Matawan Formation (Crosswicks Clays), by Mr. Edward 
W. Berry, was issued September 12, 1903. The third, 
Bolivian Mosses, Part I, by Mr. R. S. Williams, was issued 
October 19, 1903. The fourth paper, The Dimensional Re- 
lations of the Members of Compound Leaves, by Mr. Chas. 
Zeleny, was issued October 23, 1903. 
The JournAL has been issued monthly during the year, 
and the completed volume contains viii + 238 pages, with 8 
plates and 29 figures. 
Memoirs, Vol. II, The Influence of Light and Darkness 
upon Growth and Development, by Dr. D. T. MacDougal, 
