(455 ) 



The bibliography of the flora of North America. 



Elizabeth Billings. 



A systematic study of the grasses of Vermont. 

 Jean Broadhurst. Assistant in botany, Barnard College. 



A systematic study of the ferns of the genus Lomaria. 



Charles Thomas Brues. University of Texas, B.S., 1901 ; 

 M.S., 1902. 

 General morphology of the algae. 



Esther Fussell Byrnes. Bryn Mawr College, A.B., 1891 ; 

 A.M., 1S94; Ph.D., 189S. Instructor in biology in Girls' 

 High School, Brooklyn, N. V. 

 An investigation of the factors which determine sex in dioe- 

 cious plants. 



William Austin Cannon. Stanford University, A.B., 1S99; 

 A.M., 1900; Columbia University, Ph.D., 1902. Later ap- 

 pointed laboratory assistant in the New York Botanical Garden. 

 The cytology of hybrids, and anatomical and experimental work 

 on propagative bodies. 



Edith Schwartz Clements. University of Nebraska, A.B., 

 1S98. 

 An experimental and cultural study of mutation and variation 

 in species. 



Frederic Edward Clements. University of Nebraska, B.S., 

 1894; M.A., 1896; Ph.D., 189S. Adjunct professor of bot- 

 any in the State University of Nebraska. 

 The completion of various problems in ecological research and 

 ecological nomenclature. 

 Alice Dufour. Defiance College, Ph.B., 1899. 



A systematic study of the grasses of the tribe Oryzeae. 



Julia Titus Emerson. Special assistant in plant pathology at 

 Purdue University during a portion of the year 1902. 

 An investigation of parasitic organisms affecting the roots of 

 Rosa and other plants. 



Elizabeth Venable Gaines. Adelphi College, A.B., 1899. 

 Instructor in biology in Adelphi College. 

 A study of the comparative anatomy with some experimental 

 investigations of species of Tt'ssa, and also some general work on 

 mosses and fungi. 



