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Mrs. N. L. Britton, voluntary assistant, has continued her 

 studies on the mosses of North America, and in conjunction 

 with Miss A. Taylor made exhaustive morphological ex- 

 aminations of Schizaca -pusilla and Vittaria lineata. The 

 results of the investigations upon the first-named plant have 

 appeared in the contributions of the Garden and the second 

 is in press. 



Professor F. E. Lloyd, of Teachers College, has made 

 some morphological studies on Chrysoma and Ptcridium 

 and published the results of his survey of the coast and islands 

 of the Mississippi Sound. His studies on the embryology of 

 the Rubiaceae have been brought to completion and are now 

 in press. 



Professor E. S. Burgess, of the Normal College, has com- 

 pleted his historical and bibliographical researches on the 

 Asters, and made a systematic arrangement of the numerous 

 species in this group in conformity with the results of his 

 studies. The results of this work are now in press. 



Dr. C. C. Curtis, of Columbia University, has carried out 

 extensive experiments dealing with the movements and pres- 

 sures of fluids in plants, and has not yet brought his work to 

 completion. 



Dr. Alex. P. Anderson, of Columbia University, has 

 brought to a close his investigations of Dasyscyfha resinaria, 

 a fungus parasitic on Abies balsamea, carried forward his re- 

 searches upon growth and upon various economic problems. 



Miss Alexandrina Taylor, museum aid, carried out a mor- 

 phological examination of Schizaea pusilla and Vittaria 

 lineata in conjunction with Mrs. N. L. Britton, and the re- 

 sults have been partly published, as noted above. 



Mr. R. S. Williams, museum aid, has made marked prog- 

 ress in his study of the mosses of Montana, in addition to 

 describing several new species from other parts of North 

 America. He has carried out extensive field work in Bolivia, 

 in which he is still engaged. 



Mr. S. H. Burnham, museum aid, has devoted consider- 

 able attention to a systematic arrangement of the flora of the 

 Champlain valley. 



