c!c[)artiiiciit of botany of the University of Chicago, the subject 

 of his [)apci- bcin<^ " Physiological Analysis of the Phenomena of 

 Regeneration of Plants." 



Mr. Le Roy Abrains, who lias held the University fello\vshi[j 

 in botany in Columbia University during the present scholastic 

 year, has been appointed assistant curator in the Division of 

 Plants of the United States National Mu.seum, and will take up 

 the duties of his new position on October i. 



Dr. V. K. Clements, assistant professor of botany in the Uni- 

 versity of Nebraska, has recently been promoted to be a.ssociate 

 professor of plant physiology in that institution. Dr. F. D. 

 Heald, adjunct professor of plant physiology, has been elected 

 botanist of the Nebraska Agricultural Experiment Station and 

 associate professor of botany in the University School of Agri- 

 culture. 



The second edition of Britton's " Manual of the P'lora of the 

 Northern States and Canada " was published about the first of 

 May. The stereotyped plates of the first edition have been 

 revised where practicable and descriptions of over one hundred 

 species have been added to the appendix. Artificial keys to the 

 families of the angiosperms and to the genera of composites, 

 prepared by Dr. Karl M. Wiegand of Cornell University, have 

 also been added. 



It is stated in Sde?ice that Professor D. H. Campbell of Stan- 

 ford University will devote next year to an extensive trip through 

 Europe, Africa, and Asia. He expects to attend the Internat- 

 ional Botanical Congress at Vienna and the meeting of the Brit- 

 ish Association at Cape Town. In the same issue of Science, it 

 is announced that Professor Willis L. Jepson of the University of 

 California will spend next year in Europe and in the tropics, 

 gathering material for the botanical museum at Berkeley. 



The second annual field symposium of botanists will be held 

 during the week beginning July 3, 1905, at Ohio Pyle, a point 

 on the Baltimore & Ohio Railroad in Fayette County, south- 

 western Pennsylvania, where arrangements have been made for 

 the accommodation of the party. Information concerning details 

 of the trip and the proposed program may be obtained from 



