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spend April and May at the Desert Laboratory of .the Carnegie 

 Institution of Washington, at Tucson, Arizona, and the summer at 

 Coastal Laboratory at Carmel, California. He will continue 

 at these laboratories the studies of the fruit development of the 

 Cactaceae initiated at Tucson three years ago. 



Dr. B. H. Alfred Groth, plant physiologist, has resigned his 

 position as plant physiologist and plant breeder in the New 

 Jersey Agricultural Experiment Station to become head of the 

 new Agricultural College and Agricultural Experiment Station in 

 Panama. He and his family sailed April 15, 1915. 



E. D. Merrill, botanist. Bureau of Science, Manila, P. L has 

 returned to the United States, on leave. Mr. Merrill will be in 

 Washington, D. C, for several months. 



After serving as acting director of the biological station of the 

 University of Michigan for two years, Dr. H. A. Gleason has 

 been appointed director. Courses in botany will be given as 

 follows: Field and Forest Botany, Professor F. T. MacFarland 

 of the University of Kentucky ; Systematic Botany and Advanced 

 Systematic Botany, Dr. F. C. Gates, of the University of the 

 Philippines; Ecology and Plant Anatomy, H. A. Gleason. 



The University of Michigan has recently secured twenty acres 

 of fertile ground for a botanical garden, and about twenty 

 thousand dollars will be expended in improvements during the 

 current year. This will include appropriate glass ranges and 

 boiler plant and a laboratory building. One glass house is 

 intended for research alone, and will be divided into a series of 

 small rooms for individual use, each provided with independent 

 thermostatic control. Active work at planting the grounds will 

 not begin until 1916. Dr. H. A. Gleason, assistant professor of 

 botany, has been appointed director of the garden. 



Dr. F. C. Gates, instructor in botany in the University of the 

 Philippines, has been given leave of absence, and will arrive in 

 the United States in June. He will spend the summer at the 

 biological station of the University of Michigan. 



Dr. George H. Shull of the Carnegie Station for Experimental 

 Evolution, has been appointed professor of botany and genetics 



