122 THE PLANT WORLD. 



Courses: Cryptogauiic Botany, Dr. Johnson and 'Sir. York; 

 Ecology, Dr. Transeau ; Adz'anced U\?rk in Cryl^fogainic Botany 

 or Ecology, by arrangement ; Inz'csfigation. 



For further information address Professor Frankhn W. Hooper, 

 502 Fulton Street, Brooklyn, or Professor Charles B. Davenport, 

 Cold Spring Harbor, Long Island, X. Y. 



Minnesota Seaside Station. Port Renfrew, British 

 Columbia. July 8 to August 18. 



Staff: Professors MacMillan, Tilden. Butters and Rosendahl. 



Courses: General Algology; for teachers. Algology; for ad- 

 vanced students. Morphology and Ecology of Kelps. Nature 

 Study, Taxonomy of the Conlferae. Taxonomy of the Angio- 

 spermae. 



For further information address Professor Conway Mac^lillan, 

 Universitv of Minnesota, Alinneapolis, Alinn. 



Cornell University, Fihaca, N. Y. July 5 to August 15. 



Staff: Assistant Professor W. W. Rowlee, Dr. E. J. Durand, 

 Dr. K. M. Wiegand. 



Courses: Elementary Plaiit Physiology and Morphology, Dr. 

 Durand ; Special Morphology of the Higher Plants, x\ssistant Pro- 

 fessor Rowlee; Organography and Identification of the Higher 

 Plants, Dr. Wiegand ; Taxonomy and Embryology of the Bryo- 

 phytes and Perns, Dr. Durand ; Trees and Shrubs, Biological and 

 Taxonomic Study of Trees, Assistant Professor Rowlee. Ecology 

 of Plants, Dr. Wiegand. 



Harvard University, Cambridge, ]\Iass. July 5 to August 15. 



Staff: Dr. Robert Greenleaf Leavitt, Dr. Minton Asbury 

 Chrysler, John Galentine Hall, A.^I. 



Courses : Introductory Course: Structure, Physiology and Ecol- 

 ogy of Flozceriiig Plants, Dr. Leavitt and Mr. Hall ; Morphology, 

 Histology and Ecology of Elowering Phuits, Dr. Chrysler. 



For further information address Dr. M. A. Chrysler, 61 Oxford 

 Street, Cambridge, Mass. 



