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Dunn, A.M., of Columbia University, assistant in ecology; A. 

 F. Blakeslee, A.M., of Harvard University, assistant in botany. 

 Copies of the announcement may be obtained by addressing Pro- 

 fessor Franklin W. Hooper, 502 Fulton St., Brooklyn, or the 

 Director of the Laboratory, Dr. Charles B. Davenport, University 

 of Chicago, Chicago, 111. 



The program of the spring lectures offered to the public by 

 the New York Botanical Garden on Saturday afternoons is for 

 this year as follows : 



April 19th, "The Maples and other early-flowering Trees"; 

 by Cornelius Van Brunt; April 26th, "Plant Life in the Sea," 

 by Dr. Marshall A. Howe; May 3d, "Botanical Features of 

 Porto Rico," by Prof. L. M. Underwood; May 10th, "Some 

 Examples of Botany in its Relation to Geology," by Dr. Arthur 

 Hollick ; May 17th, " Wild Flowers, the Necessity for their Pres- 

 ervation," by Mr. Cornelius Van Brunt; May 24th, "The Cot- 

 tons," by Dr. H. H. Rusby ; May 31st, "Cactuses and Cactus- 

 like Plants," by Dr. N. L. Britton ; June 7th, " Favorite Flowers 

 of Nations and Poets," by Professor E. S. Burgess ; June 14th, 

 " The Vegetation of American Deserts," by Dr. D. T. MacDougal. 



The lectures will be illustrated by lantern-slides and otherwise, 

 and will be delivered in the lecture hall of the Museum Building 

 of the Garden, Bronx Park, at 4.30 o'clock. They will close in 

 time for auditors to take the 5.42 train from the Bronx Park rail- 

 way station, arriving at the Grand Central Station at 6.10. 



The prizes from the income of the Olivia and Caroline Phelps 

 Stokes Fund offered last January by the New York Botanical 

 Garden for the best essays on the preservation of native plants 

 have been awarded. The first prize, fifty dollars, was won by 

 Dr. F. H. Knowlton, Washington, D. C; the second, thirty dol- 

 lars, by Miss Cora H. Clarke, Boston ; the third, twenty dollars, 

 by Dr. A. J. Grout, Brooklyn. The prize essays are being pub- 

 lished in the current numbers of the Journal of the New York 

 Botanical Garden. 



