40 ANNALS NEW YORK ACADEMY OF SCIENCES 



Apparently the same plant has also been collected on the Island of 

 Sachalin by F. Schmidt, but his specimens lack flowers. 



After Dr. Rydberg's address, Professor H. H. Rusby gave an exhibition 

 of selected lantern slides of flowers of North American plants known to 

 Linnaeus, and then Dr. W. A. Murrill led the party southward from the 

 Museum building, through the Garden, to the Linnseus Bridge, pointing out 

 on the way the following characteristic American trees known to Linnseus. 

 Tulip-tree White ash White elm 



Sweet-gum Sugarberry Red oak 



Red maple Flowering dogwood White oak 



Red cedar Sassafras Hemlock 



Sweet birch Buttonwood Chestnut-oak 



White pine Butternut American linden 



At the Linnseus Bridge over the Bronx River, on Pelham Parkway, 

 Professor N. L. Britton, President of the New York Academy of Sciences, 

 unveiled the bronze tablet commemorative of Linnseus which had been 

 placed there by the Academy with the consent of the Department of Parks 

 of the city of New York, and made the following address. 



ADDRESS BY THE PRESIDENT OF THE ACADEMY. 



N. L. Britton, Ph. D. 



Director-in-chief, New York Botanical Garden. 



The recognition of the work of famous men is one of the happiest duties 

 of mankind. It stimulates our endeavors and encourages us to make efforts 

 which we would probably not make without their examples before us. 



To-day we do homage to a distinguished man of science, and the una- 

 nimity with which the scientific societies and institutions of the city of 

 New York join in this tribute is in itself evidence of the value which is 

 placed upon his contributions to natural history. 



Science has made great progress during the two centuries which have 

 elapsed since the birth of Linmeus. Theories have in large part given 

 place to ascertained facts, or have been replaced by other theories based 

 on more accurate knowledge of natural objects and of natural phenomena. 

 The contributions of science to the welfare, comfort and happiness of 

 mankind, have made present human life widely different from that of two 



