JOURNAL 

 The New York Botanical Garden 



Vol- VII. April. 1906. NoT^b. 



THE SPRING LECTURES. 



The lectures of the spring course will be delivered in the lec- 

 ture hall of the museum building on Saturday afternoons at 4:30, 

 beginning April 21 and closing June 23, as shown in the follow- 

 ing schedule. They will be illustrated by lantern slides and 

 otherwise. 



April 21. "On the Correlation of Characters in Plants," by 

 Professor Hugo de Vries. 



April 28. " A Day at Hammarby, the Home of Linnaeus," 

 by Dr. W. A. Murrill. 



May 5. " A Historical Review of the Study of Fossil Plants," 

 by Dr. Arthur Hollick. 



May 12. "A Glimpse at the Development of Botany in 

 America," by Professor L. M. Underwood. 



May 19. "The Effects of Radium on Plants," by Dr. C. 

 Stuart Gager. 



May 26. "Some Botanical Features of Porto Rico," by Dr. 

 Marshall A. Howe. 



June 2. " Orchids ; Their Botanical Features and Relation to 

 Horticulture," by Mr. G. V. Nash. 



June 9. "The Wild Vegetable Foods of the United States," 

 by Dr. H. H. Rusby. 



June 16. "The Origin and Adaptations of Desert Floras," by 

 Dr. D. T. MacDougal. 



June 23. "The Botanical Exploration of the West Indies," by 

 Dr. N. L. Britton. 



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