(297) 



Volume 3, part i, containing descriptions of the Families 

 Nectriaceae and Hypocreaceae by F. J. Seaver, the Chae- 

 tomiaceae by Helen L. Palliser, and the Fimetariaceae by 

 David Griffiths and F. J. Seaver, was issued December 29, 

 1910. 



Lectures 

 Public Lectures 



Illustrated public lectures on botanical subjects have been 

 given in the museum building on Saturday afternoons from 

 April to November, as follows: 



April 30. "Spring Flowers," by Dr. N. L. Britton. 



May 7. "Collecting in Southern Mexico," by Dr. W. A. 

 Murrill. 



May 14. "The Origin and Formation of Coal," by 

 Dr. Arthur Hollick. 



May 21. "Water Lilies," by Mr. George V. Nash. 



May 28. "An Expedition to the Panama Canal Zone," 

 by Dr. M. A. Howe. 



June 4. "Summer Flowers," by Dr. N. L. Britton. 



June 11. "The Rose and Its History," by Mr. George 

 V. Nash. 



June 18. "The Native Trees of the Hudson Valley," 

 by Mr. Norman Taylor. 



June 25. "The Extinct Flora of New York City and 

 Vicinity," by Dr. Arthur Hollick. 



July 2. "The Fungous Diseases of Shade-Trees," by 

 Dr. W. A. Murrill. 



July 9. "Botanical Features of the West Indian Islands," 

 by Dr. N. L. Britton. 



July 16. "Interesting Relations between Plants and 

 Animals," by Mr. F. J. Seaver. 



July 23. "The Forms of Flowers and their Meaning," 

 by Dr. C. C. Curtis. 



July 30. "By Canoe down the Yukon River, Alaska," 

 by Dr. Arthur Hollick. 



Aug. 6. "Edible Mushrooms," by Dr. W. A. Murrill. 



