TABLE OF CONTENTS. 



No. 6. May 27, iqoi. 



PAGE. 



Report of the Secretary and Director-in-Chief for 1900 1 



Report of the Curator of the Museums 25 



Report of the Curator of the Economic Collections 35 



Report of the Director of the Laboratories 38 



Report of the Librarian 42 



Report of the Curator of the Plantations 51 



Report of the Head Gardener 57 



Schedule of Expenditures during 1900 60 



Report of the Scientific Directors 64 



Report of the Committee on Patrons, Fellows and Members... 66 



Report of the Treasurer 79 



Botanical Contributions : 



Propagation of Lysimachia terrestris, by D. T. MacDou- 



gal (with Plate 13 and 7 figures) 82 



The Mimosaceae of the Southeastern United States, by 



JohnK. Small 89 



Contributions to the Botany of the Yukon Territory : 



1. An Enumeration of the Hepaticae collected by 

 R. S. Williams, 1898-1899, by Marshall A. Howe 

 (with Plate 14) 101 



2. An Enumeration of the Mosses collected, by R. S. 

 Williams (with Plates 15-24) 105 



3. An Enumeration of the Pteridophytes collected by 

 R. S. Williams and J. B. Tarleton, by L. M. Under- 

 wood 1 4$ 



4. An Enumeration of the Flowering Plants collected 

 by R. S. Williams and by J. B. Tarleton, by N. L. . 

 Britton and P. A. Rydberg 149 



The Oaks of the Continental Divide North of Mexico, by 



P. A, Rydberg (with Plates 25-33) 187 



No. 7. April 25, 1Q02. 



Report of the Secretary and Director-in-Chief for the Year 



1901 235 



Report of the Curator of the Museums and Herbarium 268 



Report of the Curator of the Economic Collections 278 



(vii) 



