(217) 
Later in the year active exchanging was maintained and a 
total of over 15,000 specimens was sent to other institutions 
and individuals. 
5. Uses or THE HERBARIUM. Members of the Garden 
Staff have drawn on this source of information in developing 
their departments, as an adjunct in teaching in connection 
with the courses of instruction, for research work and special 
investigation. The registered students of the Garden and 
Columbia University have had access to these collections as 
their studies and investigations required. 
ficers and students from other institutions have from 
time to time consulted these collections as investigations 
which they were prosecuting demanded, and other responsi- 
ble individuals have been permitted to draw upon this source 
of information by special permission. 
Assistance. 
As heretofore the detail work connected with the mainten- 
ance and development of this department has been divided 
between several members of the staff, volunteers and aids. 
Dr. Rydberg has shared the curatorial work connected with 
the flowering plants. ‘The work in connection with the cryp- 
togams has been shared by several, Professor Underwood 
caring for the ferns and fern-allies, Mrs. Britton for the 
mosses and moss-allies, Mr. Earle for the fungi and allied 
groups and Dr. Howe for the algae. The fossil plant collec- 
tions have been under the care of Dr. Hollick. 
Respectfully submitted, 
. K. Smauu, 
Curator of the Museums and Herbarium. 
DECEMBER 31, 1903. 
