98 
lyn Botanic Garden, has been good enough, during the year, to take 
over the duties of ern Society librarian, formerly carried by the 
resident investigator. 
TERN \WorK 
During 1936, the collections of Nephrole pis have been maintained 
and some use of these has been made by students in other insti- 
tutions. Materials have been provided for research work of one 
student in Brooklyn College and for two at Columbia University. 
: 
Rosenberg, 
— 
rough Dr, Reed space was made available to Miss Theresa 
of the Biology Department of Brooklyn College, for 
young plants of Nephrolepis 
the growing of a large number o 
hirsutula. Miss Rosenberg is now using these plants in experi- 
ments on the photo-periodicity of spore production, under the 
direction of Professor Trelease at Columbia University. 
Spores of Nephrolepis and of other fern species have been pro- 
vided for Mr. Harry Albaum, also of the Brooklyn College 
Biology Department staff, who is working on a doctorate problem 
in the regeneration of fern prothallia under the direction of Pro- 
fessor Barth, at Columbia, 
Studies of fern hybridity among native species have been con- 
tinued through field trips and through the cultivation of plants, 
partly in the Local Flora Section. Some of this material has been 
intensively studied under the microscope by an undergraduate 
student of Brooklyn College, Mr. Sidney Greenfield. 
PLANT CONSERVATION 
Interest in plant conservation has continued, as is indicated by 
requests for information, for printed matter, and for rare plants 
nor naturalization. Of five conservation Leaflets written in the 
past by the resident investigator, three are still available, but the 
two longer ones and the ones more often asked for, Game Laws 
for ferns and wild flowers and The conservation of beauty, have 
long been out of print. 
Respectfully submitted, 
Ratpu C. BENEDICT, 
Resident Investigator (Ferns). 
