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bo ae IsABELLE CaROLINE. A.B. 
Gene 
H{FauLwerreR, Roy CurisTopHer. A.B., Assistant in botany, 
ia Univ. 
Cytology of various species and hybrids of Carex 
{Fromme, Frep Denton. Ph.D., Plant pathologist and bac- 
tericlogis Agr. Exp. idee, Blacksburg, Virginia. 
Taxonomy of the Uredine 
GrarfF, PauL Weer s: B.S. 
Pathology. Mycology. 
Frreporina Catuarina. A.M. 
U ? 
Pathology 
Nixon, ee Letanp. M.S. 
Genetics. 
*Srewart, Exveanor Grace. B.S., Science teacher, Miss 
Chapin’s ae a Girls, Tee York Cit ty. 
Raa of the ¢ 
RaLpPH  Robniind: A.B., Assistant in botany, 
els 
“Cola bia Univ. 
een of the Aig ald of western Tibet. 
*STOWELL, WILLARD ALL .S., Instructor in science, High 
School, Elizabeth, New oo sey. 
The oak hybrids oe Cliffwood, New Jerse 
TaisTRA, SOPH AL, ubstitut teacher in biology, 
High School of ower New Yo ity. 
Genetics. Cytology. 
* 
Cytology. Genetics. 
Numerous investigators not mentioned in the above list 
have been at the Garden for various periods of time 
prosecuting special lines of research. 
Respectfully submitted, 
A. B. Strout, 
Director of the Laboratories. 
REPORT OF THE BIBLIOGRAPHER 
Dr. N. L. Britton, Director-1x-Cuier. 
Sir; I have the honor to submit the following report for 
the year I9QI5. 
Assistance of persons consulting the library, bibliographic 
* Registered at Columbia University. 
t Research scholarship. 
