162 
(1912-1916) ; Chairman, Dept. Biology, Bushwick High School, 
N.Y. City (1916-1919) ; First Assistant, Department of Biology, 
Stuyvesant High School (1919— ); Instructor in botany, N. 
Y. University (Summer, 1910). 
PUBLICATIONS (FoR PROJECTS 3-6, 1916-1927) 
Some horticultural fern variations. Am. Fern Jour. 6: 8-15, pl. 
I—3. March, 1916. 
The origin of new varieties of Nephrolepis by orthogenetic salta- 
tion: I. Progressive variations. Bull. Torrey Club 43: 
207-234, pl. 10-15. June, 1916. 
An Adirondack fern-list. Am. Fern Jour. 6: 81-85. Septem- 
ber, 1916. 
The Nephrolepis collection at the Brooklyn Botanic Garden. 
Brooklyn Bot. Gard. Record 5: 143-148. October, 1916. 
(Also published in several horticultural weeklies, Horticul- 
ture, Florists’ Exchange, and in modified form in Bailey's 
Standard Cyclopedia of Horticulture, Vol. IV. 
Nephrolepis nutrition. Amer. Fern Jour. 11: 41-43. October, 
1920. 
Is Botrychium dissectum a sterile mutant? Amer. Fern Jour. 
Ir: 53-55. October, 1920. 
Recent fern literature. Amer. Fern Jour. 11: 27-29. March, 
1921. 
Tropical ferns. Pp. 1-8. September. (Specially printed in 
connection with the Fern Exhibition of the Massachusetts 
Horticultural Society, September 22-25.) 
The Nephrolepis chart. Gard. Chron. of America 26: 2. Feb- 
urary, 1922. Printed also under various titles as follows: 
The genealogy of Nephrolepis. The Garden 86: 96. February 
25,1022. 
Brooklyn Botanic Garden fern chart. Flower Grower 10: 53. 
March, 1922. 
Family tree of Boston fern. Horticulture 35: 197. April 25, 
1922. 
The Boston fern and its sports, by G. Thommen | Review]. 
Florists’ Exchange 53: 1071. April 20, 1922. 
