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58 
Independent Investigation 
In cooperation with the Office of Investigations in Forest Pathol- 
ogy, Bureau of Plant Industry, U. S. Dept. of Agriculture, I have 
continued the work begun in 1918 on varieties of the American 
chestnut which show partial resistance to the well-known destruc- 
tive bark blight. This region is particularly favorable for the 
work, for it was in this neighborhood, in 1918, that I first located 
resistant strains of the chestnut. 
Work begun several years ago on a little-known destructive 
blight of the butternut, the causal organism of which I have deter- 
mined to be Melanconis carthusiana, has also occupied a portion 
of my time. Through the generosity of Mr. Willard G. Bixby, 
the well-known nut culturist of Baldwin, Long Island, about fifty 
young trees of Black Walnut, English Walnut, Japanese Walnut, 
and native Butternut have been obtained for experimental purposes, 
particularly with the object of ascertaining whether these other 
species are also susceptible to this disease. 
Respectfully submitted, 
ArtTHUR HARMOUNT GRAVES, 
Curator of Public Instruction. 
REPORT OF THE CURATOR OF ELEMENTARY IN- 
2LRUCTION FOR 1921 
Dr. C. Stuart GAGER, DIREcTOR. 
Sir: I herewith submit the following report from the Depart- 
ment of Elementary Instruction for the year ending December 31, 
TO2T: 
The outstanding work of this department for the past year has 
been one of reorganization of special pieces of work for highest 
efficiency. For example, in the case of the children’s outdoor 
garden, we have endeavored to show what we believe is the greatest 
possible amount of crop to raise on about three quarters of an acre 
of city land when the allotted garden space per individual is con- * 
stantly worked. During the eight years we have had a garden it 
has been impossible to show any such crop value as the one for 
this current year, a report of which follows. The tables give total 
