Showing 1654 digitized photos.
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Zea Mays. Showing varieties of corn differing in size, shape & type of grain.
05/xx/1918
Negative 02735
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Pisum sativum. Cross F. Seq. from (P132 x P1) & parent P132.
05/16/1918
Negative 02754
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Pisum sativum. Stumpy or blunt & acute ended pod types.
02/05/1916
Negative 02793
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Instruments used in plant crossing work.
xx/xx/1914
Negative 02802
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Zea Mays. (F3- 1Y -116) showing range in ear length X breeding true of grain char.
06/26/1918
Negative 02807
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Zea Mays. Z14- Selfed Prog. Showing variation in ear length, character of kernel, etc.
06/25/1918
Negative 02809
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Zea Mays. F2 - 29 B W x Y
06/26/1918
Negative 02815
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Pisum sativum. Typical pods of 25 varieties. Differences due to mutation.
07/09/1914
Negative 02838
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Pisum sativum. Effect of environment. Pods all from 1 plant of - 12.
07/09/1914
Negative 02839
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Pisum sativum. Parents and F2 progeny, 1 pod each type. A graduated series.
07/09/1914
Negative 02840
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Pisum sat. umbellatum (P1-). Fasciated.
07/05/1918
Negative 02844
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Rust on Thalietrum polygomum, Perennial
06/21/1918
Negative 02850
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Woodwork class. Summer school, 1918
07/16/1918
Negative 02855
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Wood-work class. Summer school, 1918
07/16/1918
Negative 02856
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Border, flower. Children's Garden, 1918
07/26/1918
Negative 02859
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Exhibit of P.S. 98 and trophy won by same- 1918.
09/14/1918
Negative 02863
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War Gardens of older boys and girls. Plots 10 x 20 ft.
09/04/1918
Negative 02864
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War Garden. 1918 P.S. 162 display of
09/14/1918
Negative 02866
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War Garden. 1918 Plot 10 x 20 ft.
09/04/1918
Negative 02868
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Vegetables. Crops of, ready for home. Boys and girls work. Children with loads at rose arch.
07/16/1918
Negative 02869
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Gall on Picea pungens produced by conifer bark louse (Gilletea cooleyi Gill)
07/17/1918
Negative 02875
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Galls on Picea pungens produced by conifer bark louse (Gilletea cooleyi Gill)
07/17/1918
Negative 02876
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Vegetables, Crop of. Class at S. side of Children's House.
09/28/1918
Negative 02877
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Radish. Bunch of
07/05/1918
Negative 02880
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Economic House. Interior of, when first planted
06/15/1914
Negative 02886