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Watts, May Theilgaard
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collection
Collection of May Theilgaard Watts materials
Subject/Keyword
Crataegus L. (hawthorn)
Drawings -- United States -- 20th century
Fungi--Spores
Fungi--Spores--Morphology
Galls (Botany)--Anatomy
Juniperus virginiana L. (eastern red-cedar)
Leaves--Diseases and pests--Biological control
Pen works -- United States -- 20th century
Trees--Diseases and pests
Trees--Diseases and pests--Law and legislation
Twigs
Wood-decaying fungi
and 5 more
Objects
(6 results)
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Subject/Keyword:
Trees--Diseases and pests
year:
1943
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Drawing
Cedar Apple Rust: On Red Cedar and Hawthorn
1940s
Watts, May Theilgaard
Drawing
Cedar Apple Rust: Destroy, Inspect, and Spray
1940s
Watts, May Theilgaard
Drawing
Cedar Apple Rust: First Year and Second Winter
1940s
Watts, May Theilgaard
Drawing
Cedar Apple Rust: Spring
1940s
Watts, May Theilgaard
Drawing
Cedar Apple Rust: Late Summer To Fall
1940s
Watts, May Theilgaard
Drawing
Cedar Apple Rust: Early Summer
1940s
Watts, May Theilgaard
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