Content Description

The Charles Drechsler Papers consist of the figures or illustrations for two articles that were published in the Journal of Botany in 1954 and 1956, titled "Two Species of Conidiobolus with Minutely Ridged Zygospores" and "Two New Species of Conidiobolus." There are also notes and pencil drawings for an unpublished article on Helminthosporium spp., a few letters, and specimens of cereal crops with plant diseases.

Content Description The USDA Division of Cereal Crops and Diseases Photograph Collection contains glass and acetate negatives, as well as black and white prints. Subjects include aspects of cereal crop classification, production, utilization, farm machinery, diseases, and pests in the United States and foreign countries. Crops pictured include corn, barley, oats, sorghum, sorgo, milo, millet, wheat, flax, rice, rye, and kafir. A number of the negatives were used in the Journal of Agricultural Research, U.S....