There is a glossary and detailed index. Describes 224 species of weeds and gives geographical distribution. Line drawings are included. There is a glossary of technical terms and an index. Describes 200 species in 50 states and Puerto Rico.
Arrangement is alphabetical by genus, with indexes by common name and by author.
Lists of publications available for sale from the Government Printing Office. But these bibliographies can be a good starting place for research. Booklets of information for laypeople and consumers on raising specific plants, pest control, food and nutrition, etc. Some numbers are in microfiche. Monographs report on research and collections of the Smithsonian museums in the area of botany.