Key to the genus Lactarius, 1906-1937

There are 26 files and 2 boxes of index cards pertaining to studies of Lactarius, Russula, Amanita, and Lepiota. Materials include species descriptions, dichotomous keys, bibliographies, laboratory records, and annotated notes with pencil sketches, attached spore prints, and literature citations. There is an index to Russula species in the Burlingham collection of the NYBG herbarium and 3 files of notes on the effects of magnesium sulfate on the growth of seedlings published in the Journal of the American Chemical Society. Four boxes of collection notes entitled Mycological Notes, volumes 331-334 (1906-1950) have been separated from the collection and are located with the Collectors’ Field Notebooks.