Correspondence, notes, and other papers regarding taxonomic studies of Pacific Northwest plants, the teaching of botany and the administration of herbariums at Washington State University and the University of Hawaii. Significant correspondents include: R.K. Beattie, F.V. Coville, Alice Eastwood, Aven Nelson, C.V. Piper, B.L. Robinson, C.P. Smith, and W.N. Suksdorf.
Correspondence, enclosures, bills and receipts, drafts, and copies of writings, herbarium catalogs, field notes, maps, diaries, published works and other papers, part in German, of a Pacific Northwest botanical collector. Although primarily concerned with his collection of plants and the subsequent classification and distribution of specimens, some personal and family papers are included. Correspondents include: R. Kent Beattie, Alice Eastwood, Asa Gray, Louis Henderson, Thomas Howell, Charles Piper, and Harold St. John.